Leo LIU

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Proppant treatment with polymerizable natural oils
- Patent number 10,196,560
- Issue date Feb 5, 2019
- Trican Well Service Ltd.
- Kewei Zhang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
PROPPANT TREATMENT WITH POLYMERIZABLE NATURAL OILS
- Publication number 20160222282
- Publication date Aug 4, 2016
- Trican Well Service Ltd.
- Kewei ZHANG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...