TREA

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 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