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SANDRA SHEN

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Patents Grantslast 30 patents

  • Information Patent Grant

    Ambient humidity control article
    • Patent number 11,701,636
    • Issue date Jul 18, 2023
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD
    • Sandra Shen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Ambient humidity control article
    • Patent number 11,241,668
    • Issue date Feb 8, 2022
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD
    • Sandra Shen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Ambient humidity control article
    • Patent number 11,185,846
    • Issue date Nov 30, 2021
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD
    • Sandra Shen
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Composition for controlling ambient humidity
    • Patent number 11,007,477
    • Issue date May 18, 2021
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD
    • Sandra Shen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Composition for controlling ambient humidity
    • Patent number 10,926,216
    • Issue date Feb 23, 2021
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD
    • Sandra Shen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    AMBIENT HUMIDITY CONTROL ARTICLE
    • Publication number 20200298203
    • Publication date Sep 24, 2020
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD.
    • SANDRA SHEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    COMPOSITION FOR CONTROLLING AMBIENT HUMIDITY
    • Publication number 20200298175
    • Publication date Sep 24, 2020
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIAL CO., LTD.
    • SANDRA SHEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    COMPOSITION FOR CONTROLLING AMBIENT HUMIDITY
    • Publication number 20200298177
    • Publication date Sep 24, 2020
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIAL CO., LTD.
    • SANDRA SHEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AMBIENT HUMIDITY CONTROL ARTICLE
    • Publication number 20200298204
    • Publication date Sep 24, 2020
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD.
    • SANDRA SHEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    AMBIENT HUMIDITY CONTROL ARTICLE
    • Publication number 20200298205
    • Publication date Sep 24, 2020
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD.
    • SANDRA SHEN
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    COMPOSITION FOR CONTROLLING AMBIENT HUMIDITY
    • Publication number 20200298176
    • Publication date Sep 24, 2020
    • SHANGHAI HENGYUAN MACROMOLECULAR MATERIALS CO., LTD.
    • SANDRA SHEN
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL