Patents by Inventor Katharina Klein

Katharina Klein 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).

  • COLLOIDAL CARRIER SYSTEMS FOR TRANSFER OF AGENTS TO A DESIRED SITE OF ACTION
    Publication number: 20230143984
    Abstract: The present invention relates to a drug delivery composition comprising colloidal drug carriers, the composition and a polypeptide for use as a medicament, and in the treatment of neural and neurovascular diseases such as Alzheimer's diseases, and the use of colloidal drug carriers for the production of a drug delivery composition.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 11, 2023
    Inventors: Gert Fricker, Ulrike Müller, Tobias Köthe, Vicky Steubler, Susanne Katharina Klein
  • PBI MODIFICATION AND CROSS-LINKING METHODS
    Publication number: 20160108177
    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: December 22, 2015
    Publication date: April 21, 2016
    Inventors: Stephan Rüdiger BLUM, Katharina KLEIN, Wolfgang BREMSER
  • PBI modification and cross-linking methods
    Patent number: 9221951
    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: September 7, 2011
    Date of Patent: December 29, 2015
    Assignee: WHITEFOX TECHNOLOGIES LIMITED
    Inventors: Stephan Rüdiger Blum, Katharina Klein, Wolfgang Bremser
  • PBI MODIFICATION AND CROSS-LINKING METHODS
    Publication number: 20130237619
    Abstract: The present invention relates to a method for modifying and cross-linking polybenzimidazoles, PBI. 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: September 7, 2011
    Publication date: September 12, 2013
    Applicant: WHITEFOX TECHNOLOGIES LIMITED
    Inventors: Stephan Rüdiger Blum, Katharina Klein, Wolfgang Bremser