Lianhui Zhang

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lubricating grease of polyurea/high base number calcium sulfonate c...
- Patent number 11,692,151
- Issue date Jul 4, 2023
- Lanxess Corporation
- Lianhui Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Lubricating grease of polyurea/high base number calcium sulfonate c...
- Patent number 11,225,627
- Issue date Jan 18, 2022
- Lanxess Corporation
- Lianhui Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

Information Patent Application
LUBRICATING GREASE OF POLYUREA/HIGH BASE NUMBER CALCIUM SULFONATE C...
- Publication number 20220081639
- Publication date Mar 17, 2022
- LANXESS CORPORATION
- Lianhui Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
LUBRICATING GREASE OF POLYUREA/HIGH BASE NUMBER CALCIUM SULFONATE C...
- Publication number 20200109345
- Publication date Apr 9, 2020
- CHEMTURA CHEMICALS (NANJING) COMPANY LIMITED
- Lianhui Zhang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...