Patents by Inventor Alan F. Thomas

Alan F. Thomas 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).

  • Use of pyridines as perfuming and flavoring ingredients
    Patent number: 5298486
    Abstract: Pyridines of formula ##STR1## wherein R.sup.1 stands for a saturated linear alkyl radical having 6 to 8 carbon atoms, or for a 4-methylhexyl radical, and R.sup.2 represents either a hydrogen atom or, when R.sup.1 has 6 carbon atoms, a hydrogen atom or a methyl radical, are used in the reconstitution of orange essential oil as well as for flavoring orange juice. They are also useful ingredients in the reproduction of flavors of the seafood, fishy type.Pyridines (I) are also used in perfumery.
    Type: Grant
    Filed: July 17, 1991
    Date of Patent: March 29, 1994
    Assignee: Firmenich S.A.
    Inventors: Alan F. Thomas, Frederico Bassols
  • Tricylic ketone and use of same as flavoring ingredient
    Patent number: 4756764
    Abstract: 3,10-Diacetyl-11-isopropylidene-7,7-dimethyl-tricyclo[6.2.1.0.sup.2,6 ]undeca-2,5,9-triene is a flavoring ingredient useful for the aromatization of smoking articles. It develops upon smoking green, slightly floral, metallic, astringent, fatty, slightly bitter and earthy notes.It is prepared by a two-step process from 1-(4-isopropylidene-1-cyclopent-1-enyl)-1-ethanone.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: July 12, 1988
    Assignee: Firmenich SA
    Inventors: Alan F. Thomas, Alistair Y. Smith
  • 1(7)-p-Menthen-9-al and its utilization as perfuming and flavoring ingredient
    Patent number: 4578277
    Abstract: 1(7)-p-Menthen-9-al, a novel terpene aldehyde, possesses useful organoleptic properties and develops bitter, herbal and aromatic perfume notes. In the field of flavors, 1(7)-p-menthen-9-al develops flowery, herbal and fatty characters reminiscent of certain aspects of the flavor of nuts or cumin.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: March 25, 1986
    Assignee: Firmenich SA
    Inventors: Anthony F. Morris, Francois Delay, Fritz Gautschi, Alan F. Thomas, Wolfgang K. Giersch, Andre Boschung
  • 1(7)-P-menthen-9-al
    Patent number: 4543429
    Abstract: 1(7)-p-Methen-9-al, a novel terpene aldehyde, possesses useful organoleptic properties and develops bitter, herbal and aromatic perfume notes. In the field of flavors, 1(7)-p-menthen-9-al develops flowery, herbal and fatty characters reminiscent of certain aspects of the flavor of nuts or cumin.
    Type: Grant
    Filed: February 28, 1983
    Date of Patent: September 24, 1985
    Assignee: Firmenich SA
    Inventors: Anthony F. Morris, Francois Delay, Fritz Gautschi, Alan F. Thomas, Wolfgang K. Giersch, Andre Boschung
  • Alicyclic unsaturated compounds, their preparation and use of same as perfume ingredients
    Patent number: 4392993
    Abstract: New alicyclic unsaturated compounds useful as perfume ingredients and perfume compositions containing same. The new compounds have formula ##STR1## possessing a methyl group attached to the carbon atom at position 3 or 4 of the ring and one double bond in one of the positions of the carbonyl side chain as indicated by the dotted line.
    Type: Grant
    Filed: July 23, 1981
    Date of Patent: July 12, 1983
    Assignee: Firmenich, SA
    Inventors: Alan F. Thomas, Ferdinand Naf
  • Cis-10, 10-dimethyl-tricyclo (7.1.1.0.sup.2,7) undec-2-en-4-one and use thereof as perfuming and flavoring ingredient
    Patent number: 4342320
    Abstract: New tricyclic carbonyl derivative, viz. cis-10,10-dimethyl-tricyclo[7.1.1.0.sup.2,7 ]undec-2-en-4-one, and its use as flavoring and perfuming material.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: August 3, 1982
    Assignee: Firmenich, S.A.
    Inventor: Alan F. Thomas
  • Flavoring with cis-10,10-dimethyl-tricyclo[7.1.1.0.sup.2,7 ]undec-2-en-4-one
    Patent number: 4307122
    Abstract: New tricyclic carbonyl derivative, viz. cis-10,10-dimethyl-tricyclo[7.1.1.0.sup.2,7 ]undec-2-en-4-one, and its use as flavoring and perfuming material.
    Type: Grant
    Filed: January 17, 1980
    Date of Patent: December 22, 1981
    Assignee: Firmenich, S.A.
    Inventor: Alan F. Thomas
  • Cis-10,10-dimethyl-tricyclo[7.1.1.0.sup.2,7 ]undec-2-en-4-one as perfuming ingredient
    Patent number: 4226745
    Abstract: New tricyclic carbonyl derivative, viz. cis-10,10-dimethyl-tricyclo[7.1.1.0.sup.2,7 ]undec-2-en-4-one, and its use as flavoring and perfuming material.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: October 7, 1980
    Assignee: Firmenich, S.A.
    Inventor: Alan F. Thomas