Sustained release drug dosage forms containing hydroxypropylmethylcellulose and alkali metal carboxylates
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jan 8, 1991
Issued Date -
N/A
app pub date -
Dec 15, 1988
filing date -
Dec 21, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A therapeutically active solid unit dosage form comprising a carrier base material combined with a therapeutically active medicament and shaped and compressed to a solid unit dosage form having a controlled and sustained release pattern upon administration, the carrier base material comprising a mixture of one or more nonionic cellulose ethers and an alkali metal carboxylate, wherein at least one of the cellulose ethers is hydroxypropylmethylcellulose having a number average molecular weight of at least 50,000.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully