TREA

Lucas Petrus Simon Keyzer

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  • CM Amsterdam, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Start-up process for the production of glycols
    • Patent number 11,485,693
    • Issue date Nov 1, 2022
    • SHELL USA, INC.
    • Dionysius Jacobus Maria De Vlieger
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Catalyst and isomerisation process
    • Patent number 9,597,670
    • Issue date Mar 21, 2017
    • Shell Oil Company
    • Carolus Maria Ballegoy
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Cleaning composition
    • Patent number 5,861,364
    • Issue date Jan 19, 1999
    • Shell Oil Company
    • Nicolaas Cornelis Maria Beers
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents