Augustine Twum Kumi

Person

  • Grayson, GA, US

Patents Grantslast 30 patents

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

    COLORED COSMETIC PHOTOCHROMIC CONTACT LENSES

    • Publication number 20220365371
    • Publication date Nov 17, 2022
    • Alcon Inc.
    • Junhao Ge
    • G02 - OPTICS
  • Information Patent Application

    METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

    • Publication number 20220339895
    • Publication date Oct 27, 2022
    • Alcon Inc.
    • Yuan Chang
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    METHOD FOR MAKING EMBEDDED HYDROGEL CONTACT LENSES

    • Publication number 20220326412
    • Publication date Oct 13, 2022
    • Alcon Inc.
    • Yuan Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    EMBEDDED HYDROGEL CONTACT LENSES

    • Publication number 20220324187
    • Publication date Oct 13, 2022
    • Alcon Inc.
    • Zahra Bassampour
    • G02 - OPTICS
  • 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

    METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

    • Publication number 20220137433
    • Publication date May 5, 2022
    • Alcon Inc.
    • Yuan Chang
    • G02 - OPTICS
  • Information Patent Application

    METHOD FOR MAKING PHOTOCHROMIC CONTACT LENSES

    • Publication number 20220126541
    • Publication date Apr 28, 2022
    • Alcon Inc.
    • Junhao Ge
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • 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

    OPHTHALMIC COMPOSITIONS

    • Publication number 20200405747
    • Publication date Dec 31, 2020
    • Alcon Inc.
    • Steve Yun Zhang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    METHOD FOR PRODUCING SILICONE HYDROGEL CONTACT LENSES

    • Publication number 20190366660
    • Publication date Dec 5, 2019
    • Alcon Inc.
    • Junhao Ge
    • 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

    METHOD FOR PRODUCING SILICONE HYDROGEL CONTACT LENSES

    • Publication number 20180354214
    • Publication date Dec 13, 2018
    • Novartis AG
    • Daqing Wu
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • 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