Clear, homogenized, flowable hydrogel of crosslinked N-vinyl lac

Details Clear, homogenized, flowable hydrogel of crosslinked N-vinyl lac Clear, homogenized, flowable hydrogel of crosslinked N-vinyl lac

1996-11-06

1998-02-10

Kulkosky, Peter F.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

424 62, 424 63, 424443, A61K 970, A61K 7135

Patent

active

057166340

ABSTRACT:
This invention relates to a crosslinked N-vinyl lactam polymer in the form of a stable, clear, flowable homogenized hydrogel composed of microparticles which can be passed through a screen of between about 40 and about 350 mesh size. The invention also concerns a clear, colorless, hydrogel which is required as a carrier for a cosmetically or pharmaceutically active substance such as a hair or skin conditioner and cosmetic or pharmaceutical skin base.

REFERENCES:
patent: 3166525 (1965-01-01), Perry
patent: 5426163 (1995-06-01), Buehler et al.

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