Process for preparing basestocks having high VI using oxygenated dewaxing catalyst
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C10G-065/02
C10G-065/00
C10G-073/38
C10G-073/00
출원번호
US-0678680
(2003-10-03)
발명자
/ 주소
Cody,Ian A.
Murphy,William J.
Hantzer,Sylvain
Larkin,David W.
Gallagher, Jr.,John E.
Kim,Jeenok T.
출원인 / 주소
ExxonMobil Research and Engineering Company
인용정보
피인용 횟수 :
6인용 특허 :
81
초록▼
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hyd
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hydrofinished.
대표청구항▼
The invention claimed is: 1. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrot
The invention claimed is: 1. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) contacting a dewaxing catalyst containing an alumina or alumina-containing binder with a stream containing from about 100 wppm to 10,000 wppm, measured as oxygen, of at least one oxygenate at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 791 to 20786 kPa to produce a selectivated dewaxing catalyst; and (d) contacting the selectivated dewaxing catalyst from step (c) with the liquid product from step (b) and dewaxing the liquid product under catalytically effective dewaxing conditions. 2. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) adding at least one oxygenate to the liquid product from step (b) to provide a second liquid product containing from about 100 wppm oxygen to 10,000 wppm, (d) contacting the second liquid product from step (c) with a dewaxing catalyst containing an alumina or alumina-containing binder at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 791 to 20786 kPa for a time effective to selectivate the dewaxing catalyst; and (e) contacting the selectivated dewaxing catalyst from step (d) with at least one of the second liquid product from step (c) or the liquid product from step (b) under catalytically effective dewaxing conditions. 3. The process of claims 1 or 2 wherein the hydrotreating catalyst contains at least one Group 6, Group 9 or Group 10 metal. 4. The process of claims 1 or 2 wherein the hydrotreating conditions include a temperature of from 150-400째 C., a pressure of from 1480-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 89-1780 m3/m3. 5. The process of claims 1 or 2 wherein the dewaxing catalyst contains at least one molecular sieve containing least one 10 or 12 ring channel. 6. The process of claim 5 wherein the molecular sieve is at least one of ZSM-5, ZSM-11, ZSM-22, ZSM-23, ZSM-35, ZSM-48, ZSM-57, ferrierite, EU-1, NU-87, SAPO-11, SAPO-41, ITO-13, MCM-71, zeolite beta, ZSM-12, MCM-68, SAPO-5, SAPO-31, MAPO-36, ZSM-18, offretite, mordenite or faujasite. 7. The process of claim 6 wherein the molecular sieve is ZSM-48. 8. The process of claims 1 or 2 wherein the oxygenate is at least one alcohol, carboxylic acid, ester, aldehyde, ketone or ether. 9. The process of claim 1 wherein the oxygenate is water. 10. The process of claims 1 or 2 wherein the dewaxing catalyst contains a metal hydrogenation component. 11. The process of claims 1 or 2 wherein the dewaxing catalyst is sulfided, reduced, or sulfided and reduced. 12. The process of claims 1 or 2 wherein dewaxing conditions include a temperature of from 250-400째 C., a pressure of from 791-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 45-1780 m3/m3. 13. The process of claims 1 or 2 further comprising a hydrofinishing step. 14. The process of claim 2 wherein the time effective to selectivate the dewaxing catalyst is at least about 1 hour. 15. The process of claim 10 wherein the metal hydrogenation component is at least one of Pt or Pd. 16. The process of claim 1 wherein the stream is at least one of lubricating oil feedstock or lubricating oil basestock. 17. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, wit a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) contacting a dewaxing catalyst containing an alumina or alumina-containing binder which contains at least one molecular sieve containing at least one 10 or 12 ring channel with a stream containing from about 100 wppm to 10,000 wppm, measured as oxygen, of at least one alcohol, carboxylic acid, ester, aldehyde, ketone or ether at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 101 to 20786 kPa to produce a selectivated dewaxing catalyst; and (d) contacting the selectivated dewaxing catalyst from step (c) with the liquid product from step (b) and dewaxing the liquid product under catalytically effective dewaxing conditions. 18. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) adding at least one alcohol, carboxylic acid, ester, aldehyde, ketone or ether to the liquid product from step (b) to provide a second liquid product containing from about 100 wppm oxygen to 10,000 wppm; (d) contacting the second liquid product from step (c) with a dewaxing catalyst containing an alumina or alumina-containing binder which contains at least one molecular sieve containing at least one 10 or 12 ring channel at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 791 to 20786 kPa for a time effective to selectivate the dewaxing catalyst; and (e) contacting the selectivated dewaxing catalyst from step (c) with at least one of the second liquid product from step (c) or the liquid product from step (b) under catalytically effective dewaxing conditions. 19. The process of claims 17 or 18 wherein the hydrotreating catalyst contains at least one Group 6, Group 9 or Group 10 metal. 20. The process of claims 17 or 18 wherein the hydrotreating conditions include a temperature of from 150-400째 C., a pressure of from 1480-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 89-1780 m3/m3. 21. The process of claim 17 or 18 wherein the dewaxing catalyst is at least one of ZSM-5, ZSM-11, ZSM-22, ZSM-23, ZSM-35, ZSM-48, ZSM-57, ferrierite, EU-1, NU-87, SAPO-11, SAPO-41, ITQ-13, MCM-71, zeolite beta, ZSM-12, MCM-68, SAPO-5, SAPO-31, MAPO-36, ZSM-18, offretite, mordenite or faujasite. 22. The process of claim 21 wherein the molecular sieve is ZSM-48. 23. The process of claim 17 or 18 wherein the dewaxing catalyst contains a metal hydrogenation component. 24. The process of claims 17 or 18 wherein the dewaxing catalyst is sulfided, reduced, or sulfided and reduced. 25. The process of claims 17 or 18 wherein dewaxing conditions include a temperature of from 250-400째 C., a pressure of from 791-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 45-1780 m3/m3. 26. The process of claims 17 or 18 further comprising a hydrofinishing step. 27. The process of claim 18 wherein the time effective to selectivate the dewaxing catalyst is at least about 1 hour. 28. The process of claim 17 wherein the stream is at least one of lubricating oil feedstock or lubricating oil basestock. 29. The process of claim 23 wherein the metal hydrogenation is at least one of Pt or Pd. 30. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, wit a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) contacting a dewaxing catalyst containing an alumina or alumina-containing binder which contains at least one molecular sieve containing at least one 10 or 12 ring channel with a stream containing from about 100 wppm to 10,000 wppm, measured as oxygen, of at least one alcohol, carboxylic acid, ester, aldehyde, ketone or ether at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 101 to 20786 a to produce a selectivated dewaxing catalyst; (d) contacting the selectivated dewaxing catalyst from step (c) with the liquid product from step (b) and dewaxing the liquid product under catalytically effective dewaxing conditions; and (e) hydrofinishing the dewaxed product from step (d) with a hydrofinishing catalyst under effective hydrofinishing conditions. 31. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) adding at least One alcohol, carboxylic acid, ester, aldehyde, ketone or ether to the liquid product from step (b) to provide a second liquid product containing from about 100 wppm oxygen to 10,000 wppm; (d) contacting the second liquid product from step (c) with a dewaxing catalyst containing an alumina or alumina-containing binder which contains at least one molecular sieve containing at least one 10 or 12 ring channel at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 791 to 20786 kPa for a time effective to selectivate the dewaxing catalyst; (e) contacting the selectivated dewaxing catalyst from step (d) with at least one of the second liquid product from step (c) or the liquid product from step (b) under catalytically effective dewaxing conditions; and (f) hydrofinishing the dewaxed product from step (e) with a hydrofinishing catalyst under effective hydrofinishing conditions. 32. The process of claims 30 or 31 wherein the hydrotreating catalyst contains at least one Group 6, Group 9 or Group 10 metal. 33. The process of claims 30 or 31 wherein the hydrotreating conditions include a temperature of from 150-400째 C., a pressure of from 1480-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 89-1780 m3/m3. 34. The process of claims 30 or 31 wherein the molecular sieve is at least one of ZSM-5, ZSM-11, ZSM-22, ZSM-23, ZSM-35, ZSM-48, ZSM-57, ferrierite, EU-1, NU-87, SAPO-11, SAPO-41, ITQ-13, MCM-71, zeolite beta, ZSM-12, MCM-68, SAPO-5, SAPO-31, MAPO-36, ZSM-18, offretite, mordenite or faujasite. 35. The process of claim 34 wherein the molecular sieve is ZSM-48. 36. The process of claims 30 or 31 wherein the dewaxing catalyst contains a metal hydrogenation component. 37. The process of claims 30 or 31 wherein the dewaxing catalyst is sulfided, reduced, or sulfided and reduced. 38. The process of claim 30 or 31 wherein dewaxing conditions include a temperature of from 250-400째 C., a pressure of from 791-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 45-1780 m3/m3. 39. The process of claims 30 or 31 wherein the hydrofinishing catalyst is at least one of M41S family of catalysts. 40. The process of claims 30 or 31 wherein hydrofinishing conditions include a temperature of from 150-350째 C., a pressure of from 2889-20786 kPa, a liquid hourly space velocity from 0.1-5 hr-1 and a hydrogen treat rate of 45-1780 m3/m3. 41. The process of claim 31 wherein the time effective to selectivate the dewaxing catalyst is at least about 1 hour. 42. The process of claim 30 wherein the stream is at least one of lubricating oil feedstock or lubricating oil basestock. 43. The process of claim 36 wherein the metal hydrogenation component is at least one of Pt or Pd. 44. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) contacting a dewaxing catalyst containing an alumina or alumina-containing binder which contains ZSM-48 and a metal hydrogenation component which contains at least one of Pt or Pd with a stream containing from about 100 wppm to 10,000 wppm, measured as oxygen, of at least one alcohol, carboxylic acid, ester, aldehyde, ketone or ether at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 101 to 20786 kPa to produce a selectivated dewaxing catalyst; (d) contacting the selectivated dewaxing catalyst from step (c) with the liquid product from step (b) and dewaxing the liquid product under catalytically effective dewaxing conditions; and (e) hydrofinishing the dewaxed product from step (d) with a mesoporous hydrofinishing catalyst from the M41 S family under effective hydrofinishing conditions. 45. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) adding at least one alcohol, carboxylic acid, ester, aldehyde, ketone or ether to the liquid product from step (b) to provide a second liquid product containing from about 100 wppm oxygen to 10,000 wppm; (d) contacting the second liquid product from step (c) with a dewaxing catalyst containing an alumina or alumina-containing binder which contains ZSM-48 and a metal hydrogenation component which contains at least one of Pt or Pd at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 791 to 20786 kPa for a time effective to selectivate the dewaxing catalyst; (e) contacting the selectivated dewaxing catalyst from step (d) with at least one of the second liquid product from step (c) or the liquid product from step (b) under catalytically effective dewaxing conditions; and (f) hydrofinishing the dewaxed product from step (e) with a hydrofinishing catalyst from the M41S family under effective hydrofluishing conditions. 46. The process of claims 44 or 45 wherein the hydrotreating catalyst contains at least one Group 6, Group 9 or Group 10 metal. 47. The process of claims 44 or 45 wherein the hydrotreating conditions include a temperature of from 150-400째 C., a pressure of from 1480-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 89-1780 m3/m3. 48. The process of claims 44 or 45 wherein the dewaxing catalyst is sulfided, reduced, or sulfided and reduced. 49. The process of claim 44 or 45 wherein dewaxing conditions include a temperature of from 250-400째 C., a pressure of from 791-20786 kPa, a liquid hourly space velocity from 0.1-10 hr-1 and a hydrogen treat rate of 45-1780 m3/m3. 50. The process of claims 44 or 45 wherein hydrofinishing conditions include a temperature of from 150-350째 C., a pressure of from 2889-20786 kPa, a liquid hourly space velocity from 0.1-5 hr-1 and a hydrogen treat rate of 45-1780 m3/m3. 51. The process of claim 45 wherein the time effective to selectivate the dewaxing catalyst is at least about 1 hour. 52. The process of claim 44 wherein the stream is at least one of lubricating oil feedstock or lubricating oil basestock. 53. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises: (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) contacting a dewaxing catalyst containing an alumina or alumina-containing binder which contains at least one molecular sieve containing at least one 10 or 12 ring channel with a stream containing from about 100 wppm to 10,000 wppm, measured as oxygen, of water at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 101 to 20786 kPa to produce a selectivated dewaxing catalyst; and (d) contacting the selectivated dewaxing catalyst from step (c) with the liquid product from step (b) and dewaxing the liquid product under catalytically effective dewaxing conditions. 54. A process for preparing a lubricating oil basestock having a VI of at least about 125 which comprises; (a) hydrotreating a lubricating oil feedstock having a wax content of at least about 50 wt. %, based on feedstock, with a hydrotreating catalyst under effective hydrotreating conditions; (b) stripping the hydrotreated feedstock to separate gaseous from liquid product; (c) adding water to the liquid product from step (b) to provide a second liquid product containing from about 100 wppm oxygen to 10,000 wppm; (d) contacting the second liquid product from step (c) with a dewaxing catalyst containing an alumina or alumina-containing binder which contains at least one molecular sieve containing at least one 10 or 12 ring channel at a temperature of from 120 to 400째 C. and a hydrogen pressure of from 791 to 20786 kPa for a time effective to selectivate the dewaxing catalyst; and (e) contacting the selectivated dewaxing catalyst from step (d) with at least one of the second liquid product from step (c) or the liquid product from step (b) under catalytically effective dewaxing conditions.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (81)
Shihabi David S. (Pennington NJ), Aging resistance shape selective catalyst with enhanced activity.
Borghard William S. (Yardley PA) Chu Cynthia T. (Princeton NJ) Degnan Thomas F. (Moorestown NJ) Shih Stuart S. (Cherry Hill NJ), Aromatics saturation with catalysts comprising crystalline ultra-large pore oxide materials.
Ryan Daniel F. (Baton Rouge LA) Wittenbrink Robert J. (Baton Rouge LA), Carbon dioxide addition in hydrocracking/hydroisomerization processes to control methane production.
Absil Robert P. L. (Mantua NJ) Herbst Joseph A. (Turnersville NJ) Kowalski Jocelyn A. (Clarksboro NJ) Rubin Mae K. (Bala Cynwyd PA), Catalytic cracking process utilizing a zeolite beta catalyst synthesized with a chelating agent.
Chester Arthur W. (Cherry Hill NJ) Garwood William E. (Haddonfield NJ) Vartuli James C. (West Chester PA), Catalytic dewaxing of light and heavy oils in dual parallel reactors.
Cook Bruce R. ; Johnson Jack W. ; Cao Guang ; McEvoy Rich A. ; Ernst Richard H., Catalytic dewaxing with trivalent rare earth metal ion exchanged ferrierite.
Lok Brent M. (New City NY) Messina Celeste A. (Ossining NY) Patton Robert L. (Katonah NY) Gajek Richard T. (New Fairfield CT) Cannan Thomas R. (Valley Cottage NY) Flanigen Edith M. (White Plains NY), Crystalline silicoaluminophosphates.
Stem Stephen C. (Houston TX), Economic combinative solvent and catalytic dewaxing process employing methylisopropyl ketone as the solvent and a silica.
Hensley ; Jr. Albert L. (Munster IN) Miller Jeffrey T. (Naperville IL) Nevitt Thomas D. (Naperville IL) Tait A. Martin (Naperville IL), Hydrocarbon conversion catalyst.
Hensley ; Jr. Albert L. (Munster IN) Miller Jeffrey T. (Naperville IL) Nevitt Thomas D. (Naperville IL) Tait A. Martin (Naperville IL), Hydrocarbon conversion process.
Cody Ian A. ; Boate Douglas R. ; Alward Sandra J. ; Murphy William J. ; Gallagher John E. ; Ravella Alberto ; Demmin Richard A., Hydroconversion process for making lubricating oil basestocks.
Cody Ian A. ; Boate Douglas R. ; Linek Sandra J. ; Murphy William J. ; Gallagher John E. ; Ravella Alberto ; Demmin Richard A., Hydroconversion process for making lubricating oil basestocks.
Degnan Thomas F. (Moorestown NJ) Dougherty Richard C. (Moorestown NJ) Hatzikos George H. (Mantua NJ) Shih Stuart S. (Cherry Hill NJ) Yan Tsoung Y. (Philadelphia PA), Hydrogenation process.
Apelian Minas R. (Vinceton NJ) Degnan ; Jr. Thomas F. (Moorestown NJ) Marler David O. (Deptford NJ) Mazzone Dominick N. (Wenonah NJ), Hydroprocessing catalyst composition.
Chester Arthur W. ; Calabro David C. ; Dhingra Sandeep S. ; Beeckman Jean W. ; Fiebig Timothy J. ; Sweeten Glenn R. ; Helton Terry E. ; Kresge Charles T. ; Socha Richard F. ; Weston Simon C., Isomerization of paraffins.
Clark Janet R. ; Wittenbrink Robert J. ; Ryan Daniel F. ; Schweizer Albert E., Isoparaffinic base stocks by dewaxing fischer-tropsch wax hydroisomerate over Pt/H-mordenite.
Chen Nai Y. (Titusville NJ) Garwood William E. (Haddonfield NJ) Huang Tracy J. (Lawrenceville NJ) Le Quang N. (Cherry Hill NJ) Wong Stephen S. (Medford NJ), Lubricant production process.
Katzer James R. (Moorestown NJ) Le Quang N. (Cherry Hill NJ) Wong Stephen S. (Medford NJ), Lubricant production process employing sequential dewaxing and solvent extraction.
Garwood William E. (Haddonfield NJ) Le Quang N. (Cherry Hill NJ) Wong Stephen S. (Medford NJ), Lubricant production process with product viscosity control.
Cody Ian A. (Clearwater CAX) Bell James D. (Port Moody CAX) West Theodore H. (Sarnia LA CAX) Wachter William A. (Baton Rouge LA) Achia Biddanda U. (Clearwater CAX), Method for isomerizing wax to lube base oils.
Cody Ian A. (Clearwater LA CAX) Hamner ; deceased Glen P. (late of Baton Rouge LA by Nita A. M. Hamner ; executrix) Sawyer Willard H. (Baton Rouge LA) Schorfheide James J. (Baton Rouge LA), Method for producing a wax isomerization catalyst.
Paul J. Berlowitz ; Jacob J. Habeeb ; Robert J. Wittenbrink, Premium synthetic lubricant base stock (Law734) having at least 95% noncyclic isoparaffins.
Bowes Emmerson (Woodstown NJ) Pelrine Bruce P. (Trenton NJ), Preparation of natural ferrierite hydrocracking catalyst and hydrocarbon conversion with catalyst.
Bowes Emmerson (Woodstown NJ) Pelrine Bruce P. (Trenton NJ), Preparation of natural ferrierite hydrocracking catalyst and hydrocarbon conversion with catalyst.
Nevitt Thomas D. (Naperville IL) Tait A. Martin (Naperville IL) Hopkins P. Donald (St. Charles IL), Process for mild hydrocracking of hydrocarbon feeds.
Fragelli Bruno,BRX ; De Souza Guilherme Luis Monteiro,BRX, Process for producing lube base oils of high viscosity index and diesel oil of high cetaned number.
Unmuth Eugene E. (Naperville IL) Mahoney John A. (Glen Ellyn IL) Bertolacini Ralph J. (Naperville IL), Process for the manufacture of lubricating oils.
Schoonhoven Johannes W. F. M. (Leusden NLX) Eijsbouts Sonja (Hertogenbosch NLX) Heinerman Jacobus J. L. (Amsterdam NLX) Eisenhuth Ludwig (Obernburg DEX), Process for the preparation of a presulfided and sulfided catalyst.
Derr ; Jr. W. Rodman (Vincentown NJ) Garwood William E. (Haddonfield NJ) Kuo James C. (Cherry Hill NJ) Leib Tiberiu M. (Voorhees NJ) Nace Donald M. (Woodbury NJ) Tabak Samuel A. (Wenonah NJ), Process for upgrading wax from Fischer-Tropsch synthesis.
Apelian Minas R. (Vincetown NJ) Baker ; Jr. Charles L. (Thornton PA) Degnan Thomas F. (Moorestown NJ) Marler David O. (Deptford NJ) Mazzone Dominick N. (Wenonah NJ) Walsh Dennis E. (Richboro PA), Production of high viscosity index lubricants.
Dougherty Richard C. ; Mazzone Dominick N. ; Socha Richard F. ; Timken Hye Kyung Cho, Production of high viscosity lubricating oil stock with improved ZSM-5 catalyst.
Berlowitz Paul Joseph (East Windsor NJ) Cook Bruce Randall (Pittstown NJ) Wittenbrink Robert J. (Baton Rouge LA), Synthetic diesel fuel and process for its production.
Kresge Charles T. (West Chester PA) Leonowicz Michael E. (Medford Lakes NJ) Roth Wieslaw J. (Sewell NJ) Vartuli James C. (West Chester PA), Synthetic mesoporous crystaline material.
Kresge Charles T. (West Chester PA) Leonowicz Michael E. (Medford Lakes NJ) Roth Wieslaw J. (Sewell NJ) Schmitt Kirk D. (Pennington NJ) Vartuli James C. (West Chester PA), Synthetic mesoporous crystalline material.
Santilli Donald S. (Larkspur CA) Habib Mohammad M. (Benicia CA) Harris Thomas V. (Benicia CA) Zones Stacey I. (San Francisco CA), Use of modified 5-7 a pore molecular sieves for isomerization of hydrocarbons.
Hantzer, Sylvain S.; Joseck, Eric D.; Hilbert, Timothy L.; Ruibal, Evelino A.; Andre, Jean Philippe L.; Palmer, Thomas R.; Carroll, Michael B., All catalytic medicinal white oil production.
Mies, Martijn J. M.; Harte, Mark H.; Steenwinkel, Edgar Evert; van Broekhoven, Emanuel Hermanus, SAPO molecular sieve catalysts and their preparation and uses.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.