Yujian Luo

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Beijing, CN

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Patents Applicationslast 30 patents

Information Patent Application
CLEAN FRACTURING FLUID THICKENER OF MULTI-BLOCK ASSOCIATIVE COPOLYM...
- Publication number 20150307770
- Publication date Oct 29, 2015
- Yan Zheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIQUEFIED POLYMER FRACTURING FLUID THICKENER AND PREPARATION METHOD...
- Publication number 20140336088
- Publication date Nov 13, 2014
- Yan Zheng
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...