Title:
ポリビニルアルコールおよびポリビニルアルコールコポリマーをベースとする新規ハイドロゲル
Document Type and Number:
Japanese Patent JP2007533810
Kind Code:
A
Abstract:
The invention relates to hydrogels containing polyvinyl alcohols and/or polyvinyl alcohol copolymers having special geometries, methods for the production of said hydrogels, and the use of the hydrogels as materials in the biomedical and pharmaceutical field, for producing contact lenses, for the controlled release of active substances, as a carrier material for inclusion-immobilized biocatalysts, a carrier material for transition metal catalysts, a material for producing reactive membranes, an additive to drilling fluid, a displacing agent in oil recovery, a cement additive and an additive to highly viscous liquids such as crude oil to improve the flowability and increase the speed of conveyance, and a component of cosmetic products.
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Inventors:
Schulte, Jörg
Tim Dicknell
Brookman, Monica
Shottech, Yoruk
Blank Uwe
Tim Dicknell
Brookman, Monica
Shottech, Yoruk
Blank Uwe
Application Number:
JP2007508856A
Publication Date:
November 22, 2007
Filing Date:
April 22, 2005
Export Citation:
Assignee:
Celanese Ventures GMBH
International Classes:
C08F8/12; A61K8/81; A61L15/64; A61L27/00; C08F16/06; C08F18/08; C08F216/06; C08L29/04; C08L33/00; C08L39/06; G02B1/04; G02C7/04
Attorney, Agent or Firm:
Eisuke Fujimoto