Patents by Inventor Kien Ben LiEW

Kien Ben LiEW 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).

  • Patent number: 11470897
    Abstract: A semi transparent nitrile glove comprising nitrile latex, caustic alkali, accelerators, vulcanizing agents, stabilizer and antifoaming agent, wherein the nitrile latex is any one selected from either acrylonitrile butadiene copolymer or carboxylated acrylonitrile butadiene copolymer, wherein the caustic alkali is a combination of either potassium hydroxide and ammonia or sodium hydroxide and ammonia, wherein the accelerators are chemical compounds of dithiocarbamates, wherein the vulcanizing agents are selected from both ionic and covalent vulcanizing agents, wherein the stabilizer is any one of either sodium dodecylbenzene sulfonate or sodium dodecyl sulfate and wherein the antifoaming agent is any one from a group consisting of silicone based antifoam, non-silicone based antifoam, oil based antifoam and water based antifoam wherein the semi transparent glove is without pigment and without titanium dioxide.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: October 18, 2022
    Assignee: Top Glove International SDN. BHD.
    Inventors: Chong Ban Wong, Keuw Wei Lim, Kien Ben Liew, Chee Kin Phang
  • Publication number: 20210169160
    Abstract: A semi transparent nitrile glove comprising nitrile latex, caustic alkali accelerators, vulcanizing agents, stabilizer and antifoaming agent, wherein the nitrile latex is any one selected from either acrylonitrile butadiene copolymer or carboxylated acrylonitrile butadiene copolymer, wherein the caustic alkali is a combination of either potassium hydroxide and ammonia or sodium hydroxide and ammonia, wherein the accelerators are chemical compounds of dithiocarbamates, wherein the vulcanizing agents are selected from both ionic and covalent vulcanizing agents, wherein the stabilizer is any one of either sodium dodecylbenzene sulfonate or sodium dodecyl sulfate and wherein the antifoaming agent is any one from a group consisting of silicone based antifoam, non-silicone based antifoam, oil based antifoam and water based antifoam wherein the semi transparent glove is without pigment and without titanium dioxide.
    Type: Application
    Filed: December 19, 2018
    Publication date: June 10, 2021
    Applicant: TOP GLOVE INTERNATIONAL SDN. BHD
    Inventors: Chong Ban WONG, Keuw Wei LIM, Kien Ben LiEW, Chee Kin PHANG