Aspirin tablet
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Nov 26, 1985
Issued Date -
N/A
app pub date -
Mar 8, 1984
filing date -
Nov 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tablet, which readily disintegrates in gastric fluid to give aspirin crystals coated with a polymeric film preventing the aspirin crystals from contacting the stomach wall but not preventing access of gastric fluid to the aspirin contained within the polymer film, which consists of a plurality of aspirin crystals 20-60 mesh in size coated with about 3-10% by weight of a polymeric mixture comprising from about 1.5 to about 15 parts by weight ethylcellulose and about one part by weight hydroxypropylcellulose; a compression aid; a disintegrant; and a tableting aid.
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