Patents by Inventor Jean-Jacques Gulka

Jean-Jacques Gulka 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).

  • Stable aqueous suspension concentrate for delivery of UV-labile water-insoluble biocides
    Patent number: 9044010
    Abstract: A stable, aqueous suspension concentrate which includes a solid polymeric dispersant comprising one or more anionic polymeric dispersing agents, optionally a co-dispersant which preferably is a homopolymer and/or a copolymer of a heterocyclic vinyl lactam, preferably in a wt. ratio of 0.1:1 to 1:0.1, a UV-labile, water-insoluble biocide active, and a UV-blocker or UV-absorber to stabilize said active upon storage and/or exposure to sunlight or UV radiation.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: June 2, 2015
    Assignee: ISP Investments Inc.
    Inventors: Xianbin Liu, Karen Winkowski, Kolazi S. Narayanan, Jean-Jacques Gulka
  • STABLE AQUEOUS SUSPENSION CONCENTRATE FOR DELIVERY OF UV-LABILE WATER-INSOLUBLE BIOCIDES
    Publication number: 20110081555
    Abstract: A stable, aqueous suspension concentrate which includes a solid polymeric dispersant comprising one or more anionic polymeric dispersing agents, optionally a co-dispersant which preferably is a homopolymer and/or a copolymer of a heterocyclic vinyl lactam, preferably in a wt. ratio of 0.1:1 to 1:0.1, a UV-labile, water-insoluble biocide active, and a UV-blocker or UV-absorber to stabilize said active upon storage and/or exposure to sunlight or UV radiation.
    Type: Application
    Filed: December 13, 2010
    Publication date: April 7, 2011
    Applicant: ISP INVESTMENTS INC.
    Inventors: Xianbin Liu, Karen Winkowski, Kolazi S. Narayanan, Jean-Jacques Gulka