Patents by Inventor Johan Anders Wennerberg

Johan Anders Wennerberg 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).

  • Publication number: 20200407385
    Abstract: A process is provided for the production of bis-choline tetrathiomolybdate, the process comprising reacting a choline salt with ammonium tetrathiomolybdate, wherein the choline salt is a hydroxide, acetate, or halide choline salt, wherein the process comprises: combining the choline salt with a first mixture of ammonium tetrathiomolybdate in water, wherein a molar excess of choline salt to ammonium tetrathiomolybdate is used, for a first reaction period to provide a first reaction mixture; subjecting the first reaction mixture to a reduced pressure for a second reaction period to provide a second reaction mixture; and, isolating bis-choline tetrathiomolybdate from the second reaction mixture, wherein isolating bis-choline tetrathiomolybdate comprises adding ethanol to the second reaction mixture.
    Type: Application
    Filed: February 15, 2019
    Publication date: December 31, 2020
    Inventors: Johan Anders WENNERBERG, Hans Roger Marcus MÅRTENSSON
  • Patent number: 10287316
    Abstract: The present invention provides a process for the production of compound (III) or a deprotected product thereof: comprising reacting compound (II) with chloroacetic acid, in the presence of a reducing agent; wherein PG is a protecting group and R is OH in a suitably protected form or (A). The invention further provides intermediate compounds formed in the process of the invention, and processes for the production of intermediate compounds.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: May 14, 2019
    Assignee: Oncopeptides AB
    Inventors: Niklas Håkan Wahlström, Johan Anders Wennerberg
  • Publication number: 20180148473
    Abstract: The present invention provides a process for the production of compound (III) or a deprotected product thereof: comprising reacting compound (II) with chloroacetic acid, in the presence of a reducing agent; wherein PG is a protecting group and R is OH in a suitably protected form or (A). The invention further provides intermediate compounds formed in the process of the invention, and processes for the production of intermediate compounds.
    Type: Application
    Filed: May 6, 2016
    Publication date: May 31, 2018
    Applicant: Oncopeptides AB
    Inventors: Niklas Håkan Wahlström, Johan Anders Wennerberg