Patents by Inventor Katharina Kleine

Katharina Kleine 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).

  • PBI MODIFICATION AND CROSS-LINKING METHODS
    Publication number: 20200071465
    Abstract: The present disclosure provides methods for modifying and cross-linking polybenzimidazoles, PBI. In one embodiment, the polybenzimidazole reacts with a compound, which has a halogen and a double bond functionality and which comprises a halogen and an organic group to form modified polymers by means of a nucleophilic substitution of the amine proton of the benzimidazole functionality in a solution, and a functional group is connected via each resulting free double bond and/or the polymers that are thus modified are cross-linked.
    Type: Application
    Filed: November 11, 2019
    Publication date: March 5, 2020
    Applicant: WHITEFOX TECHNOLOGIES LIMITED
    Inventors: Stephan Rüdiger BLUM, Katharina KLEINE, Wolfgang BREMSER
  • PBI modification and cross-linking methods
    Patent number: 10472468
    Abstract: The present disclosure provides methods for modifying and cross-linking polybenzimidazoles, PBI. In one embodiment, the polybenzimidazole reacts with a compound, which has a halogen and a double bond functionality and which comprises a halogen and an organic group to form modified polymers by means of a nucleophilic substitution of the amine proton of the benzimidazole functionality in a solution, and a functional group is connected via each resulting free double bond and/or the polymers that are thus modified are cross-linked.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: November 12, 2019
    Assignee: WHITEFOX TECHNOLOGIES LIMITED
    Inventors: Stephan Rüdiger Blum, Katharina Kleine, Wolfgang Bremser
  • PBI MODIFICATION AND CROSS-LINKING METHODS
    Publication number: 20180155499
    Abstract: The present disclosure provides methods for modifying and cross-linking polybenzimidazoles, PBI. In one embodiment, the polybenzimidazole reacts with a compound, which has a halogen and a double bond functionality and which comprises a halogen and an organic group to form modified polymers by means of a nucleophilic substitution of the amine proton of the benzimidazole functionality in a solution, and a functional group is connected via each resulting free double bond and/or the polymers that are thus modified are cross-linked.
    Type: Application
    Filed: January 22, 2018
    Publication date: June 7, 2018
    Applicant: WHITEFOX TECHNOLOGIES LIMITED
    Inventors: Stephan Rüdiger BLUM, Katharina KLEINE, Wolfgang BREMSER
  • PBI modification and cross-linking methods
    Patent number: 9873768
    Abstract: The present disclosure provides methods for modifying and cross-linking polybenzimidazoles, PBI. In one embodiment, the polybenzimidazole reacts with a compound, which has a halogen and a double bond functionality and which comprises a halogen and an organic group to form modified polymers by means of a nucleophilic substitution of the amine proton of the benzimidazole functionality in a solution, and a functional group is connected via each resulting free double bond and/or the polymers that are thus modified are cross-linked.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: January 23, 2018
    Assignee: WHITEFOX TECHNOLOGIES LIMITED
    Inventors: Stephan Rüdiger Blum, Katharina Kleine, Wolfgang Bremser