Wei-Tech W. Shang

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Nagoya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aromatic sulfide/sulfone polymer production
- Patent number 4,958,004
- Issue date Sep 18, 1990
- Phillips Petroleum Company
- Kenneth C. Hoover
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...