RESEARCH INSTITUTE OF BEIJING YANSHAN PETROCHEMICAL CORPORATION

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YANSHAN DISTRICT, CN

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic elastomeric block copolymers and process for the prep...
- Patent number 6,140,433
- Issue date Oct 31, 2000
- China Petrochemical Corporation
- Nairan Zhang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...