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Organically modified aerogels, processes for their preparation by surface modification of the aqueous gel, without prior solvent exchange, and subsequent drying, and their use

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C01B-033/18
  • C01B-033/00
  • C01B-033/193
  • B05D-007/00
  • B01J-013/00
출원번호 US-0817459 (2001-03-26)
등록번호 US-7470725 (2008-12-30)
우선권정보 DE-196 48 798(1996-11-26)
발명자 / 주소
  • Schwertfeger,Fritz
  • Frank,Dierk
출원인 / 주소
  • Cabot Corporation
인용정보 피인용 횟수 : 8  인용 특허 : 64

초록

The present invention relates to novel, organically modified aerogels, uses thereof, and a process for producing them in which a) a hydrogel is introduced as an initial charge, b) the hydrogel obtained in step a) is subjected to surface modification, and c) the surface-modified gel obtained in step

대표청구항

The invention claimed is: 1. A process for preparing an organically modified aerogel, which comprises: a) introducing an inorganic hydrogel formed at pH greater than 3 as initial charge, b) modifying the surface of the hydrogel obtained in step a) by mixing the hydrogel with a silylating agent to f

이 특허에 인용된 특허 (64)

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  • 이 특허를 인용한 특허 (8)

    1. Shah, Parag Rasiklal; Hu, Yatao Rachel; Lee, Myoung Kie, Catalyst supports, catalysts and their manufacture and use.
    2. Shah, Parag Rasiklal; Hu, Yatao Rachel; Lee, Myoung Kie, Catalyst supports, catalysts and their manufacture and use.
    3. Benn, Mark; DeGeorge, Michael, Composition for altering the color of keratin fibers.
    4. Shimizu, Momoko; Servais-Dealet, Annabelle; Ishida, Maki, Cosmetic composition comprising a hydrocarbonated-based resin, a hydrocarbon-based block copolymer, a non volatile dimethicone oil and a non volatile hydrocarbonated oil.
    5. Lorant, Raluca, Cosmetic composition comprising silica aerogel particles, a gemini surfactant and a solid fatty substance.
    6. Benn, Mark; Degeorge, Michael, Depilatory compositions.
    7. Mulqueen, Daniel W.; Fournier, James L.; Reed, Thomas B., Environmental remediation material.
    8. Rehmann, Mark L.; Heatly, Michael M., Information handling systems having coatings with porous particles and processes of forming the same.

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