Film preparation and process for preparing the same

Details Film preparation and process for preparing the same Film preparation and process for preparing the same

2011-07-12

2011-07-12

Desai, Anand U (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

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

C424S400000

Reexamination Certificate

active

07976864

ABSTRACT:
An object is to provide a film preparation comprising a polymer harmless to living bodies and being highly adhesive to the skin; and a film preparation further containing a pharmaceutically active oily ingredient and being highly adhesive to the skin. More specifically, provided is a film preparation comprising a drug, a wetly shear-triturated low-substituted cellulose ether having a molar substitution of from 0.05 to 1.0 per anhydrous glucose unit, and a water-soluble cellulose ether, and having 100 minutes or greater of adhesion ability to the skin. The preparation becomes a skin-adhesive hydrous sheet having excellent skin adhesion after it is wet with water as it is used.

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