Patents by Inventor Marc-André Mueller

Marc-André Mueller 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 the preparation of intermediates for the synthesis of vitamin A derivatives from polyenes by cyclisation
    Patent number: 11958797
    Abstract: The application relates to a process for the preparation of a compound of formula (II) by cyclisation of a polyene of formula (I), and to an intermediate of formula (III). The obtained compounds are useful intermediates in the preparation of specific isoprenoids, preferably in the production of vitamin A and derivatives of vitamin A.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: April 16, 2024
    Assignee: DSM IP ASSETS B.V.
    Inventors: Fabrice Aquino, Werner Bonrath, Marc-André Mueller, Bettina Wuestenberg
  • PROCESS FOR PRODUCTION OF INTERMEDIATES
    Publication number: 20240092753
    Abstract: The present invention relates to a new process for the production of 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: January 14, 2022
    Publication date: March 21, 2024
    Inventors: Werner BONRATH, Jonathan Alan MEDLOCK, Marc-André MUELLER, Bettina WUESTENBERG
  • Specific dehydrogenation process (I)
    Patent number: 11851402
    Abstract: The present invention relates to a new dehydrogenation process of specific compounds.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: December 26, 2023
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Marc-André Mueller, Bettina Wuestenberg
  • 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
  • PROCESS FOR PRODUCTION OF INTERMEDIATES
    Publication number: 20230192605
    Abstract: The present invention relates to a new process for the production of specific intermediates, which are preferably used in the production of vitamin A and/or vitamin A acetate.
    Type: Application
    Filed: March 22, 2021
    Publication date: June 22, 2023
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG
  • 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
  • FUNCTIONALISATION OF 1,3-ALPHA-DIENES (I)
    Publication number: 20230090098
    Abstract: The present invention relates to the functionalisation of specific 1,3-alpha-dienes. These functionalized 1,3-alpha-dienes are important intermediates in organic synthe-sis (especially in the synthesis of carotenoids, vitamin A and/or vitamin A derivatives).
    Type: Application
    Filed: December 15, 2020
    Publication date: March 23, 2023
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG
  • FUNCTIONALISATION OF 1,3-ALPHA-DIENES (II)
    Publication number: 20230067679
    Abstract: The present invention relates to the functionalisation of specific 1,3-alpha-dienes (by hydroboration). These functionalized 1,3-alpha-dienes are important intermediates in organic synthesis (especially in the synthesis of carotenoids, vitamin A and/or vitamin A derivatives).
    Type: Application
    Filed: December 15, 2020
    Publication date: March 2, 2023
    Inventors: Werner BONRATH, Felix IMBERI, Marc-André MUELLER, Bettina WUESTENBERG
  • 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
  • NOVEL ENOL-ACETATES(II)
    Publication number: 20220220071
    Abstract: The present invention relates to new specific enol esters of formula (I) as well as to a process for their production by acylation of the corresponding dihydroretinal analogue. In formula (I) R is —COR? where R? is a C1-C16 alkyl group.
    Type: Application
    Filed: April 3, 2020
    Publication date: July 14, 2022
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG, Florian ZIEGLER
  • PROCESS FOR THE PREPARATION OF INTERMEDIATES FOR THE SYNTHESIS OF VITAMIN A DERIVATIVES FROM POLYENES BY CYCLISATION
    Publication number: 20220204434
    Abstract: The application relates to a process for the preparation of a compound of formula (II) by cyclisation of a polyene of formula (I), and to an intermediate of formula (III). The obtained compounds are useful intermediates in the preparation of specific isoprenoids, preferably in the production of vitamin A and derivatives of vitamin A.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 30, 2022
    Inventors: Fabrice AQUINO, Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG
  • 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
  • SPECIFIC DEHYDROGENATION PROCESS (I)
    Publication number: 20220194891
    Abstract: The present invention relates to a new dehydrogenation process of specific compounds.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 23, 2022
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG
  • NOVEL ENOL-ACETATES
    Publication number: 20220194897
    Abstract: The present invention relates to new specific enol esters of formula (I) as well as to a process for their production. In formula (I) R is COR? where R? is a C1-C16 alkyl group.
    Type: Application
    Filed: April 3, 2020
    Publication date: June 23, 2022
    Inventors: Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG, Florian ZIEGLER
  • 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
  • PROCESS FOR THE PRODUCTION OF SPRINGENE
    Publication number: 20200399189
    Abstract: The application relates to a process for the production of alpha-springene (formula (I)) and beta-springene (formula (II)) from geranyl geranyl acetate (formula (III)).
    Type: Application
    Filed: March 6, 2019
    Publication date: December 24, 2020
    Inventors: Raphael BEUMER, Werner BONRATH, Marc-André MUELLER, Bettina WUESTENBERG
  • 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