Polymers containing pendant acid functionalities and labile backbone bonds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 23, 1988
Issued Date -
N/A
app pub date -
Oct 6, 1986
filing date -
Jun 6, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The instant invention is directed to a polymer with at least one labile backbone bond per repeat unit and at least one pendant acid functionality per thousand repeat units. The instant invention is also directed to a controlled release device which comprises: (A) a polymer with at least one labile backbone bond per repeat unit and at least one pendant acid functionality per thousand repeat units; and (B) a beneficial substance incorporated within or surrounded by the matrix of said polymer.
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