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Composite chromatographic article 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B01D-015/08
출원번호 US-0274767 (1988-11-22)
발명자 / 주소
  • Hagen Donald F. (Woodbury MN) St. Mary Steven J. (St. Paul MN) Errede Louise A. (North Oaks MN)
출원인 / 주소
  • Minnesota Mining and Manufacturing Company (St. Paul MN 02)
인용정보 피인용 횟수 : 45  인용 특허 : 10

초록

A composite chromatographic article comprising: (a) a polytetrafluoroethylene fibril matrix, and (b) non-swellable sorptive particles enmeshed in said matrix, the ratio of non-swellable sorptive particles to polytetrafluoroethylene being in the range of 19:1 to 4:1 by weight, said composite article

대표청구항

A method of chromatographic separation comprising the steps of: (a) spotting a solution containing separable components in a circular configuration onto a rotatable chromatographic sheet-like article wherein said chromatographic sheet-like article is a composite article comprising: (1) a polytetra f

이 특허에 인용된 특허 (10)

  1. Samejima Tadanori (Fuji JPX), Adsorptive nonwoven fabric comprising fused fibers, non-fused fibers and absorptive material and method of making same.
  2. Breton Ernest J. (Wilmington DE) Wolf Jack D. (Wilmington DE) Worden Dexter (Wilmington DE), Article of fibrillated polytetrafluoroethylene containing high volumes of particulate material and methods of making and.
  3. Murayama Sadamitsu (Takatsuki JPX) Tanaka Makoto (Toyonaka JPX), Chemical-resistant filter material.
  4. Errede Louis A. (North Oaks MN) Stoesz James D. (St. Paul MN) Winter ; deceased George D. (late of St. Paul MN by Jenny Upton ; personal representative), Composite wound dressing.
  5. Errede Louis A. (North Oaks MN) Stoesz James D. (St. Paul MN) Winter ; deceased George D. (Bridgend GB7 by Jenny Upton ; legal representative), Method for making water-swellable composite sheet.
  6. Ree Buren R. (Stillwater MN) Errede Louis A. (North Oaks MN) Jefson Gary B. (St. Paul MN) Langager Bruce A. (New Brighton MN), Method of making polytetrafluoroethylene composite sheet.
  7. Hubis, Daniel E., Multi-component, highly porous, high strength PTFE article and method for manufacturing same.
  8. Lopatin George (Newton MA) Coplan Myron J. (Natick MA) Walton ; Jr. James P. (Newton MA), Open-celled microporous sorbent-loaded textile fibers and films and methods of fabricating same.
  9. Hauck Heinz E. (Frankfurt am Main DEX) Jost Willi (Langen DEX), Separation materials for thin layer chromatography.
  10. Errede Louis A. (North Oaks MN) Stoesz James D. (St. Paul MN) Upton Jenny (Bridgend GB7), Water-swellable composite sheet of microfibers of PTFE and hydrophilic absorptive particles.

이 특허를 인용한 특허 (45)

  1. Jaffe,Stephen Mosheim; Contescu,Cristian Ion, Adsorbent sheet material for parallel passage contactors.
  2. Nakano, Toshiro; Minobe, Satoshi; Tanahashi, Takashi, Air filter sheet, process for manufacturing same, and air filter.
  3. Douglas T. Gjerde ; Christopher P. Hanna ; Paul D. Taylor ; Benjamin L. Legendre, Jr. ; Robert M. Haefele, Apparatus and method for separating and purifying polynucleotides.
  4. Gjerde Douglas T. ; Hanna Christopher P. ; Taylor Paul D. ; Legendre ; Jr. Benjamin L. ; Haefele Robert M., Apparatus and method for separating and purifying polynucleotides.
  5. Kopaciewicz William ; Cann Ingeborg ; Sheer Donald G., Centrifugal adsorptive sample preparation device and method.
  6. Douglas T. Gjerde ; Robert M. Haefele ; Karl H. Hecker ; Raquel R. Roque, Column for DNA separation by matched ion polynucleotide chromatography.
  7. Gjerde, Douglas T.; Haefele, Robert M.; Hecker, Karl H.; Roque, Raquel R., Column for DNA separation by matched ion polynucleotide chromatography.
  8. Hagen Donald F. (Woodbury MN) Hansen Paul E. (Lake Elmo MN) Markell Craig G. (White Bear MN), Composite membranes for solid phase extractions and reactions.
  9. Hagen Donald F. ; Hansen Paul E. ; Markell Craig G., Composite membranes for solid phase extractions and reactions.
  10. Craig A. Perman ; Taib K. Ansera ; Eric E. Wisted ; Michael R. Berrigan ; Jason R. Jacobson ; Glen H. Bayer, Jr., Extraction articles and methods.
  11. Yates Alayne, Gum pad for delivery of medication to mucosal tissues.
  12. Letuchy, Yakov A.; Martin, William E.; Muller, David W.; Allen, Shawn; Walsh, Shawn P., Labeled solid supports for organic synthesis.
  13. Gregor Vlad E. ; Schreckengaust Scott, Large scale sorption-driven solid state chromatography.
  14. Gjerde,Douglas T.; Haefele,Robert M.; Taylor,Paul D.; Hanna,Christopher P.; Kuklin,Alezander I.; Hornby,David P., Liquid chromatographic separation of polynucleotides.
  15. Douglas T. Gjerde ; Robert M. Haefele ; Laura Bunnel ; Paul D. Taylor ; Kimberly A. Lamb ; Satyajit Kar, MIPC column cleaning system and process.
  16. Gjerde Douglas T. ; Haefele Robert M. ; Taylor Paul D., Matched ion polynucleotide chromatography (MIPC) process for separation of polynucleotide fragments.
  17. Haddad, Louis C.; Swenson, Barbara C.; Bothof, Catherine A.; Raghavachari, Madhusudan, Materials, methods, and kits for reducing nonspecific binding of molecules to a surface.
  18. Wilson Theresa J. (St. Paul MN) Haddad Louis C. (St. Paul MN) Hagen Donald F. (Woodbury MN), Medium for electrophoresis.
  19. Douglas T. Gjerde ; David P. Hornby GB; Christopher P. Hanna ; Alexander I. Kuklin, Method and system for RNA analysis by matched ion polynucleotide chromatography.
  20. Gjerde, Douglas T.; Hornby, David P.; Hanna, Christopher P.; Kuklin, Alexander I.; Haefele, Robert M.; Taylor, Paul D., Method and system for RNA analysis by matched ion polynucleotide chromatography.
  21. Hecker, Karl H.; Azarani, Arezou; Hornby, David; Hanna, Christopher P.; Gjerde, Douglas T.; Matin, Maryam, Method and system for the preparation of cDNA.
  22. Haddad, Louis C., Method for reducing the amount of nucleic acid adhering to a hydrophobic surface.
  23. Fritz James S. (Ames IA) Dumont Philip J. (Ames IA) Hagen Donald F. (Woodbury MN) Markell Craig G. (White Bear Township ; Ramsey County MN) Schmidt Luther W. (Batesville MN), Method of isolating an analyte using a solid phase extraction medium.
  24. Good Thomas J. (Sierra Madre CA) Redmond Alan F. (Temple City CA), Microcolumn for extraction of analytes from liquids.
  25. Douglas T. Gjerde ; Paul D. Taylor, Non-polar media for polynucleotide separations.
  26. Douglas T. Gjerde ; Paul D. Taylor, Non-polar media for polynucleotide separations.
  27. Gjerde Douglas T. ; Taylor Paul D., Non-polar media for polynucleotide separations.
  28. Gjerde Douglas T. ; Taylor Paul D., Non-polar media for polynucleotide separations.
  29. Gjerde, Douglas T.; Taylor, Paul D., Non-polar media for polynucleotide separations.
  30. Gjerde, Douglas T.; Taylor, Paul D., Non-polar media for polynucleotide separations.
  31. Louis C. Haddad, Nucleic acid isolation by adhering to hydrophobic solid phase and removing with nonionic surfactant.
  32. Markell Craig G. (White Bear Township ; Ramsey County MN) Hagen Donald F. (Woodbury MN) Hansen Paul E. (Lake Elmo MN) Baumann Nicholas R. (St. Paul MN), Particle-loaded nonwoven fibrous article for separations and purifications.
  33. Gjerde Douglas T. ; Taylor Paul D. ; Haefele Robert M., Polynucleotide separations on polymeric separation.
  34. Douglas T. Gjerde ; Paul D. Taylor ; Robert M. Haefele, Polynucleotide separations on polymeric separation media.
  35. Douglas T. Gjerde ; Paul D. Taylor ; Robert M. Haefele, Polynucleotide separations on polymeric separation media.
  36. Gjerde Douglas T. ; Taylor Paul D. ; Haefele Robert M., Polynucleotide separations on polymeric separation media.
  37. Gjerde Douglas T. ; Haefele Robert M. ; Taylor Paul D., Process for separation of polynucleotide fragments.
  38. Gjerde, Douglas T.; Haefele, Robert M.; Taylor, Paul D., Process for separation of polynucleotide fragments.
  39. Balsimo William V. ; White Lloyd R., Reinforced particle-loaded fibrillated PTFE web.
  40. Fritz James S. (Ames IA) Hagen Donald F. (Woodbury MN) Markell Craig G. (White Bear Township ; Ramsey County MN), Self-wettable solid phase extraction medium.
  41. Markell Craig G. ; Hagen Donald F. ; Luedtke James D., Solid phase extraction medium.
  42. Kurt C. Carlson ; Roger L. Langer, Solid phase extraction membrane.
  43. McQuinn Roy L. ; Barkhaus Joan K., Transmucosal drug delivery device.
  44. Bedingham, William; Robole, Barry W.; Parthasarathy, Ranjani V.; Ericson, Katya, Variable valve apparatus and methods.
  45. Pranis,Robert A.; Perman,Craig A., Welded sample preparation articles and methods.
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