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Weihong Lang

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  • Suwanee, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Photochromic polydiorganosiloxane vinylic crosslinkers
    • Patent number 11,945,895
    • Issue date Apr 2, 2024
    • Alcon Inc.
    • Yuan Chang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Silicone hydrogel contact lenses
    • Patent number 11,802,182
    • Issue date Oct 31, 2023
    • Alcon Inc.
    • Steve Yun Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for producing photochromic contact lenses
    • Patent number 11,542,353
    • Issue date Jan 3, 2023
    • Alcon Inc.
    • Weihong Lang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for preparing silicone hydrogels
    • Patent number 11,433,629
    • Issue date Sep 6, 2022
    • Alcon Inc.
    • Weihong Lang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for making silicone hydrogel contact lenses
    • Patent number 11,427,685
    • Issue date Aug 30, 2022
    • Alcon Inc.
    • Daqing Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Silicone hydrogel contact lenses
    • Patent number 11,365,288
    • Issue date Jun 21, 2022
    • Alcon Inc.
    • Steve Yun Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Silicone hydrogel contact lenses
    • Patent number 11,346,982
    • Issue date May 31, 2022
    • Alcon Inc.
    • Daqing Wu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Silicone hydrogel contact lenses
    • Patent number 10,968,319
    • Issue date Apr 6, 2021
    • Alcon Inc.
    • Steve Yun Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Contact lenses with a lubricious coating thereon
    • Patent number 10,962,803
    • Issue date Mar 30, 2021
    • Alcon Inc.
    • Steve Yun Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Silicone hydrogel contact lenses
    • Patent number 10,875,967
    • Issue date Dec 29, 2020
    • Alcon Inc.
    • Steve Yun Zhang
    • G02 - OPTICS
  • Information Patent Grant

    Silicone hydrogel contact lenses
    • Patent number 10,866,344
    • Issue date Dec 15, 2020
    • Alcon Inc.
    • Daqing Wu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20240018309
    • Publication date Jan 18, 2024
    • Alcon Inc.
    • Steve Yun Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SANDWICH COLORED HYDROGEL CONTACT LENSES
    • Publication number 20230384482
    • Publication date Nov 30, 2023
    • Alcon Inc.
    • Robert Carey Tucker
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20220275154
    • Publication date Sep 1, 2022
    • Alcon Inc.
    • Steve Yun Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    PHOTOCHROMIC POLYDIORGANOSILOXANE VINYLIC CROSSLINKERS
    • Publication number 20210284778
    • Publication date Sep 16, 2021
    • Alcon Inc.
    • Yuan Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    PHOTOCHROMIC POLYDIORGANOSILOXANE VINYLIC CROSSLINKERS
    • Publication number 20210284806
    • Publication date Sep 16, 2021
    • Alcon Inc.
    • Yuan Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20210009762
    • Publication date Jan 14, 2021
    • Alcon Inc.
    • Steve Yun Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20210011197
    • Publication date Jan 14, 2021
    • Alcon Inc.
    • Daqing Wu
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR PRODUCING PHOTOCHROMIC CONTACT LENSES
    • Publication number 20200362082
    • Publication date Nov 19, 2020
    • Alcon Inc.
    • Weihong Lang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD FOR PREPARING SILICONE HYDROGELS
    • Publication number 20190366658
    • Publication date Dec 5, 2019
    • Alcon Inc.
    • Weihong Lang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    METHOD FOR MAKING SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20190300654
    • Publication date Oct 3, 2019
    • Alcon Inc.
    • Daqing Wu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20190263971
    • Publication date Aug 29, 2019
    • Novartis AG
    • Steve Yun Zhang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    CONTACT LENSES WITH A LUBRICIOUS COATING THEREON
    • Publication number 20190235277
    • Publication date Aug 1, 2019
    • Novartis AG
    • Steve Yun Zhang
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20180355112
    • Publication date Dec 13, 2018
    • Novartis AG
    • Steve Yun Zhang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    SILICONE HYDROGEL CONTACT LENSES
    • Publication number 20180356562
    • Publication date Dec 13, 2018
    • Novartis AG
    • Daqing Wu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL