KUAH YONG CHEUN

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KUALA LUMPUR CITY CENTRE, MY

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Patents Grantslast 30 patents

Information Patent Grant
Friction and wear reduction additives
- Patent number 11,912,953
- Issue date Feb 27, 2024
- Petroliam Nasional Berhad (Petronas)
- Kuah Y. Cheun
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Form of copper sulfide
- Patent number 11,613,708
- Issue date Mar 28, 2023
- Petroliam Nasional Berhad (Petronas)
- Kenneth Seddon
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of copper sulfide
- Patent number 11,065,577
- Issue date Jul 20, 2021
- Petroliam Nasional Berhad (Petronas)
- Kenneth Seddon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
FRICTION AND WEAR REDUCTION ADDITIVES
- Publication number 20240327743
- Publication date Oct 3, 2024
- Petroliam Nasional Berhad (Petronas)
- Kuah Y. Cheun
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
FRICTION AND WEAR REDUCTION ADDITIVES
- Publication number 20220290067
- Publication date Sep 15, 2022
- Petroliam Nasional Berhad (Petronas)
- Kuah Y. Cheun
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
PROCESS FOR THE PRODUCTION OF COPPER SULFIDE
- Publication number 20200238214
- Publication date Jul 30, 2020
- KENNETH SEDDON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NEW FORM OF COPPER SULFIDE
- Publication number 20200239786
- Publication date Jul 30, 2020
- KENNETH SEDDON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL