Wei-Chieh LIANG

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Xianxi Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Liquid anti-friction composition
- Patent number 11,186,796
- Issue date Nov 30, 2021
- PATECH FINE CHEMICALS CO., LTD.
- Wei-Chieh Liang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Base oil and lubricant oil composition including the same
- Patent number 11,111,450
- Issue date Sep 7, 2021
- PATECH FINE CHEMICALS CO., LTD.
- Wei-Chieh Liang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LIQUID ANTI-FRICTION COMPOSITION
- Publication number 20210009915
- Publication date Jan 14, 2021
- PATECH FINE CHEMICALS CO., LTD.
- Wei-Chieh LIANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
BASE OIL AND LUBRICANT OIL COMPOSITION INCLUDING THE SAME
- Publication number 20200148966
- Publication date May 14, 2020
- PATECH FINE CHEMICALS CO., LTD.
- Wei-Chieh LIANG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...