Patents by Inventor Gunther Ohloff

Gunther Ohloff 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).

  • Patent number: 5057239
    Abstract: Spiranic lactone of formula ##STR1## possesses useful fragrance properties and it can be used advantageously as fragrance ingredient in various consumable materials. It develops warm, spicy, lactonic and coumarinic odor notes.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: October 15, 1991
    Assignee: Firmenich SA
    Inventors: Francois Delay, Wolfgang K. Giersch, Gunther Ohloff
  • Patent number: 4818747
    Abstract: Bicyclic aliphatic alcohols or formula ##STR1## wherein substituents CH.sub.2 OH and CH.sub.3 are geminally bound to the carbon atom in position 2 or 3 of the hexanic ring and wherein the wavy line stands for a C-H bond of cis or trans configuration. Use of same as perfuming ingredients.
    Type: Grant
    Filed: March 17, 1988
    Date of Patent: April 4, 1989
    Assignee: Firmenich SA
    Inventors: Wolfgang K. Giersch, Gunther Ohloff
  • Patent number: 4711875
    Abstract: Composition consisting of from less than 100% to more than about 80% of trans-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol and a definite amount, but not more than about 20%, of cis-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol.Process for preparing same from .beta.-cyclocitral via a three-, optionally, four-step pathway.Utilization of the said composition as effective perfume ingredient.
    Type: Grant
    Filed: October 17, 1985
    Date of Patent: December 8, 1987
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Gunther Ohloff, Bernard L. Muller, Wolfgang K. Giersch
  • Patent number: 4623750
    Abstract: Composition consisting of from less than 100% to more than about 80% of trans-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol and a definite amount, but not more than about 20%, of cis-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol.Process for preparing same from .beta.-cyclocitral via a three-, optionally, four-step pathway.Utilization of the said composition as effective perfume ingredient.
    Type: Grant
    Filed: February 28, 1984
    Date of Patent: November 18, 1986
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Gunther Ohloff, Bernard L. Muller, Wolfgang K. Giersch
  • Patent number: 4608445
    Abstract: The compounds of formulaX--CH.sub.2 --CH(OH)--CH.sub.2 --R (I)wherein symbol R represents a C.sub.1 -C.sub.3 alkyl radical and X a substituted cyclohexyloxy group of formula ##STR1## wherein index n stands for zero or one, the dashed lines indicate a single bond (n=1) or a double bond in position 2 (n=0) or 3 (n=1) and each of symbols R.sup.1 to R.sup.6 designates a hydrogen atom or a methyl radical, are new and can be conveniently utilized as perfuming and flavoring ingredients. They develop in particular woody-ambery notes.
    Type: Grant
    Filed: November 23, 1982
    Date of Patent: August 26, 1986
    Assignee: Firmenich SA
    Inventors: Wolfgang K. Giersch, Karl H. Schulte-Elte, Gunther Ohloff
  • Patent number: 4524019
    Abstract: Spiro-lactones of formula ##STR1## which could possess a supplemental bond at the position indicated by the dotted lines and wherein index n stands for integers 1 or 2, possess useful organoleptic properties and consequently can be utilized as perfume ingredients in the preparation of fragrance compositions and the perfuming of various articles such as e.g. soaps, cosmetics, detergents and household materials.A process for their preparation starting from p-mentha-1,8-dien-4-ol is disclosed.
    Type: Grant
    Filed: July 25, 1983
    Date of Patent: June 18, 1985
    Assignee: Firmenich, SA
    Inventors: Wolfgang K. Giersch, Gunther Ohloff
  • Patent number: 4460498
    Abstract: New compounds of formula ##STR1## wherein symbol R represents a lower alkyl radical and use thereof as perfuming and flavoring ingredients. Process for the preparation of the said compounds.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 17, 1984
    Assignee: Firmenich SA
    Inventors: Wolfgang Giersch, Gunther Ohloff
  • Patent number: 4438023
    Abstract: Oxygen containing tricyclic derivatives of norbornane of formula ##STR1## wherein symbol X represents a divalent radical of formula ##STR2## possess valuable organoleptic properties and consequently can be used as perfuming ingredients.
    Type: Grant
    Filed: April 8, 1982
    Date of Patent: March 20, 1984
    Assignee: Firmenich SA
    Inventors: Werner Skorianetz, Gunther Ohloff
  • Patent number: 4396781
    Abstract: New compounds of formula ##STR1## wherein symbol R represents a lower alkyl radical and use thereof as perfuming and flavoring ingredients. Process for the preparation of the said compounds.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: August 2, 1983
    Assignee: Firmenich SA
    Inventors: Wolfgang Giersch, Gunther Ohloff
  • Patent number: 4372881
    Abstract: Unsaturated alicyclic compounds of formula ##STR1## having a methyl radical bound to the carbon atom in position 5 or 6 of the ring, possess interesting perfuming and flavoring properties and consequently they can be used advantageously in the fragrance and flavor industry. They can develop various notes of green, flowery, fruity and fresh type.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: February 8, 1983
    Assignee: Firmenich SA
    Inventors: Gunther Ohloff, Wolfgang K. Giersch
  • Patent number: 4341666
    Abstract: New oxygen containing derivatives of tricyclo[6.2.1.0.sup.2,7 ]undecane useful as perfuming or flavor-modifying ingredients in the manufacture of perfumes, perfumed articles, artificial flavors, foodstuffs, feedstuffs, beverages, pharmaceutical preparations or tobacco products.Perfume or flavoring compositions containing same as organoleptically active ingredients.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: July 27, 1982
    Assignee: Firmenich SA
    Inventors: Werner Skorianetz, Gunther Ohloff
  • Patent number: 4341897
    Abstract: New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: July 27, 1982
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Arnold Hauser, Gunther Ohloff
  • Patent number: 4311852
    Abstract: New oxygen containing derivatives of tricyclo[6.2.1.0.sup.2,7 ]undecane useful as perfuming or flavor-modifying ingredients in the manufacture of perfumes, perfumed articles, artificial flavors, foodstuffs, feedstuffs, beverages, pharmaceutical preparations or tobacco products.Perfume or flavoring compositions containing same as organoleptically active ingredients.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: January 19, 1982
    Assignee: Firmenich SA
    Inventors: Werner Skorianetz, Gunther Ohloff
  • Patent number: 4304793
    Abstract: Polyunsaturated aliphatic esters of new chemical structure find utility as flavor modifying agents. Flavoring compositions containing same and process for their preparation.
    Type: Grant
    Filed: August 27, 1979
    Date of Patent: December 8, 1981
    Assignee: Firmenich SA
    Inventors: Ferdinand Naf, Wolfgang K. Giersch, Gunther Ohloff
  • Patent number: 4296258
    Abstract: New process for the preparation of acetylenic macrocyclic ketones, which compounds represent useful intermediates for the synthesis of valuable perfuming ingredients, viz. muscone and EXALTONE.RTM. (cyclopentadecanone).
    Type: Grant
    Filed: December 28, 1979
    Date of Patent: October 20, 1981
    Assignee: Firmenich SA
    Inventors: Charles Fehr, Gunther Ohloff, Georges H. Buchi
  • Patent number: 4277625
    Abstract: New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: July 7, 1981
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Arnold Hauser, Gunther Ohloff
  • Patent number: 4271076
    Abstract: New tricyclic lactones, viz. 10,10-dimethyl-3-oxa[7.1.1.0.sup.2,7 ]undec-2(7)-en-4-one and 10,10-dimethyl-3-oxa-tricyclo[7.1.1.0.sup.2,7 ]undec-4-one. These latter are useful perfuming and flavor-modifying ingredients.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: June 2, 1981
    Assignee: Firmenich, S.A.
    Inventors: Joseph J. Becker, Gunther Ohloff
  • Patent number: 4255292
    Abstract: Perfuming composition containing 3-phenyl-cyclohex-2-en-1-one as active ingredient. Process for the perfuming of cosmetic articles, soaps and detergents by making use of the said ketone compound.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: March 10, 1981
    Assignee: Firmenich SA
    Inventors: Wolfgang Giersch, Gunther Ohloff
  • Patent number: 4252693
    Abstract: New spirane derivatives useful as odor- and flavor-modifying ingredients for preparing perfumes, perfumed products, for the manufacture of artificial flavors or for flavoring foodstuffs, animal feeds, beverages, pharmaceutical preparations and tobacco products.
    Type: Grant
    Filed: May 18, 1979
    Date of Patent: February 24, 1981
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Peter Fankhauser, Gunther Ohloff
  • Patent number: 4226892
    Abstract: New cycloaliphatic unsaturated ketones and their use as perfuming and odor-modifying agents in the manufacture of perfumes and perfumed products, and as flavoring and taste-modifying agents in the preparation of foodstuffs in general and imitation flavors for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Methods for the preparation of said cycloaliphatic unsaturated ketones.
    Type: Grant
    Filed: April 27, 1978
    Date of Patent: October 7, 1980
    Assignee: Firmenich SA
    Inventors: Ervin Kovats, Edouard Demole, Gunther Ohloff, Max Stoll, deceased