Patents by Inventor Marcel Joray

Marcel Joray 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).

  • Synthesis of alkyl 2-acetyl-5,9,13-trimethyltetradeca-4,8,12-trienoates and derivatives by a non-continuous production process
    Patent number: 11274071
    Abstract: The present invention relates to the manufacturing of a process of alkyl 2-acetyl-5,9,13-trimethyltetradeca-4,8,12-trienoates and alkyl 2-acetyl-9,13-di-methyl-5-methylenetetradeca-8,12-dienoate as well as 6,10,14-trimethylpenta-deca-5,9,13-trien-2-one and 10,14-dimethyl-6-methylenepentadeca-9,13-dien-2-5 one and 6,10,14-trimethylpentadecan-2-one.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: March 15, 2022
    Assignee: DSM IP ASSETS B.V.
    Inventors: Marcel Joray, René Tobias Stemmler
  • 6-chromanol derivatives and their synthesis
    Patent number: 11078178
    Abstract: The present invention relates to novel compounds which are particularly useful for the synthesis of novel chromanol derivatives. These compounds have interesting properties. Particularly, the novel chromanol derivatives have interesting antioxidant properties as well as flavours and fragrances.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: August 3, 2021
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Werner Bonrath, Jan-Marc Delpho, Marcel Joray, Jonathan Alan Medlock, Thomas Netscher, Domenico Soriano, René Tobias Stemmler
  • Process for the preparation of hydroxytyrosol
    Patent number: 8017815
    Abstract: Process for the preparation of hydroxytyrosol, characterized by reacting 4-chloroacetyl-catechol with a metal formate and formic acid in an aqueous solvent optionally containing a lower alkanol and catalytically hydrogenating the 4-hydroxyacetyl-catechol obtained in the presence of a precious metal, preferably on a carrier.
    Type: Grant
    Filed: February 28, 2008
    Date of Patent: September 13, 2011
    Assignee: DSM IP Assets B.V.
    Inventors: Manfred Breuninger, Marcel Joray
  • PROCESS FOR THE PREPARATION OF HYDROXYTYROSOL
    Publication number: 20100324343
    Abstract: Process for the preparation of hydroxytyrosol, characterized by reacting 4-chloroacetyl-catechol with a metal formate and formic acid in an aqueous solvent optionally containing a lower alkanol and catalytically hydrogenating the 4-hydroxyacetyl-catechol obtained in the presence of a precious metal, preferably on a carrier.
    Type: Application
    Filed: February 28, 2008
    Publication date: December 23, 2010
    Inventors: Manfred Breuninger, Marcel Joray