Wei Cao

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Orefield, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogen-containing heterocyclic epoxy curing agents, compositions...
- Patent number 10,556,985
- Issue date Feb 11, 2020
- Evonik Operations GmbH
- Shiying Zheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Removal of sulfur-containing impurities from volatile metal hydrides
- Patent number 7,250,072
- Issue date Jul 31, 2007
- Air Products and Chemicals, Inc.
- Rajiv K. Agarwal
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
NITROGEN-CONTAINING HETEROCYCLIC EPOXY CURING AGENTS, COMPOSITIONS...
- Publication number 20170137562
- Publication date May 18, 2017
- Air Products and Chemicals, Inc.
- Shiying Zheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Removal of sulfur-containing impurities from volatile metal hydrides
- Publication number 20050106090
- Publication date May 19, 2005
- Rajiv K. Agarwal
- C01 - INORGANIC CHEMISTRY