Polymers containing pendant acid functionalities and labile...

Details Polymers containing pendant acid functionalities and labile... Polymers containing pendant acid functionalities and labile...

A - Human Necessities

61

K

402/1, 167/166,

A61K 9/22 (2006.01) A61K 9/20 (2006.01) C08G 65/34 (2006.01) C08G 85/00 (2006.01)

Patent

CA 1250073

TITLE OF THE INVENTION POLYMERS CONTAINING PENDANT ACID FUNCTIONALITIES AND LABILE BACKBONE BONDS ABSTRACT OF THE INVENTION 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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