0668073-A2 is referenced by 8 patents and cites 4 patents.

The present invention relates to a matrix for sustained-release preparation comprising an ester formed at a terminal carboxyl group of a straight-chain polyester which essentially consists of an alpha -hydroxymonocarboxylic acid. The matrix is stable to light, heat, moisture, coloring etc., and is of low toxicity. The sustained-release preparation produced by using the ester of the present invention offers stable drug release over an extended period of time, ensuring sustained stable effect. Furthermore, the sustained-release preparation does not show excess drug release just after administration.

Title
Polyester matrix for a pharmaceutical sustained-release preparation.
Application Number
EP19950301091 19950221
Publication Number
0668073 (A2)
Application Date
February 21, 1995
Publication Date
August 23, 1995
Inventor
Sano Atsunori
JP
Oka Masahisa
JP
Kamei Shigeru
JP
Okamoto Kayoko
JP
Saikawa Akira
JP
Igari Yasutaka
JP
Assignee
Wako Pure Chem
JP
Takeda Chemical
JP
IPC
A61K 47/34
A61K 09/50
A61K 09/22
A61K 09/16
C08G 63/00
A61K 09/16
C08G 63/06
A61K 09/16
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