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Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositions

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01J-027/25
  • B01J-023/00
  • B01J-023/02
  • B01J-023/10
  • B01J-023/40
  • B01J-023/42
  • B01J-023/44
  • B01J-023/56
  • B01J-023/58
  • B01J-023/70
  • B01J-023/74
  • B01J-021/04
  • B01D-053/94
  • B01J-023/89
  • B01J-035/04
  • B01J-023/20
  • B01J-023/63
  • B01J-027/232
  • B01J-035/00
출원번호 US-0732473 (2015-06-05)
등록번호 US-9475005 (2016-10-25)
발명자 / 주소
  • Hatfield, Randal L.
  • Lee, Edward J.
  • Ngo, Johnny T.
  • Golden, Stephen J.
출원인 / 주소
  • Clean Diesel Technologies, Inc.
대리인 / 주소
    Alston & Bird LLP
인용정보 피인용 횟수 : 0  인용 특허 : 60

초록

Three way catalysts (TWCs) for catalyst systems are disclosed. The disclosed TWC systems include Iron (Fe)-activated Rhodium (Rh) and Barium (Ba)-Palladium (Pd) layers capable of interacting with conventional and/or non-conventional catalyst supports and additives. Variations of TWC system samples a

대표청구항

1. A catalyst system, comprising: a substrate;a washcoat deposited on the substrate;at least one impregnation layer; andan overcoat;wherein the washcoat comprises at least one of the group consisting of about 10 (w/w) to about 75 (w/w) cerium oxide, about 25 (w/w) to about 90 (w/w) zirconium-hafnium

이 특허에 인용된 특허 (60)

  1. Golden, Stephen J.; Iretskaya, Svetlana, Ammonia SCR catalyst and method of using the catalyst.
  2. Ohara Takashi (Nishinomiya JPX) Ono Tetsuji (Amagasaki JPX) Yonehara Kiyoshi (Takatsuki JPX) Yamauchi Shin (Ikeda JPX), Auto exhaust gas catalyst, and process for production thereof.
  3. Hatanaka, Miho; Tanabe, Toshitaka; Nagai, Yasutaka; Yamamoto, Toshio; Dohmae, Kazuhiko; Takagi, Nobuyuki; Miura, Masahide; Ikeda, Yasuo, Catalyst for purification of exhaust gas, regeneration method for the catalyst, and apparatus and method for purification of exhaust gas using the catalyst.
  4. Blanchard Gilbert (Le Plessis-Belleville FRX) Brunelle Jean-Pierre (Saint-Brice sous Foret FRX) Prigent Michel (Rueil Malmaison FRX), Catalyst for treatment of exhaust gases from internal combustion engines.
  5. Chen, Shau-Lin F.; Gramiccioni, Gary A.; Feng, Wiley; An, Eric; Zhao, Scott, Catalyst materials.
  6. Golden, Stephen J.; Hatfield, Randal; Pless, Jason D., Catalyst with lanthanide-doped zirconia and methods of making.
  7. Justice, Rachelle; Malyala, Rajashekharam; Iretskaya, Svetlana; Trandal, Dylan; To, Dien; Pless, Jason; Golden, Stephen; Yoo, Jiho, Catalysts for lean burn engines.
  8. Golden, Stephen J., Catalytic converter comprising perovskite-type metal oxide catalyst.
  9. Bowers Wayne E. (Clearwater FL) Sprague Barry N. (West Haven CT), Diesel fuel additives and diesel fuels containing soluble platinum group metal compounds and use in diesel engines.
  10. Kraus Gregory (Long Beach CA), Emission control system.
  11. Peter-Hoblyn Jeremy D.,GB3 ; Valentine James M. ; Dubin Leonard, Enhanced lubricity diesel fuel emulsions for reduction of nitrogen oxides.
  12. Hoshino, Sho; Hirai, Akimasa; Taki, Kenichi; Narita, Keiichi; Matsueda, Satoshi; Hori, Asuka; Kusaka, Masahiro, Exhaust gas-purifying catalyst.
  13. Czarnik Richard J. ; DiCarlo Jeffrey P. ; Knapper Curtis J. ; Simard Thomas C. ; Tarabulski Theodore J., Fluid-cooled injector.
  14. Eyrainer Heinz,DEX, Gas bag lateral impact protective device.
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  16. Malyala, Rajashekharam; Iretskaya, Svetlana; Golden, Stephen J., High temperature ammonia SCR catalyst and method of using the catalyst.
  17. Summers Jack C. (Tulsa OK), Lanthanum containing catalyst for treating automotive exhaust.
  18. Henk Michael G. (Tulsa OK) Summers ; II Jack C. (Tulsa OK), Layered automotive catalytic composite.
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  20. Hilgendorff, Marcus; Xue, Wen Mei; Tolentino, Cesar, Lean HC conversion of TWC for lean burn gasoline engines.
  21. Haney ; III William M. (Westport CT) Sullivan James C. (Southport CT), Method and apparatus for improving combustion, thermal efficiency and reducing emissions by treating fuel.
  22. Miller John W. (580 Eyer drive ; Unit 24 Pickering ; Ont. CAX L1W 3B7), Method and apparatus for treating diesel exhaust gas to remove fine particulate matter.
  23. Epperly W. Robert (New Canaan CT) Sprague Barry N. (Bethlehem CT), Method for catalyzing fuel for powering internal combustion engines.
  24. Nazarpoor, Zahra; Golden, Stephen J., Method for improving lean performance of PGM catalyst systems: synergized PGM.
  25. Kuno, Oji, Method for preparing metal oxide particles and an exhaust gas purifying catalyst.
  26. Peter-Hoblyn Jeremy D.,GBX ; Valentine James M., Method for reducing emissions from a diesel engine.
  27. Epperly W. Robert ; Sprague Barry N. ; Kelso Danny T. ; Bowers Wayne E., Method for reducing emissions from or increasing the utilizable energy of fuel for powering internal combustion engines.
  28. Peter-Hoblyn Jeremy D.,GB2, Method for reducing emissions from two-stroke engines.
  29. Peter-Hoblyn Jeremy D.,GBX, Method for reducing emissions of NO.sub.x and particulates from a diesel engine.
  30. Peter-Hoblyn Jeremy D.,GB2, Method for reducing harmful emissions from two-stroke engines.
  31. Peter-Hoblyn Jeremy D. (Bodmin CT GB3) Valentine James M. (Fairfield CT) Epperly W. Robert (New Canaan CT) Sprague Barry N. (Bethlehem CT), Method for reducing pollution emissions from a diesel engine.
  32. Nazarpoor, Zahra, Methods for oxidation and two-way and three-way ZPGM catalyst systems and apparatus comprising same.
  33. Peter-Hoblyn Jeremy D.,GBX ; Valentine James M. ; Sprague Barry N. ; Epperly W. Robert, Methods for reducing harmful emissions from a diesel engine.
  34. Olson Gregory J., Microbial catalyst for desulfurization of fossil fuels.
  35. Golden, Stephen J., Mixed-phase ceramic oxide three-way catalyst formulations and methods for preparing the catalysts.
  36. Valentine James M. (Fairfield CT) Peter-Hoblyn Jeremy D. (Bodwin GB2), Operation of diesel engines with reduced particulate emission by utilization of platinum group metal fuel additive and p.
  37. Ulmet Vlad,CAX ; Southgate William J.,GBX, Oxidation catalytic converter system for small spark ignited engines.
  38. Golden, Stephen J.; Hatfield, Randal; Pless, Jason D.; Ngo, Johnny T., Palladium solid solution catayst and methods of making.
  39. Toyoda,Tetsuro; Matsuoka,Katsunori, Particulate matter reducing apparatus.
  40. Golden Stephen J., Perovskite-type metal oxide compounds.
  41. Stephen J. Golden, Perovskite-type metal oxide compounds.
  42. Golden Stephen J., Perovskite-type metal oxide compounds and method for preparing the compounds.
  43. Golden,Stephen J., Perovskite-type metal oxide compounds and methods of making and using thereof.
  44. Stephen J. Golden, Perovskite-type metal oxide compounds and methods of making and using thereof.
  45. Chen, Shau-Lin Franklin; Wassermann, Knut; Sakakibara, Jin, Phosgard, a new way to improve poison resistance in three-way catalyst applications.
  46. Peter-Hoblyn Jeremy D. (Bodwin GB2) Sprague Barry N. (Bethlehem CT) Valentine James M. (Fairfield CT), Platinum metal fuel additive for water-containing fuels.
  47. Valentine, James M.; Sprague, Barry N., Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst.
  48. Tarabulski Theodore J. ; Peter-Hoblyn Jeremy D.,GBX ; Valentine James M., Reducing NO.sub.x emissions from an engine by selective catalytic reduction utilizing solid reagents.
  49. Peter-Hoblyn Jeremy D.,GBX ; Balles Eric N. ; Hofmann John E. ; Tarabulski Theodore J., Reducing NO.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction.
  50. Tarabulski Theodore J., Reducing NO.sub.x emissions from an engine while maximizing fuel economy.
  51. Jeremy D. Peter-Hoblyn GB; Eric N. Balles ; John E. Hofmann, Reducing no emissions from an engine by on-demand generation of ammonia for selective catalytic reduction.
  52. Tarabulski Theodore J. ; Knapper Curtis J. ; Peter-Hoblyn Jeremy D.,GBX ; Valentine James M., Reducing no.sub.x emissions from an engine by temperature-controlled urea injection for selective catalytic reduction.
  53. Valentine James M. (480 Hemlock Rd. Fairfield CT 06430), Reduction of nitrogen oxides emissions from diesel engines.
  54. Valentine James M. (Fairfield CT), Reduction of nitrogen oxides emissions from diesel engines.
  55. Peter-Hoblyn Jeremy D. (Bodwin GB3) Valentine James M. (Fairfield CT), Reduction of nitrogen oxides emissions from vehicular diesel engines.
  56. Peter-Hoblyn Jeremy D.,GB3 ; Valentine James M. ; Tarabulski Theodore J., System for fueling and feeding chemicals to internal combustion engines for NO.sub.x reduction.
  57. Hatfield, Randal L., Systems and methods for using Pd1+ in a TWC.
  58. Nazarpoor, Zahra; Golden, Stephen J., Thermally stable compositions of OSM free of rare earth metals.
  59. Peter-Hoblyn Jeremy D.,GBX ; Balles Eric N. ; Tarabulski Theodore J. ; Hofmann John E. ; Valentine James M., Urea pyrolysis chamber and process for reducing lean-burn engine NO.sub.x emissions by selective catalytic reduction.
  60. Peter-Hoblyn Jeremy D.,GBX ; Balles Eric N. ; Tarabulski Theodore J. ; Hofmann John E. ; Valentine James M., Urea pyrolysis chamber and process for reducing lean-burn engine NOx emissions by selective catalytic reduction.
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