Gongzhen Cheng

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Wuhan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophobic liquid photobleaches
- Patent number 6,645,928
- Issue date Nov 11, 2003
- Case Western Reserve University
- Malcolm Edward Kenney
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Methods for inserting silicon into phthalocyanines and naphthalocya...
- Patent number 5,872,248
- Issue date Feb 16, 1999
- Case Western Reserve University
- Gongzhen Cheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...