Drug – bio-affecting and body treating compositions – Identification or warning feature – Taste or smell or chemical irritation to the eye – nose – or...
Patent
1984-02-03
1985-04-02
Rose, Shep K.
Drug, bio-affecting and body treating compositions
Identification or warning feature
Taste or smell or chemical irritation to the eye, nose, or...
424 22, 424 37, A61K 920, A61K 928, A61K 948
Patent
active
045087024
ABSTRACT:
A sustained release aspirin dosage form permits the continuous delivery of aspirin into the gastrointestinal tract for a period of at least eight hours. The sustained release aspirin dosage form comprises a plurality of polymerically coated aspirin crystals each of which comprises an aspirin seed. The majority of aspirin seeds have a mesh size of from about 30 to about 60 mesh. Each of the aspirin seeds is individually coated with a polymeric mixture, which comprises from about 1.5 to about 15 parts by weight ethylcellulose and about one part by weight hydroxypropylcellulose.
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Key Pharmaceuticals, Inc.
Rose Shep K.
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