Polymers containing pendant acid functionalities and labile backbone bonds
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United States of America Patent
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Jan 27, 1987
Grant Date -
N/A
app pub date -
Jun 6, 1984
filing date -
Jun 6, 1984
priority date (Note) -
Expired
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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.
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