Patents by Inventor Fridtjof Schroeder

Fridtjof Schroeder 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
    Publication number: 20250236576
    Abstract: Described herein are methods for making intermediates useful in the production of fragrances. In particular, a photooxidation method is disclosed wherein the photooxidation takes place in the present of molecular oxygen and an aromatic solvent comprising a sensitizer.
    Type: Application
    Filed: March 15, 2023
    Publication date: July 24, 2025
    Inventors: Corinne BAUMGARTNER, Michael GEORGE, Martyn POLIAKOFF, Fridtjof SCHROEDER, Bryan TAMBOSCO
  • Process For Making Epoxide Derivatives of Farnesene and Use Thereof in Further Synthesis
    Publication number: 20240287010
    Abstract: Described herein are methods for making intermediates in the production of fragrance ingredients starting from ?-farnesene. In particular, methods for making acetylmethylfarnesol and hydroxy-farnesylacetone are described. Methods for making other intermediates in the process are also described. In addition, compositions comprising intermediates in the process and uses of the intermediates are described.
    Type: Application
    Filed: June 21, 2022
    Publication date: August 29, 2024
    Inventors: Giacomo PERSIANI, Corinne BAUMGARTNER, Thierry GRANIER, Martin LOVCHIK, Fridtjof SCHROEDER
  • Preparation of homoallylic compounds by reaction of cyclopropylvinyl precursors with bronstedt acids
    Patent number: 9884803
    Abstract: A method of forming homoallylic compounds 2 from cyclopropylvinyl precursors 1 in the presence of a Bronsted acid HQ
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: February 6, 2018
    Assignees: Givaudan SA, Amyris, Inc.
    Inventor: Fridtjof Schroeder
  • Organic compounds
    Patent number: 9718741
    Abstract: A process of converting a carbon-carbon multiple bond to a cyclopropane ring, comprising the addition of a N-alkyl-N-nitroso compound to a mixture of alkene precursor, aqueous base and Pd(II)-catalyst, with the N-alkyl-N-nitroso compound obtained directly from an alkyl amine derivative, NaNO2 and an acid via phase separation of the N-alkyl-N-nitroso compound from the aqueous phase.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: August 1, 2017
    Assignees: Givaudan, S.A., Amyris, Inc.
    Inventors: Fridtjof Schroeder, Fabian Ruethi
  • IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS
    Publication number: 20160280615
    Abstract: A process of converting a carbon-carbon multiple bond to a cyclopropane ring, comprising the addition of a N-alkyl-N-nitroso compound to a mixture of alkene precursor, aqueous base and Pd(II)-catalyst, with the N-alkyl-N-nitroso compound obtained directly from an alkyl amine derivative, NaNO2 and an acid via phase separation of the N-alkyl-N-nitroso compound from the aqueous phase.
    Type: Application
    Filed: October 24, 2014
    Publication date: September 29, 2016
    Applicants: Givaudan SA, Amyris Inc.
    Inventors: Fridtjof SCHROEDER, Fabian RUETHI
  • PREPARATION OF HOMOALLYLIC COMPOUNDS BY REACTION OF CYCLOPROPYLVINYL PRECURSORS WITH BRONSTEDT ACIDS
    Publication number: 20160251298
    Abstract: A method of forming homoallylic compounds 2 from cyclopropylvinyl precursors 1 in the presence of a Bronsted acid HQ
    Type: Application
    Filed: October 24, 2014
    Publication date: September 1, 2016
    Inventor: Fridtjof SCHROEDER
  • Process for the chemoselective reduction of terminally saturated carboxylic esters
    Patent number: 9193651
    Abstract: The chemoselective reduction of a carboxylic ester (I) to an alcohol by catalytic hydrogenation, in particular in the presence of a transition metal complex, more particularly in the presence of a ruthenium (II) complex is described.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: November 24, 2015
    Assignee: Givaudan S.A.
    Inventors: Roger Wilhelm Geisser, Andreas Goeke, Fridtjof Schroeder
  • PROCESS FOR THE CHEMOSELECTIVE REDUCTION OF TERMINALLY SATURATED CARBOXYLIC ESTERS
    Publication number: 20150152029
    Abstract: The chemoselective reduction of a carboxylic ester (I) to an alcohol by catalytic hydrogenation, in particular in the presence of a transition metal complex, more particularly in the presence of a ruthenium (II) complex is described.
    Type: Application
    Filed: May 16, 2013
    Publication date: June 4, 2015
    Inventors: Roger Wilhelm Geisser, Andreas Goeke, Fridtjof Schroeder