Patents by Inventor Djurre Sijbren Postma

Djurre Sijbren Postma 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).

  • MICROCAPSULE COMPOSITIONS STABILIZED WITH VISCOSITY CONTROL AGENTS
    Publication number: 20210268467
    Abstract: Disclosed are microcapsule compositions each comprising a microcapsule suspended in an aqueous phase and a viscosity control agent, wherein the viscosity control agent is an acrylate copolymer, a cationic acrylamide copolymer, or a polysaccharide. Also disclosed are consumer products containing such a microcapsule composition.
    Type: Application
    Filed: May 7, 2021
    Publication date: September 2, 2021
    Inventors: Djurre Sijbren POSTMA, Yabin LEI, Hui Min LEE, Daniel Kaiping LEE
  • MICROCAPSULE COMPOSITIONS STABILIZED WITH VISCOSITY CONTROL AGENT
    Publication number: 20190270064
    Abstract: Disclosed are microcapsule compositions each comprising a microcapsule suspended in an aqueous phase and a viscosity control agent, wherein the viscosity control agent is an acrylate copolymer, a cationic acrylamide copolymer, or a polysaccharide. Also disclosed are consumer products containing such a microcapsule composition.
    Type: Application
    Filed: September 15, 2017
    Publication date: September 5, 2019
    Applicant: International Flavors & Fragrances Inc.
    Inventors: Djurre Sijbren POSTMA, Yabin LEI, Hui Min LEE, Daniel Kaiping LEE
  • Stabilized capsule compositions
    Patent number: 9816059
    Abstract: A capsule composition containing a capsule and a stabilizing agent. The capsule has an oil core containing an active material and a capsule wall encapsulating the oil core. The active material is a fragrance, a flavor, a malodor counteractant, or a combination thereof. The wall is formed of polyurea or polyurethane. The capsule composition has 20 ppm or greater of the stabilizing agent, which is a multi-functional amine, an amino acid, a polymer mixture, or a combination thereof. Also disclosed is a consumer product containing this capsule composition.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: November 14, 2017
    Assignee: INTERNATIONAL FLAVORS & FRAGRANCES
    Inventors: Volkert de Villeneuve, Djurre Sijbren Postma, Elizabeth Geertruida Maria Brundel, John Brahms, Li Xu, Joan G. L. Pluter, Laura French, Yabin Lei, Lewis Michael Popplewell, Xiao Huang
  • STABILIZED CAPSULE COMPOSITIONS
    Publication number: 20150252312
    Abstract: A capsule composition containing a capsule and a stabilizing agent. The capsule has an oil core containing an active material and a capsule wall encapsulating the oil core. The active material is a fragrance, a flavor, a malodor counteractant, or a combination thereof. The wall is formed of polyurea or polyurethane. The capsule composition has 20 ppm or greater of the stabilizing agent, which is a multi-functional amine, an amino acid, a polymer mixture, or a combination thereof. Also disclosed is a consumer product containing this capsule composition.
    Type: Application
    Filed: December 22, 2014
    Publication date: September 10, 2015
    Applicant: INTERNATIONAL FLAVORS & FRAGRANCES INC.
    Inventors: Volkert de Villeneuve, Djurre Sijbren Postma, Elizabeth Geertruida Maria Brundel, John Brahms, Li Xu, Johan G.L. Pluter, Laura French, Yabin Lei, Lewis Michael Popplewell, Xiao Huang