Patents Assigned to Givaudan Corporation
  • Patent number: 4585662
    Abstract: The invention is concerned with compounds of the formula: ##STR1## wherein one of the symbols R.sup.1,R.sup.2 and R.sup.3 stands for methyl or ethyl and the others stand for hydrogen and R.sup.4 signifies hydrogen or methyl, with the proviso that R.sup.4 represents hydrogen when R.sup.1 and R.sup.2 both represent hydrogen and R.sup.3 represents methyl and their use as odorants and flavorants.
    Type: Grant
    Filed: June 25, 1984
    Date of Patent: April 29, 1986
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • Patent number: 4582942
    Abstract: Manufacture of p-tert. butyl-benzaldehyde (TBT) by oxidation with a Mn.sup.3+ salt, which salt is generated by electrochemical oxidation of a Mn.sup.2+ salt, and whereby the chemical oxidation and the electrochemical oxidation are carried out in separate reaction vessels.
    Type: Grant
    Filed: August 15, 1984
    Date of Patent: April 15, 1986
    Assignee: Givaudan Corporation
    Inventors: Christos Comninellis, Eric Plattner
  • Patent number: 4572795
    Abstract: The invention is concerned with compounds of the formula: ##STR1## wherein: R.sup.1 is selected from the group consisting of hydrogen and methyl;R.sup.2 is selected from the group consisting of normal or terminally singly branched alkyl or alkenyl groups having four to seven carbon atoms provided that:(i) when R.sup.1 is hydrogen the alkyl group must have at least five carbon atoms, and(ii) when R.sup.1 is methyl, R.sup.2 is an alkyl group.This invention is also concerned with odorant compositions containing these compounds.
    Type: Grant
    Filed: January 26, 1983
    Date of Patent: February 25, 1986
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • Patent number: 4570648
    Abstract: Novel esters, of the general formula ##STR1## wherein R represents C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl and one of the three broken lines represents an additional bond,are disclosed. Also disclosed are novel odorant and/or flavouring compositions containing esters or formula I, a process and intermediates for the manufacture of the esters of formula I and the use of esters of formula I as odorant and/or flavouring substances.
    Type: Grant
    Filed: September 7, 1982
    Date of Patent: February 18, 1986
    Assignee: Givaudan Corporation
    Inventor: Hanspeter Schenk
  • Patent number: 4568772
    Abstract: This invention discloses a novel process for producing p-t-butyl-.alpha.-methyldihydrocinnamaldehyde which comprises converting the .alpha.-methyldihydrocinnamaldehyde to an enamine, oxazolidine or a Schiff's base, reacting said derivative with a tertiary butyl cation, and then removing the protective group.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: February 4, 1986
    Assignee: Givaudan Corporation
    Inventors: Albert Gabbai, Karl-Fred De Polo
  • Patent number: 4567291
    Abstract: The invention is concerned with a novel odorant and/or flavoring substance, namely, 2-methyl-2-buten-1-yl tiglate of the formula ##STR1## The invention is also concerned with a process for the manufacture of the compound of formula I, the compound of formula I as an odorant and/or flavoring substance and odorant and/or flavoring compositions containing the compounds of formula I.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: January 28, 1986
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Roman Kaiser
  • Patent number: 4564714
    Abstract: A novel process for the preparation of 2,4,5-trichlorophenol which comprises selectively chlorinating 2,5-dichlorophenol under acidic conditions.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: January 14, 1986
    Assignee: Givaudan Corporation
    Inventors: Joseph A. Virgilio, Joachim E. Freudewald
  • Patent number: 4549029
    Abstract: Novel substituted tetrahydrofurans having a six-membered ring in the 4 position and methyl substituents in the 2 and 4 positions possess organoleptic properties described as fruity, citrus-like and reminiscent of grapefruit. These compounds are useful in fragrances and flavors.
    Type: Grant
    Filed: April 5, 1983
    Date of Patent: October 22, 1985
    Assignee: Givaudan Corporation
    Inventor: Alan R. Hochstetler
  • Patent number: 4547315
    Abstract: The lower alkyl esters of .alpha.-campholenic acid and .alpha.-campholanic acid have organoleptic properties which make them useful for preparing fragrances and flavors.
    Type: Grant
    Filed: January 26, 1983
    Date of Patent: October 15, 1985
    Assignee: Givaudan Corporation
    Inventors: Martin Rohr, Cormack Flynn
  • Patent number: 4544714
    Abstract: This invention discloses a number of novel odorant oximes having from 11 to 14 carbon atoms, processes for making same, and odorant compositions containing same.
    Type: Grant
    Filed: January 26, 1983
    Date of Patent: October 1, 1985
    Assignee: Givaudan Corporation
    Inventor: Paul A. Ochsner
  • Patent number: 4519944
    Abstract: Fragrance compositions comprising 8-alkyl-1-oxaspiro[4.5]decan-2-ones wherein the alkyl group contains from one to four carbon atoms.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: May 28, 1985
    Assignee: Givaudan Corporation
    Inventors: Robert T. Dahill, Kenneth L. Purzycki, Erlinda F. Golle
  • Patent number: 4517386
    Abstract: Terminal epoxides, also known as alpha-epoxides or 1,2-epoxides, are rearranged predominantly to the corresponding aldehydes using a catalyst system consisting of lithium tetrafluoroborate in a polyether solvent.
    Type: Grant
    Filed: May 11, 1984
    Date of Patent: May 14, 1985
    Assignee: Givaudan Corporation
    Inventors: Richard E. Naipawer, Alan J. Chalk
  • Patent number: 4515711
    Abstract: Alkenoxy octadienes and alkoxy octadienes and octanes are valuable fragrance materials.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: May 7, 1985
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Kenneth L. Purzycki
  • Patent number: 4508925
    Abstract: There is disclosed a novel process for preparing a number of cinnamaldehyde derivatives. These cinnamaldehyde derivatives can be reduced to dihydrocinnamaldehyde derivatives, a number of which are commercially important in the preparation of fragrances. The invention is also directed to a number of novel intermediates and their preparation.
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: April 2, 1985
    Assignee: Givaudan Corporation
    Inventors: Yvo Crameri, Paul A. Ochsner, Peter Schudel
  • Patent number: 4508908
    Abstract: This disclosure relates to a novel class of 2-alkyl-3-haloisothiazolium salts. These salts have been found to be useful in controlling the growth of bacteria and fungi. They have also been found to be useful intermediates in the preparation of novel and known antibacterial and antifungal compounds.
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: April 2, 1985
    Assignee: Givaudan Corporation
    Inventors: Joseph A. Virgilio, Milton Manowitz, Emanuel Heilweil
  • Patent number: 4500729
    Abstract: The invention is concerned with a novel odorant and/or flavoring substance, namely, 2-methyl-2-buten-1-yl tiglate of the formula ##STR1## The invention is also concerned with a process for the manufacture of the compound of formula I, the compound of formula I as an odorant and/or flavoring substance and odorant and/or flavoring compositions containing the compounds of formula I.
    Type: Grant
    Filed: June 26, 1979
    Date of Patent: February 19, 1985
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Roman Kaiser
  • Patent number: 4496476
    Abstract: This invention concerns the use of cis-3,7-dimethylocta-3,6-dienoic acid as an odorant and/or flavorant, odorant and flavorant compositions containing same and methods for preparing same. This invention also concerns such compositions and methods wherein the cis-3,7-dimethylocta-3,6-dienoic acid is used in combination with 2,2,4-trimethylcyclohex-3(or 4)-ene-carboxylic acid.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: January 29, 1985
    Assignee: Givaudan Corporation
    Inventors: Peter Naegeli, Martin Rohr
  • Patent number: 4486337
    Abstract: The invention is concerned with a novel odorant and/or flavoring substance, namely, 2-methyl-2-buten-1-yl tiglate of the formula ##STR1## The invention is also concerned with a process for the manufacture of the compound of formula I, the compound of formula I as an odorant and/or flavoring substance and odorant and/or flavoring compositions containing the compounds of formula I.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: December 4, 1984
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Roman Kaiser
  • Patent number: 4485036
    Abstract: The novel odorants and/or flavorants have the formulae: ##STR1##
    Type: Grant
    Filed: September 29, 1980
    Date of Patent: November 27, 1984
    Assignee: Givaudan Corporation
    Inventor: Roman Kaiser
  • Patent number: 4482762
    Abstract: The invention is concerned with compounds of the formula: ##STR1## wherein one of the symbols R.sup.1, R.sup.2 and R.sup.3 stands for methyl or ethyl and the others stand for hydrogen and R.sup.4 signifies hydrogen or methyl, with the proviso that R.sup.4 represents hydrogen when R.sup.1 and R.sup.2 both represent hydrogen and R.sup.3 represents methyl and their use as odorants and flavorants.
    Type: Grant
    Filed: July 16, 1981
    Date of Patent: November 13, 1984
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky