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특허 상세정보

Process for preparing superficially porous supports for chromatography and catalysts

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B05D-007/00    C02F-001/68   
미국특허분류(USC) 427/215 ; 427/219 ; 428/403 ; 428/406
출원번호 US-0487894 (1983-04-22)
발명자 / 주소
  • Bergna Horacio E. (Wilmington DE) Kirkland Joseph J. (Wilmington DE)
출원인 / 주소
  • E. I. Du Pont de Nemours and Company (Wilmington DE 02)
인용정보 피인용 횟수 : 40  인용 특허 : 1
초록

There is disclosed a process for preparing superficially porous macroparticles comprising spray drying a specified well-mixed slurry of core macroparticles, colloidal inorganic microparticles and a liquid and sintering the resulting product to cause a 5%-30% decrease in surface area.

대표
청구항

A process for preparing superficially porous macroparticles comprising (a) forming a well mixed slurry of core macroparticles, colloidal inorganic microparticles to coat the macroparticles, and a liquid, said core macroparticles being (1) impervious and stable, (2) regularly shaped and (3) about 5-200 m4-1000 nm; the ratio of the weight of the microparticles to weight of liquid being from about 0.05 to about 0.5 and the ratio of volume of coating microparticles to total volume of coating microparticles and core macroparticles being from about 0.003 to ab...

이 특허를 인용한 특허 (40)

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  2. Maejima Tsugio (Saitama JPX) Tamai Kimio (Saitama JPX) Kanakubo Tetsuo (Kawagoe JPX) Yoshizawa Masao (Tokyo JPX) Tagaya Nobuaki (Kawagoe JPX) Kuwahara Hideyuki (Ooimachi JPX) Hashimoto Takao (Ooimach, Assemblage of hydroxyl apatite particles and liquid chromatography column using the same.
  3. Castle Richard B., At least partly fused particulates and methods of making them by flame fusion.
  4. Joubert Daniel (Trevoux FRX) Parker Philippe (Villeurbanne FRX), Composite detergent particulates.
  5. Barber,William E.; Broske,Alan D.; Langlois,Timothy James, Composition and method for high efficiency chromatography.
  6. Castle Richard B., Compositions comprising fused particulates and methods of making them.
  7. Xie, Shaofeng, Disposable monolithic column.
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  9. Castle Richard B., Fused glassy particulates obtained by flame fusion.
  10. Toshihiro Okazaki JP; Takuya Kondo JP; Masahiko Sugiyama JP, Gas storage method and system, and gas occluding material.
  11. Bordunov, Andrei, Hydrolytically stable ion-exchange stationary phases and uses thereof.
  12. Lavin John T. (Guildford GBX), Liquid-vapor contact columns.
  13. Weindel, Kurt; Riedling, Michael; Geiger, Albert, Magnetic glass particles, method for their preparation and uses thereof.
  14. Campion Jean-Florent,FRX ; Francois Jean-Philippe,FRX ; Lavallade Christelle,FRX ; Oskeritsian Philippe,FRX ; Saugrain Jean-Maxime,FRX, Method and apparatus for treating silica granules using porous graphite crucible.
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  17. Kellerman David (Littleton MA), Method of manufacturing thick-film devices.
  18. Nakamura,Naoki, Method of producing gas occluding material.
  19. Maa Yuh-Fun ; Nguyen Phuong-Anh, Method of spray freeze drying proteins for pharmaceutical administration.
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  29. Kirkland Joseph J. (Wilmington DE) Khler Jrgen (Waltrop DEX), Porous silica microspheres having a silanol enriched surface.
  30. Kirkland Joseph J. (Wilmington DE) Khler Jrgen (Waltrop DEX), Porous silica microspheres having silanol-enriched and silanized surfaces.
  31. Cox Geoffrey B. (Wilmington DE) Stout Richard W. (Wilmington DE), Process for porosity control and rehydroxylations of silica bodies.
  32. Meybeck Alain,FRX ; Bonte Frederic,FRX, Solid complex particles comprising a biologically active solid substance, mode of preparation and compositions for topi.
  33. Deshpande, Jayant, Stable beadlets of lipophilic nutrients.
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  35. Wyndham, Kevin D.; Muriithi, Beatrice W., Superficially porous materials comprising a substantially nonporous hybrid core having narrow particle size distribution; process for the preparation thereof; and use thereof for chromatographic separations.
  36. Lofton, Charles; Wei, Ta-Chen; Barber, William E; Chen, Wu, Superficially porous metal oxide particles, methods for making them, and separation devices using them.
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  38. Chen, Wu; Wei, Ta-Chen, Superficially porous particles and methods of making and using same.
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  40. Nguyen, Reno T.; Anderson, Scott; Chappell, Ian, Ultra-fast chromatography.