Patents by Inventor Charles Fehr

Charles Fehr 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).

  • Penta/hexamethyl-3,4,5,8-tetrahydro-1(2H)-naphthalenone derivatives with aromatic notes
    Patent number: 9284514
    Abstract: The present invention relates to compounds of Formula (I), wherein the dotted line represents a carbon-carbon single or double bond and R represents a hydrogen atom or a methyl group; which are useful perfuming ingredients to impart odor notes of the musky-earthy and woody, aromatic-fresh type.
    Type: Grant
    Filed: June 18, 2012
    Date of Patent: March 15, 2016
    Assignee: Firmenich SA
    Inventor: Charles Fehr
  • PENTA/HEXAMETHYL-3,4,5,8-TETRAHYDRO-1(2H)-NAPHTHALENONE DERIVATIVES WITH AROMATIC NOTES
    Publication number: 20140148376
    Abstract: The present invention relates to compounds of Formula (I), wherein the dotted line represents a carbon-carbon single or double bond and R represents a hydrogen atom or a methyl group; which are useful perfuming ingredients to impart odor notes of the musky-earthy and woody, aromatic-fresh type.
    Type: Application
    Filed: June 18, 2012
    Publication date: May 29, 2014
    Applicant: FIRMENICH SA
    Inventor: Charles Fehr
  • Process for the preparation of tetranorlabdane derivatives
    Patent number: 8227630
    Abstract: The present invention concerns a process for the preparation of a compound of formula (I) wherein the dotted line is a single bond and n is 1 or the dotted line is a double bond and n is 0, and wherein the relative configuration is as shown, in the form of any one of its diastereoisomers or enantiomers or mixtures thereof.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: July 24, 2012
    Assignee: Firmenich SA
    Inventor: Charles Fehr
  • Process for the preparation of tetranorlabdane derivatives
    Patent number: 8227629
    Abstract: The present invention concerns a process for the preparation of a compound of formula (I), wherein the dotted line is a single bond and n is 1 or the dotted line is a double bond and n is 0, and wherein the relative configuration is as shown, in the form of any one of its diastereoisomers or enantiomers or mixtures thereof.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: July 24, 2012
    Assignee: Firmenich SA
    Inventor: Charles Fehr
  • Perfuming ingredients with saffron odor
    Patent number: 8222199
    Abstract: The present invention concerns the use as perfuming ingredient of a lower alkyl ester of 4,6,6-trimethyl-1,3-cyclohexadiene-1-carboxylate or 4,6,6-trimethyl-3-cyclohexene-1-carboxylate. These compounds are able to impart odor notes of the spicy/saffron type.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: July 17, 2012
    Assignee: Firmenich SA
    Inventors: Charles Fehr, Pierre-Alain Blanc
  • Process for the preparation of beta-santalol and derivatives thereof
    Patent number: 8119826
    Abstract: The present invention relates to a dienol compound of formula in the form of any one of its stereoisomers or mixture thereof, wherein R represents a methyl or ethyl group; R1 represents a hydrogen atom or a methyl or ethyl group; R4 represents a C1-C3 alkyl, alkenyl or acyl group or a C3-C8 silyl group.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: February 21, 2012
    Assignee: Firmenich SA
    Inventors: Charles Fehr, Magali Vuagnoux
  • PROCESS FOR THE PREPARATION OF TETRANORLABDANE DERIVATIVES
    Publication number: 20110218347
    Abstract: The present invention concerns a process for the preparation of a compound of formula (I) wherein the dotted line is a single bond and n is 1 or the dotted line is a double bond and n is 0, and wherein the relative configuration is as shown, in the form of any one of its diastereoisomers or enantiomers or mixtures thereof.
    Type: Application
    Filed: October 20, 2008
    Publication date: September 8, 2011
    Inventor: Charles Fehr
  • PROCESS FOR THE PREPARATION OF BETA-SANTALOL AND DERIVATIVES THEREOF
    Publication number: 20110118497
    Abstract: The present invention relates to a dienol compound of formula in the form of any one of its stereoisomers or mixture thereof, wherein R represents a methyl or ethyl group; R1 represents a hydrogen atom or a methyl or ethyl group; R4 represents a C1-C3 alkyl, alkenyl or acyl group or a C3-C8 silyl group.
    Type: Application
    Filed: January 24, 2011
    Publication date: May 19, 2011
    Inventors: Charles Fehr, Magali Vuagnoux
  • Compounds for a controlled release of active molecules
    Patent number: 7935669
    Abstract: The present invention relates to the field of perfumery. More particularly, it concerns compounds comprising at least one ?-oxy or ?-thio carbonyl moiety capable of liberating a perfuming molecule such as, for example, an ?,?-unsaturated ketone, aldehyde or carboxylic ester. The present invention concerns also the use of the compounds in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's compounds.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: May 3, 2011
    Assignee: Firmenich SA
    Inventors: Charles Fehr, Arnaud Struillou, José Galindo
  • Process for the preparation of ?-santalol and derivatives thereof
    Patent number: 7902393
    Abstract: The present invention concerns a process for the preparation of a compound of formula (I) wherein R represents a Me or Et group, as well said compound in the form of any one of its stereoisomers or mixture thereof. The invention concerns also the use of compound (I) for the synthesis of ?-santalol or of derivatives thereof.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: March 8, 2011
    Assignee: Firmenich SA
    Inventors: Charles Fehr, Magali Vuagnoux
  • PROCESS FOR THE PREPARATION OF BETA-SANTALOL AND DERIVATIVES THEREOF
    Publication number: 20110028750
    Abstract: The present invention concerns a process for the preparation of a compound of formula (I) wherein R represents a Me or Et group, as well said compound in the form of any one of its stereoisomers or mixture thereof. The invention concerns also the use of compound (I) for the synthesis of ?-santalol or of derivatives thereof.
    Type: Application
    Filed: May 18, 2009
    Publication date: February 3, 2011
    Applicant: Firmenich SA
    Inventors: Charles Fehr, Magali Vuagnoux
  • PROCESS FOR THE PREPARATION OF TETRANORLABDANE DERIVATIVES
    Publication number: 20100311990
    Abstract: The present invention concerns a process for the preparation of a compound of formula (I), wherein the dotted line is a single bond and n is 1 or the dotted line is a double bond and n is 0, and wherein the relative configuration is as shown, in the form of any one of its diastereoisomers or enantiomers or mixtures thereof.
    Type: Application
    Filed: October 20, 2008
    Publication date: December 9, 2010
    Applicant: FIRMENICH SA
    Inventor: Charles Fehr
  • Compounds for a controlled release of active molecules
    Patent number: 7723286
    Abstract: The present invention relates to the field of perfumery. More particularly, it concerns compounds comprising at least one ?-oxy or ?-thio carbonyl moiety capable of liberating a perfuming molecule such as, for example, an ?,?-unsaturated ketone, aldehyde or carboxylic ester. The present invention concerns also the use of the compounds in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's compounds.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: May 25, 2010
    Assignee: Firmenich SA
    Inventors: Charles Fehr, Arnaud Struillou, José Galindo
  • Compounds for a controlled release of active molecules
    Patent number: 7589055
    Abstract: The present invention relates to the field of perfumery. More particularly, it concerns compounds comprising at least one ?-carbonate or ?-thio carbonyl moiety capable of liberating a perfuming molecule such as, for example, an ?,?-unsaturated ketone, aldehyde or carboxylic ester. The present invention concerns also the use of said compounds in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's compounds.
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: September 15, 2009
    Assignee: Firmenich SA
    Inventors: Charles Fehr, José Galindo, Arnaud Struillou
  • COMPOUNDS FOR A CONTROLLED RELEASE OF ACTIVE MOLECULES
    Publication number: 20090181878
    Abstract: The present invention relates to the field of perfumery. More particularly, it concerns compounds comprising at least one ?-oxy or ?-thio carbonyl moiety capable of liberating a perfuming molecule such as, for example, an ?,?-unsaturated ketone, aldehyde or carboxylic ester. The present invention concerns also the use of the compounds in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's compounds.
    Type: Application
    Filed: February 25, 2009
    Publication date: July 16, 2009
    Inventors: Charles Fehr, Arnaud Struillou, Jose Galindo
  • Substituted cyclohexanones
    Patent number: 7470820
    Abstract: The present invention relates to a cyclohexanone derivative of formula in the form of any one of its isomers or mixture thereof. The invention concerns also the preparation and the use of this derivative. The compounds of the invention are useful starting materials for the preparation of various optically active compounds.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: December 30, 2008
    Assignee: Firmenich SA
    Inventors: Oliver Knopff, Charles Fehr, José Galindo
  • Substituted Cyclohexanones
    Publication number: 20080228008
    Abstract: The present invention relates to a cyclohexanone derivative of formula in the form of any one of its isomers or mixture thereof. The invention concerns also the preparation and the use of this derivative. The compounds of the invention are useful starting materials for the preparation of various optically active compounds.
    Type: Application
    Filed: July 18, 2006
    Publication date: September 18, 2008
    Inventors: Oliver Knopff, Charles Fehr, Jose Galindo
  • Naphthalenone Derivative with Powdery-Ionone Type Odors
    Publication number: 20080214419
    Abstract: The present invention relates to a 5,5,8a-trimethyl-naphthalenone derivative which is a useful perfuming ingredient. Furthermore, the present invention concerns also the compositions or articles containing this compound.
    Type: Application
    Filed: June 29, 2006
    Publication date: September 4, 2008
    Inventors: Charles Fehr, Iris Farris
  • Musk odorant compounds
    Patent number: 7253141
    Abstract: The present invention discloses keto derivatives of 5,5,6,7,8,8-hexamethyl-hexahydronaphthalene or keto-epoxy derivatives of 5,5,6,7,8,8-hexamethyl-octahydronaphthalene which are useful perfuming ingredients having a musky-earthy character.
    Type: Grant
    Filed: April 27, 2006
    Date of Patent: August 7, 2007
    Assignee: Firmenich SA
    Inventor: Charles Fehr
  • PERFUMING INGREDIENTS WITH SAFFRON ODOR
    Publication number: 20070149438
    Abstract: The present invention concerns the use as perfuming ingredient of a lower alkyl ester of 4,6,6-trimethyl-1,3-cyclohexadiene-1-carboxylate or 4,6,6-trimethyl-3-cyclohexene-1-carboxylate. These compounds are able to impart odor notes of the spicy/saffron type.
    Type: Application
    Filed: February 22, 2007
    Publication date: June 28, 2007
    Inventors: Charles Fehr, Pierre-Alain Blanc