TREA

Gayani Pinnawala Arachchilage

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  • Houston, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Compositions for use in oil and gas operations
    • Patent number 11,884,879
    • Issue date Jan 30, 2024
    • Chevron U.S.A. Inc.
    • Dennis A. Alexis
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Methods for use in oil and gas operations
    • Patent number 11,739,254
    • Issue date Aug 29, 2023
    • Chevron U.S.A. Inc.
    • Dennis A. Alexis
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Compositions for use in oil and gas operations
    • Patent number 11,248,160
    • Issue date Feb 15, 2022
    • Chevron U.S.A. Inc.
    • Dennis A. Alexis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Methods for preparing an aqueous surfactant-polymer solution
    • Patent number 11,008,502
    • Issue date May 18, 2021
    • Chevron U.S.A. Inc.
    • Dennis A. Alexis
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Surfactant compositions
    • Patent number 10,501,677
    • Issue date Dec 10, 2019
    • Chevron U.S.A. Inc.
    • Douglas G. Naae
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents