Patents by Inventor Ferdinand Naf

Ferdinand Naf 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).

  • Aliphatic epoxy-ketone
    Patent number: 4447627
    Abstract: 5,6-Epoxy-3,3,6-trimethyl-hept-1-en-4-one, a novel aliphatic epoxy-ketone, has been found to possess useful odor and flavor properties. It can be advantageously used as perfume and flavor-modifying ingredient.Perfume and flavor-modifying composition containing same and process for its preparation.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: May 8, 1984
    Assignee: Firmenich SA
    Inventors: Regula Naf, Anthony F. Morris, Ferdinand Naf
  • 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
  • Bicyclic compounds and utilization thereof as perfuming agents
    Patent number: 4371460
    Abstract: Kentones of the formula ##STR1## wherein each of the symbols R.sup.1, R.sup.2, and R.sup.3 identical or different, represent a hydrogen atom or a lower alkyl radical containing 1 to 3 carbon atoms are disclosed useful as perfuming agents and in the preparation of perfume products.
    Type: Grant
    Filed: December 22, 1981
    Date of Patent: February 1, 1983
    Assignee: Firmenich SA
    Inventors: Ferdinand Naf, Rene Decorzant, Karl H. Schulte-Elte
  • Polyunsaturated aliphatic esters as flavoring ingredients
    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
  • Bicyclic aldehyde derivatives, their use as perfuming and flavoring ingredients and process for their preparation
    Patent number: 4266075
    Abstract: Bicyclic aldehyde derivatives of formula ##STR1## containing a single or a double bond in the position indicated by the dotted lines and wherein symbol R.sup.1 represents a hydrogen atom or a methyl radical and R.sup.2 defines a linear or branched alkyl radical containing 1 to 6 carbon atoms.Compounds (I) find specific utility as perfuming and flavoring agents.Process for the preparation of said compounds (I) starting from cyclopentadiene or a methyl substituted cyclopentadiene and an alkyl 4-oxo-butenoate.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: May 5, 1981
    Assignee: Firmenich, S.A.
    Inventors: Ferdinand Naf, Rene Decorzant
  • 5,9-Dimethyl-deca-4,9-dien-1-al perfume compositions
    Patent number: 4226744
    Abstract: A novel poly-unsaturated aliphatic aldehyde, viz. 5,9-dimethyl-deca-4,9-dien-1-al, is found to be useful as odor-modifying ingredient. The new aldehyde is particularly useful in the preparation of perfumes and perfumed products.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: October 7, 1980
    Assignee: Firmenich, S.A.
    Inventor: Ferdinand Naf
  • Bicyclic aldehyde perfuming and flavoring ingredients
    Patent number: 4218347
    Abstract: Bicyclic aldehyde derivatives of formula ##STR1## containing a single or a double bond in the position indicated by the dotted lines and wherein symbol R.sup.1 represents a hydrogen atom or a methyl radical and R.sup.2 defines a linear or branched alkyl radical containing 1 to 6 carbon atoms.Compounds (I) find specific utility as perfuming and flavoring agents.Process for the preparation of said compounds (I) starting from cyclopentadiene or a methyl substituted cyclopentadiene and an alkyl 4-oxo-butenoate.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: August 19, 1980
    Assignee: Firmenich SA
    Inventors: Ferdinand Naf, Rene Decorzant
  • Perfumed articles containing cis-oct-6-en-1-al
    Patent number: 4192781
    Abstract: cis-Oct-6-en-1-al is a novel unsaturated aldehyde which possesses useful perfuming and flavoring properties. Use of said aldehyde as perfume and flavor ingredient.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: March 11, 1980
    Assignee: Firmenich SA
    Inventor: Ferdinand Naf
  • Process for preparing unsaturated spiranic derivatives
    Patent number: 4176139
    Abstract: Process for preparing unsaturated spiranic derivatives of formula ##STR1## wherein index n represents integer 1 or 2 and wherein symbol R defines a lower alkyl radical, starting from the corresponding cycloalkanone via an addition thereto of a dihalo-alkene of formula ##STR2## wherein symbol R possesses the above-indicated meaning and X represents a halogen atom.
    Type: Grant
    Filed: August 18, 1978
    Date of Patent: November 27, 1979
    Assignee: Firmenich SA
    Inventors: Ferdinand Naf, Rene Decorzant
  • CIS-Oct-6-en-1-al perfumes
    Patent number: 4132675
    Abstract: CIS-Oct-6-en-1-al is a novel unsaturated aldehyde which possesses useful perfuming and flavoring properties. Use of said aldehyde as perfume and flavor ingredient.
    Type: Grant
    Filed: February 2, 1977
    Date of Patent: January 2, 1979
    Assignee: Firmenich SA
    Inventor: Ferdinand Naf
  • Process for the preparation of ketone derivatives
    Patent number: 4054606
    Abstract: Process for the preparation of .alpha.-substituted cyclic ketones which comprises reacting a magnesium enolate with an aldehyde. The products obtained in accordance with the process of the invention are useful intermediates for the preparation of perfume and flavor ingredients, as well as for the synthesis of certain carotenoids.
    Type: Grant
    Filed: May 23, 1975
    Date of Patent: October 18, 1977
    Assignee: Firmenich SA
    Inventor: Ferdinand Naf
  • Process for the preparation of poly-unsaturated hydrocarbons
    Patent number: 4014951
    Abstract: Process for the preparation of poly-unsaturated hydrocarbons, in particular undeca-1,3,5-triene, which comprises reacting a quaternary phosphonium salt with hexanal.The product obtained in accordance with the process of the invention is a useful perfuming ingredient.
    Type: Grant
    Filed: January 28, 1976
    Date of Patent: March 29, 1977
    Assignee: Firmenich S.A.
    Inventors: Ferdinand Naf, Gunther Ohloff, Albert Eschenmoser
  • Process for the preparation of sesquiterpenic derivatives
    Patent number: 4011269
    Abstract: Process for the preparation of tricyclic sesquiterpenes which comprises reacting a cyclohexadienic carbinol with a strongly basic agent. The products obtained in accordance with the process of the invention are useful ingredients in the perfumery. Some of the said products are new.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: March 8, 1977
    Assignee: Firmenich S.A.
    Inventors: Ferdinand Naf, Gunther Ohloff
  • Process for the preparation of poly-unsaturated hydrocarbons
    Patent number: 3960977
    Abstract: Process for the preparation of poly-unsaturated hydrocarbons, in particular undeca-1,3,5-triene, which comprises reacting a quaternary phosphonium salt with hexanal.The product obtained in accordance with the process of the invention is a useful perfuming ingredient.
    Type: Grant
    Filed: May 24, 1974
    Date of Patent: June 1, 1976
    Assignee: Firmenich S.A.
    Inventors: Ferdinand Naf, Gunther Ohloff, Albert Eschenmoser
  • Ethyl-2-trans-4-cis undecadienoate, ethyl-2-trans-4-cis dodecadienoate and ethyl-2-decadienoate perfume compositions
    Patent number: 3953377
    Abstract: Process for the preparation of .gamma.,.delta.-unsaturated carbonyl derivatives. Among the compounds prepared by the process of the present invention some are new and many possess interesting organoleptic properties.
    Type: Grant
    Filed: August 27, 1974
    Date of Patent: April 27, 1976
    Assignee: Firmenich S.A.
    Inventor: Ferdinand Naf
  • Cycloaliphatic unsaturated ketones as odour- and taste-modifying agents
    Patent number: 3946078
    Abstract: Process for the preparation of unsaturated cycloaliphatic ketones useful as perfuming and odour-modifying agents in the manufacture of perfumes and perfumed products, and as flavouring and taste-modifying agents in the aromatization of foodstuffs in general and imitation flavours for foodstuffs, beverages, animal feeds, pharmaceutical preparations and tobacco products.Compositions of matter relating to some of said unsaturated cycloaliphatic ketones which are new, and perfume- and flavouring compositions containing same.
    Type: Grant
    Filed: April 29, 1974
    Date of Patent: March 23, 1976
    Assignee: Firmenich SA
    Inventors: Valentin Rautenstrauch, Ferdinand Naf