Xinshui Wan

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Henan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metal detergent and preparation method thereof and lubricant oil co...
- Patent number 9,982,212
- Issue date May 29, 2018
- XINXIANG RICHFUL LUBE ADDITIVE CO., LTD.
- Jinfeng Fan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
METAL DETERGENT AND PREPARATION METHOD THEREOF AND LUBRICANT OIL CO...
- Publication number 20170051227
- Publication date Feb 23, 2017
- XINXIANG CITY RUIFENG CHEMICAL CO., LTD
- Jinfeng Fan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...