Sustained release aspirin

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United States of America Patent

PATENT NO 4508702
SERIAL NO

06576777

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Abstract

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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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Patent Owner(s)

Patent OwnerAddress
KEY PHARMACEUTICALS INCMIAMI FL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsiao, Charles H Miami, FL 7 316

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