Patents by Inventor Nayereh Mohebbati

Nayereh Mohebbati 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).

  • Preparation of polysiloxane polyalkyleneglycol brush copolymers
    Patent number: 11879037
    Abstract: The present invention relates a hydroxyl-functionalized unimodal polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)]s, wherein: A represents said polysiloxane backbone; B represents said polyalkyleneglycol side chain; X is a linker group characterized by including the moiety Si—C—C— of which said Si is a part of the polysiloxane backbone A; and s is an integer of from 1 to 100, wherein the polysiloxane backbone A contains less than 500 ppm mol % of SiH moiety based on the total moles of the silicon atom which constitutes the polysiloxane backbone, and said copolymer has a polydispersity index of from 1.3 to 5.0; and a method for producing said hydroxyl-functionalized unimodal polysiloxane polyalkyleneglycol brush copolymer.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: January 23, 2024
    Assignee: Henkel AG & Co. KGaA
    Inventors: Andrea Gutacker, Johann Klein, Annika Dietrich, Esteban Mejia, Therese Hemery, Nayereh Mohebbati
  • Preparation of Polysiloxane Polyalkyleneglycol Brush Copolymers
    Publication number: 20210292488
    Abstract: The present invention relates a hydroxyl-functionalized unimodal polysiloxane polyalkyleneglycol brush copolymer of the structure [A(-X—B)]s, wherein: A represents said polysiloxane backbone; B represents said polyalkyleneglycol side chain; X is a linker group characterized by including the moiety Si—C—C— of which said Si is a part of the polysiloxane backbone A; and s is an integer of from 1 to 100, wherein the polysiloxane backbone A contains less than 500 ppm mol % of SiH moiety based on the total moles of the silicon atom which constitutes the polysiloxane backbone, and said copolymer has a polydispersity index of from 1.3 to 5.0; and a method for producing said hydroxyl-functionalized unimodal polysiloxane polyalkyleneglycol brush copolymer.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Inventors: Andrea Gutacker, Johann Klein, Annika Dietrich, Esteban Mejia, Therese Hemery, Nayereh Mohebbati