05236704 is referenced by 36 patents and cites 20 patents.

A controlled release formulation which comprises a compound selected from the group consisting of organic acidic compounds and acid anhydrides or esters capable of generating one of the organic acidic compounds through hydrolysis together with an active ingredient and collagen as a carrier, said formulation being capable of exhibiting a predetermined release profile of the active ingredient. A process for producing said formulation is also provided.

Title
Controlled release formulation
Application Number
7/302476
Publication Number
5236704
Application Date
January 27, 1989
Publication Date
August 17, 1993
Inventor
Miho Maeda
Osaka
JP
Yoshio Sasaki
Toyonaka
JP
Yoshihiro Takada
Takatsuki
JP
Nobuhiko Tamura
Toyonaka
JP
Shigeji Sato
Ibaraki
JP
Keiji Fujioka
Amagasaki
JP
Agent
Birch Stewart Kolasch & Birch
Assignee
Sumitomo Pharmaceuticals
JP
IPC
A61K 37/66
A61K 37/48
A61K 37/43
A61K 37/02
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