Title:
HYDROGELS CONTAINING SUBSTANCES
Document Type and Number:
WIPO Patent Application WO2000027358
Kind Code:
A8
Abstract:
A blend of one or more crosslinked polymers or copolymers prepared from an olefinically unsaturated polymerizable carboxylic or anhydride monomer and at least one high molecular weight essentially linear polymer prepared from an olefinically unsaturated poylmerizable carboxylic acid monomer. The blend is neutralized to typically a low pH, and generally contains a noncovalent, e.g. ionic, crosslinking agent, and a cure rate modifier. The hydrogel blend is capable of containing a large amount of water, has good tack, good adhesion, and can be utilized as an application vehicle having a backing thereon as well as containing various substances such as personal care compounds, pharmaceuticals, active ingredients, and the like.
Inventors:
FRATE DEAN M
CHIARELLI JOSEPH A
MA YONG
CHIARELLI JOSEPH A
MA YONG
Application Number:
PCT/US1999/025925
Publication Date:
July 20, 2000
Filing Date:
November 03, 1999
Export Citation:
Assignee:
GOODRICH CO B F (US)
International Classes:
A61K9/70; (IPC1-7): A61K9/00
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