Qianwan Cheng

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Spherical rubber chemicals and the method for preparing the same
- Patent number 8,066,919
- Issue date Nov 29, 2011
- Jiangsu Sinorgchem Technology Co., Ltd.
- Nongyue Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
GLOBULAR RUBBER ADJUVANTS AND THE METHOD OF PREPARATING THE SAME
- Publication number 20100314789
- Publication date Dec 16, 2010
- Nongyue Wang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL