Hongwen Liang

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Hunan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Injection-foamable styrenic monomer-diolefin copolymer, a method fo...
- Patent number 10,240,019
- Issue date Mar 26, 2019
- China Petrochemical Corporation
- Hongwen Liang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
INJECTION-FOAMABLE STYRENIC MONOMER-DIOLEFIN COPOLYMER, A METHOD FO...
- Publication number 20150051309
- Publication date Feb 19, 2015
- China Petrochemical Corporation
- Hongwen Liang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
INJECTION-FOAMABLE STYRENIC MONOMER-DIOLEFIN COPOLYMER, A METHOD FO...
- Publication number 20110204536
- Publication date Aug 25, 2011
- Hongwen Liang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL