Patents by Inventor Bettina WÜESTENBERG

Bettina WÜESTENBERG 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).

  • Intermediates for the vitamin A synthesis
    Patent number: 11851404
    Abstract: Processes for synthesizing new compounds that may usefully be employed in organic synthesis, especially in the synthesis of vitamin A or ?-carotene and derivatives thereof, e.g. canthaxanthin, astaxanthin or zeaxanthin are disclosed. The new compounds are especially useful as intermediates (building blocks) in the synthesis of vitamin A or ?-carotene, preferably vitamin A.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: December 26, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Werner Bonrath, Marc-André Mueller, Bettina Wüestenberg
  • INTERMEDIATES FOR THE VITAMIN A SYNTHESIS
    Publication number: 20220169590
    Abstract: Processes for synthesizing new compounds that may usefully be employed in organic synthesis, especially in the synthesis of vitamin A or ?-carotene and derivatives thereof, e.g. canthaxanthin, astaxanthin or zeaxanthin are disclosed. The new compounds are especially useful as intermediates (building blocks) in the synthesis of vitamin A or ?-carotene, preferably vitamin A.
    Type: Application
    Filed: February 18, 2022
    Publication date: June 2, 2022
    Inventors: Raphael BEUMER, Werner BONRATH, Marc-André MUELLER, Bettina WÜESTENBERG
  • Process for the production of beta-springene
    Patent number: 11136277
    Abstract: The present invention relates to a process for the production of ?-springene of formula (I) wherein a compound of formula (II) is heated in the presence of a catalyst.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: October 5, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Werner Bonrath, Marc-André Mueller, Bettina Wüestenberg
  • NEW INTERMEDIATES FOR THE VITAMIN A SYNTHESIS
    Publication number: 20200283368
    Abstract: The present invention relates to the compound of formula (I). The invention further relates to the compound of formula (II). The invention further relates to the synthesis of these compounds as well as to their use in organic synthesis, especially in the synthesis of vitamin A or p-carotene and derivatives thereof, e.g. canthaxanthin, astaxanthin or zeaxanthin.
    Type: Application
    Filed: September 13, 2018
    Publication date: September 10, 2020
    Inventors: Raphael BEUMER, Werner BONRATH, Marc-André MUELLER, Bettina WÜESTENBERG
  • NEW PROCESS FOR THE PRODUCTION OF BETA-SPRINGENE
    Publication number: 20200277244
    Abstract: The present invention relates to a process for the production of ?-springene of formula (I) wherein a compound of formula (II) is heated in the presence of a catalyst.
    Type: Application
    Filed: September 13, 2018
    Publication date: September 3, 2020
    Inventors: Raphael BEUMER, Werner BONRATH, Marc-André MUELLER, Bettina WÜESTENBERG