Guangming Chen

Follow

Person

Hangzhou City, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Environmentally friendly alternative refrigerant for HCFC-22
- Patent number 7,459,101
- Issue date Dec 2, 2008
- Zhejiang Lantian Environmental Protection Hi-Tech Co. Ltd.
- Guangming Chen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Enviromental refrigerant instead of r502
- Publication number 20070080318
- Publication date Apr 12, 2007
- Zhikai Guo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Environmentally friendly alternative refrigerant for HCFC-22
- Publication number 20060001001
- Publication date Jan 5, 2006
- Guangming Chen
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...