Patents by Inventor Viktor ZIMMERMANN

Viktor ZIMMERMANN 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).

  • Process for production of new sulfolenic intermediates
    Patent number: 12479814
    Abstract: The present invention relates to a new process for the production of new specific intermediates, which are preferably used in the production of vitamin A, vitamin A acetate, or ?-carotene and derivatives thereof, e.g. canthaxanthin, astaxanthin or zeaxanthin.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: November 25, 2025
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Marc-André Mueller, Bettina Wuestenberg, Viktor Zimmermann
  • Process for production of vitamin A
    Patent number: 12410117
    Abstract: The present invention relates to a new process for the production of vitamin A and/or its derivatives.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: September 9, 2025
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Marc-André Mueller, Bettina Wuestenberg, Viktor Zimmermann
  • Dehydrogenation process
    Patent number: 12258311
    Abstract: The present invention relates to a new compound and the dehydrogenation of that compound to produce retinal.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: March 25, 2025
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Marc-André Mueller, Bettina Wuestenberg, Viktor Zimmermann
  • PROCESS FOR PRODUCTION OF VITAMIN A
    Publication number: 20250034087
    Abstract: The present invention relates to a new process for the production of vitamin A and/or its derivatives.
    Type: Application
    Filed: November 23, 2022
    Publication date: January 30, 2025
    Inventors: Werner BONRATH, Jonathan Alan MEDLOCK, Marc-André MUELLER, Marcel STETTLER, Bettina WUESTENBERG, Viktor ZIMMERMANN
  • Process for the production of retinal
    Patent number: 12139452
    Abstract: The present invention relates to a new process for the production of retinal or hydrogenated form of retinal.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: November 12, 2024
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Marc-André Mueller, Bettina Wuestenberg, Viktor Zimmermann
  • PROCESS FOR PRODUCTION OF NEW SULFOLENIC INTERMEDIATES
    Publication number: 20230142429
    Abstract: The present invention relates to a new process for the production of new specific intermediates, which are preferably used in the production of vitamin A, vitamin A acetate, or ?-carotene and derivatives thereof, e.g. canthaxanthin, astaxanthin or zeaxanthin.
    Type: Application
    Filed: March 22, 2021
    Publication date: May 11, 2023
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG, Viktor ZIMMERMANN
  • PROCESS FOR PRODUCTION OF VITAMIN A
    Publication number: 20230125156
    Abstract: The present invention relates to a new process for the production of vitamin A and/or its derivatives.
    Type: Application
    Filed: March 22, 2021
    Publication date: April 27, 2023
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG, Viktor ZIMMERMANN
  • DEHYDROGENATION PROCESS
    Publication number: 20230068017
    Abstract: The present invention relates to a new compound and the dehydrogenation of that compound to produce retinal.
    Type: Application
    Filed: December 15, 2020
    Publication date: March 2, 2023
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG, Viktor ZIMMERMANN
  • NEW PROCESS FOR THE PRODUCTION OF RETINAL
    Publication number: 20220204445
    Abstract: The present invention relates to a new process for the production of retinal or hydrogenated form of retinal.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 30, 2022
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG, Viktor ZIMMERMANN