Patents by Inventor Johannes Tschumi

Johannes Tschumi 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).

  • Flavor and fragrance formulation (V)
    Patent number: 9944585
    Abstract: The present invention relates to the use of a specific organic compound as flavor and fragrance material. Furthermore the invention relates to flavor and fragrance formulations comprising such a specific organic compound.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: April 17, 2018
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • Process of production of dehydrolinalyl acetate (II)
    Patent number: 9790164
    Abstract: The present invention is related to a novel and improved process for the production of dehydrolinalyl acetate (DLA), which IUPAC name is acetic acid 1-ethynyl-1,5-dimethyl-hex-4-enyl ester, starting from dehydrolinalool (DLL), which IUPAC name is 3,7-dimethyloct-6-en-1-yn-3-ol, by acetylation.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: October 17, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Fabrice Aquino, Johannes Tschumi
  • (6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10,14 trimetylpentadeca-5,9,13-trien-2-one or 6,10,14-trimetylpentadeca-5,9-dien-2-one
    Patent number: 9611200
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimethylpentadecan-2-one in a multistep synthesis from a mixture of (5E,9E)-, (5E,9Z)-, (5Z,9E)- and (5Z.9Z)-isomers of 6,10,14-trimethylpentadeca-5,9,13-trien-2-one or 6,10,14-trimethylpentadeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: April 4, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, René Tobias Stemmler, Johannes Tschumi, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Flavor and fragrance formulation (III)
    Patent number: 9567286
    Abstract: The present invention relates to the use of specific organic compounds as flavor and fragrance material. Furthermore the invention relates to new specific organic compounds, as well as to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: February 14, 2017
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • Process of production of dehydrolinalyl acetate (I)
    Patent number: 9505699
    Abstract: The present invention is related to a novel and improved process for the production of dehydrolinalyl acetate (DLA), which IUPAC name is acetic acid 1-ethynyl-1,5-dimethyl-hex-4-enyl ester, starting from dehydrolinalool (DLL), which IUPAC name is 3,7-dimethyloct-6-en-1-yn-3-ol, by catalytic acetylation.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: November 29, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Johannes Tschumi, Fabrice Aquino
  • FLAVOR AND FRAGRANCE FORMULATION (VII)
    Publication number: 20160340285
    Abstract: The present invention relates to the use of a specific organic compound as flavor and fragrance material. Furthermore the invention relates to flavor and fragrance formulations comprising such a specific organic compound of formula (I).
    Type: Application
    Filed: January 30, 2015
    Publication date: November 24, 2016
    Inventors: Ralf PROPLESCH, Johannes TSCHUMI, Raphael BEUMER
  • Flavor and fragrance formulation (II)
    Patent number: 9468594
    Abstract: The present invention relates to the use of specific organic compounds as flavor and fragrance material. Furthermore the invention relates to a new specific organic compound, as well as to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: October 18, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • (6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one
    Patent number: 9452961
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimetylpentadecan-2-one in a multistep synthesis from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: September 27, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Werner Bonrath, Thomas Netscher, Jonathan Alan Medlock, René Tobias Stemmler, Johannes Tschumi, Gerardus Karel Maria Verzijl, Andreas Hendrikus Maria De Vries
  • Flavor and fragrance formulation (VI)
    Patent number: 9434676
    Abstract: The present invention relates to the use of specific organic compounds of formula (I) as flavor and fragrance material. Furthermore the invention relates to a new specific organic compound, as well as to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: September 6, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • PROCESS OF PRODUCTION OF DEHYDROLINALYL ACETATE (II)
    Publication number: 20160122277
    Abstract: The present invention is related to a novel and improved process for the production of dehydrolinalyl acetate (DLA), which 1UPAC name is acetic acid 1-ethynyl-1,5-dimethyl-hex-4-enyl ester, starting from dehydrolinalool (DLL), which 1UPAC name is 3,7-dimethyloct-6-en-1-yn-3-ol, by acetylation.
    Type: Application
    Filed: May 7, 2014
    Publication date: May 5, 2016
    Applicant: DSM IP ASSETS B.V.
    Inventors: Werner BONRATH, Fabrice AQUINO, Johannes TSCHUMI
  • PROCESS OF PRODUCTION OF DEHYDROLINALYL ACETATE (I)
    Publication number: 20160075632
    Abstract: The present invention is related to a novel and improved process for the production of dehydrolinalyl acetate (DLA), which IUPAC name is acetic acid 1-ethynyl-1,5-dimethyl-hex-4-enyl ester, starting from dehydrolinalool (DLL), which IUPAC name is 3,7-dimethyloct-6-en-1-yn-3-ol, by catalytic acetylation.
    Type: Application
    Filed: May 7, 2014
    Publication date: March 17, 2016
    Inventors: Werner BONRATH, Johannes TSCHUMI, Fabrice AQUINO
  • Process for the production of 2-alkyl-3-butyn-2-ols
    Patent number: 9255050
    Abstract: The present invention relates to an improved process for the production of 2-alkyl-3-butin-2-ols; especially to a new purification step.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: February 9, 2016
    Assignee: DSM IP ASSETS B.V.
    Inventor: Johannes Tschumi
  • PROCESS FOR THE PRODUCTION OF 2-ALKYL-3-BUTYN-2-OLS
    Publication number: 20150336863
    Abstract: The present invention relates to an improved process for the production of 2-alkyl-3-butin-2-ols; especially to a new purification step.
    Type: Application
    Filed: January 23, 2014
    Publication date: November 26, 2015
    Inventor: Johannes TSCHUMI
  • (6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10-DIMETYLUNDEC-5-EN-2-ONE OR 6,10-DIMETYLUNDECA-5,9-DIEN-2-ONE
    Publication number: 20150329457
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimetylpentadecan-2-one in a multistep synthesis from 6,10-dimetylundec-5-en-2-one or 6,10-dimetylundeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 19, 2015
    Applicant: DSM IP ASSETS B.V.
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, René Tobias STEMMLER, Johannes TSCHUMI, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • (6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10,14 TRIMETYLPENTADECA-5,9,13-TRIEN-2-ONE OR 6,10,14-TRIMETYLPENTADECA-5,9-DIEN-2-ONE
    Publication number: 20150329456
    Abstract: The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimethylpentadecan-2-one in a multistep synthesis from a mixture of (5E,9E)-, (5E,9Z)-, (5Z,9E)- and (5Z.9Z)-isomers of 6,10,14-trimethylpentadeca-5,9,13-trien-2-one or 6,10,14-trimethylpentadeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
    Type: Application
    Filed: December 18, 2013
    Publication date: November 19, 2015
    Inventors: Werner BONRATH, Thomas NETSCHER, Jonathan Alan MEDLOCK, René Tobias STEMMLER, Johannes TSCHUMI, Gerardus Karel Maria VERZIJL, Andreas Hendrikus Maria DE VRIES
  • FLAVOR AND FRAGRANCE FORMULATION (I)
    Publication number: 20150307439
    Abstract: The present invention relates to the use of specific organic compounds as flavor and fragrance material. Furthermore the invention relates to new specific organic compounds and their synthesis, as well to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Application
    Filed: October 7, 2013
    Publication date: October 29, 2015
    Inventors: Raphael BEUMER, Johannes TSCHUMI, Michael GRESSLY
  • FLAVOR AND FRAGRANCE FORMULATION (VI)
    Publication number: 20150291505
    Abstract: The present invention relates to the use of specific organic compounds of formula (I) as flavor and fragrance material. Furthermore the invention relates to a new specific organic compound, as well as to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Application
    Filed: October 7, 2013
    Publication date: October 15, 2015
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • FLAVOR AND FRAGRANCE FORMULATION (V)
    Publication number: 20150259273
    Abstract: The present invention relates to the use of a specific organic compound as flavor and fragrance material. Furthermore the invention relates to flavor and fragrance formulations comprising such a specific organic compound.
    Type: Application
    Filed: October 7, 2013
    Publication date: September 17, 2015
    Applicant: DSM IP ASSETS B.V.
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • FLAVOR AND FRAGRANCE FORMULATION (III)
    Publication number: 20150246868
    Abstract: The present invention relates to the use of specific organic compounds as flavor and fragrance material. Furthermore the invention relates to new specific organic compounds, as well as to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Application
    Filed: October 7, 2013
    Publication date: September 3, 2015
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly
  • FLAVOR AND FRAGRANCE FORMULATION (II)
    Publication number: 20150245985
    Abstract: The present invention relates to the use of specific organic compounds as flavor and fragrance material. Furthermore the invention relates to a new specific organic compound, as well as to flavor and fragrance formulations comprising at least one of the specific organic compounds.
    Type: Application
    Filed: October 7, 2013
    Publication date: September 3, 2015
    Inventors: Raphael Beumer, Johannes Tschumi, Michael Gressly