Guifeng Li

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Clark, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating oil compositions containing sterically hindered amines...
- Patent number 9,969,950
- Issue date May 15, 2018
- Infineum International Limited
- Tushar K. Bera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating oil compositions containing sterically hindered amines...
- Patent number 9,145,530
- Issue date Sep 29, 2015
- Infineum International Limited
- Tushar K. Bera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATING OIL COMPOSITIONS CONTAINING STERICALLY HINDERED AMINES...
- Publication number 20140162923
- Publication date Jun 12, 2014
- Tushar K. Bera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Lubricating Oil Compositions Containing Sterically Hindered Amines...
- Publication number 20140024569
- Publication date Jan 23, 2014
- Tushar K. Bera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...