Patents by Inventor Angela Yuk Fungt Cheung

Angela Yuk Fungt Cheung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fire resistant glazing
    Patent number: 9109164
    Abstract: A transparent fire resistant glazing comprising an intumescent interlayer, wherein the intumescent interlayer comprises an alkali metal silicate and a foam improvement additive, wherein the foam improvement additive comprises a polymer and/or oligomer and/or salts thereof, wherein said polymer, oligomer and/or salts thereof each contain at least one organic moiety having at least one hydrogen-bondable functional group covalently attached thereto.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: August 18, 2015
    Assignee: Pilkington Group Limited
    Inventors: Angela Yuk Fungt Cheung, Karikath Sukumar Varma, David William Holden, John Richard Holland, Stephen Ian Bond
  • FIRE RESISTANT GLAZING
    Publication number: 20120208921
    Abstract: A transparent fire resistant glazing comprising an intumescent interlayer, wherein the intumescent interlayer comprises an alkali metal silicate and a foam improvement additive, wherein the foam improvement additive comprises a polymer and/or oligomer and/or salts thereof, wherein said polymer, oligomer and/or salts thereof each contain at least one organic moiety having at least one hydrogen-bondable functional group covalently attached thereto.
    Type: Application
    Filed: October 12, 2010
    Publication date: August 16, 2012
    Applicant: PILKINGTON GROUP LIMITED
    Inventors: Angela Yuk Fungt Cheung, Karikath Sukumar Varma, David William Holden, John Richard Holland, Stephen Ian Bond