Patents by Inventor Dan KAI

Dan KAI 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).

  • Copolymer comprising a lignin or lignin derivative and a poly(alkylene oxide) alkyl ether (meth)acrylate, and a hydrogel comprising the copolymer
    Patent number: 10683382
    Abstract: A copolymer comprising an oxygenated polyaromatic alcohol and a poly (alkylene oxide) alkyl ether (meth)acrylate is disclosed, wherein the oxygenated polyaromatic alcohol is preferably lignin or lignin derivative. A hydrogel comprising the copolymer and a cyclic oligosaccharide such as ?-cyclodextrin is also disclosed, which can be used in biomedical or personal care industries, for example as a carrier for an active agent.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: June 16, 2020
    Assignee: AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
    Inventors: Dan Kai, Xian Jun Loh
  • A COPOLYMER COMPRISING A LIGNIN OR LIGNIN DERIVATIVE AND A POLY(ALKYLENE OXIDE) ALKYL ETHER (METH)ACRYLATE, AND A HYDROGEL COMPRISING THE COPOLYMER
    Publication number: 20180030192
    Abstract: A copolymer comprising an oxygenated polyaromatic alcohol and a poly (alkylene oxide) alkyl ether (meth)acrylate is disclosed, wherein the oxygenated polyaromatic alcohol is preferably lignin or lignin derivative. A hydrogel comprising the copolymer and a cyclic oligosaccharide such as ?-cyclodextrin is also disclosed, which can be used in biomedical or personal care industries, for example as a carrier for an active agent.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 1, 2018
    Inventors: Dan KAI, Xian Jun LOH