Liang Ma

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King of Prussia, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for preparing N-[(aliphatic or aromatic)carbonyl)&#...
- Patent number 6,492,553
- Issue date Dec 10, 2002
- Aventis Pharamaceuticals Inc.
- Christopher Hulme
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE