Humberto Velasquez

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for conditioning azo pigments
- Patent number 7,019,121
- Issue date Mar 28, 2006
- Sun Chemical Corporation
- Edward H. Sung
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polyphosphoric acid swelling of organic pigments
- Patent number 6,537,362
- Issue date Mar 25, 2003
- Sun Chemical Corporation
- Edward H. Sung
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for preparing a substantially pure gamma phase quinacridone...
- Patent number 6,402,829
- Issue date Jun 11, 2002
- Sun Chemical Corporation
- Edward H. Sung
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for Preparing Alpha Quinacridone Pigments
- Publication number 20080295739
- Publication date Dec 4, 2008
- SUN CHEMICAL CORPORATION
- Edward H. Sung
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process for conditioning azo pigments
- Publication number 20050139128
- Publication date Jun 30, 2005
- Edward H. Sung
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR PREPARING A SUBSTANTIALLY PURE GAMMA PHASE QUINACRIDONE...
- Publication number 20020073896
- Publication date Jun 20, 2002
- Edward H. Sung
- C07 - ORGANIC CHEMISTRY