Guiping Xiao

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Organic azo-pigment coated lithopone
- Patent number 5,472,492
- Issue date Dec 5, 1995
- Sino-American Pigment Systems, Inc., Inc.
- Michael T. Issel
- C01 - INORGANIC CHEMISTRY