Invention Grant
- Patent Title: Poly-dicaboxylic acid anhydrides, their production and use
- Patent Title (中): 聚异氰酸酯，它们的生产和使用
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Application No.: US570939Application Date: 1990-08-21
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Publication No.: US5091565APublication Date: 1992-02-25
- Inventor: Gerd Ziegast
- Applicant: Gerd Ziegast
- Applicant Address: CHX Basle
- Assignee: Sandoz Ltd.
- Current Assignee: Sandoz Ltd.
- Current Assignee Address: CHX Basle
- Priority: DEX3535169 19851002
- Main IPC: C07C59/64
- IPC: C07C59/64 ; A61K9/16 ; A61K9/20 ; A61K9/22 ; C07C51/00 ; C07C51/56 ; C07C65/21 ; C07C67/00 ; C08G67/00 ; C08G67/04
Abstract:
New poly-dicarboxylic acid anhydrides, which are suitable as bio-degradable matrix materials for the controlled release of medicinal agents in humans.
Public/Granted literature
- US6108435A Method of detecting phase difference between a pair of images Public/Granted day:2000-08-22
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