Patents Represented by Attorney Thomas Cifelli, Jr.

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  • Novel prenyl 4-caranones
    Patent number: 4322318
    Abstract: Novel prenyl 4-caranones of the general formula: ##STR1## wherein one R group represents a 3-methyl-2-butenyl group and the other a hydrogen atomare useful olfactory agents in the preparation of fragrance materials.
    Type: Grant
    Filed: October 9, 1980
    Date of Patent: March 30, 1982
    Assignee: Givaudan Corporation
    Inventor: Dietmar Lamparsky
  • Process for the preparation of alpha-hydroxycarbonyl compounds
    Patent number: 4318855
    Abstract: The instant invention provides a new and improved method of preparing .alpha.-hydroxycarbonyl compounds, particulary substituted cyclopent-2-en-2-ol-1-ones and substituted 3-hydroxy-2(5H)-furanones. The novel sequence involves a number of novel intermediates including substituted 2-cyanocyclopentanones, substituted 2-cyano-2-hydroxycyclopentanones, and 2-cyano-2-hydroxyvalero-.gamma.-lactones.
    Type: Grant
    Filed: January 24, 1980
    Date of Patent: March 9, 1982
    Assignee: Givaudan Corporation
    Inventors: Ulrich Huber, Hans-Jakob Wild
  • Perfume compositions containing oxygenated ionone derivatives
    Patent number: 4313856
    Abstract: The preparation and use as odorant and/or flavorant of compounds having the formula: ##STR1## wherein R represents a butyl, but-2-en-yl or 1,3-butadienyl group.
    Type: Grant
    Filed: October 6, 1980
    Date of Patent: February 2, 1982
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • 2-Hydroxymethylenecyclohexanones
    Patent number: 4313007
    Abstract: Processes and compositions for improving, modifying or enhancing the organoleptic properties of a tobacco product which comprises adding thereto an effective amount of a 2-hydroxymethylenecyclohexanone.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: January 26, 1982
    Assignee: Givaudan Corporation
    Inventors: Cormack Flynn, Glen R. Fredericks, Alan R. Hochstetler
  • Flavoring with 2,4,4-trimethyl-3-(buta-1,3-dienyl)cyclohex-2-en-one
    Patent number: 4311718
    Abstract: Flavorants comprising 2,4,4-trimethyl-3-(buta-1,3-dienyl)cyclohex-2-en-1-one.
    Type: Grant
    Filed: August 22, 1979
    Date of Patent: January 19, 1982
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • Microbiological transformations of ionone compounds
    Patent number: 4311860
    Abstract: Novel odorant and/or flavorant mixtures are provided by fermentation of ionone type compounds with microorganisms of the genera Botryodiplodia, Botryosphaeria, or Lasiodiplodia.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: January 19, 1982
    Assignee: Givaudan Corporation
    Inventor: Victor Krasnobajew
  • Flavoring with dialkylamino-alkylene mercaptans and sulfides
    Patent number: 4285984
    Abstract: Dialkylamino-alkylene mercaptans and sulfides, useful for preparing flavoring compositions and foodstuffs and tobaccos, and process for preparing said compositions, foodstuffs and tobaccos.
    Type: Grant
    Filed: June 4, 1979
    Date of Patent: August 25, 1981
    Assignee: Givaudan Corporation
    Inventor: Ulrich Huber
  • 2-Alkyl-3-haloisothiazolium salts and their derivatives
    Patent number: 4281136
    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: October 16, 1978
    Date of Patent: July 28, 1981
    Assignee: Givaudan Corporation
    Inventors: Joseph A. Virgilio, Milton Manowitz, Emanuel Heilweil
  • Novel prenyl 4-caranones
    Patent number: 4278817
    Abstract: Novel prenyl 4-caranones of the general formula: ##STR1## wherein: one R group represents a 3-methyl-2-butenyl group andthe other a hydrogen atomare useful olfactory agents in the preparation of fragrance materials.
    Type: Grant
    Filed: November 21, 1979
    Date of Patent: July 14, 1981
    Assignee: Givaudan Corporation
    Inventor: Dietmar Lamparsky
  • 2-Substituted-1-acetoxy and hydroxy-1-methyl-cyclohexanes
    Patent number: 4277618
    Abstract: Novel odorants, having the formula ##STR1## wherein R represents sec. butyl, tert. butyl or cyclohexyl. A process for preparing the novel odorants from novel intermediates and fragrance compositions containing the odorants are also taught.
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: July 7, 1981
    Assignee: Givaudan Corporation
    Inventors: Daniel Helmlinger, Peter Naegeli
  • Process for making norpatchoulenol
    Patent number: 4277631
    Abstract: A novel norpatchoulenol synthesis is disclosed. The key step in the synthesis is an intramolecular Diels-Alder condensation of a trisubstituted silyloxy derivative of cyclohexadienone. Novel intermediates, namely trisubstituted silyloxy methanonaphthalenes (Formula V, infra) and trisubstituted silyloxy cyclohexadienes (Formula IV, infra) are also disclosed.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: July 7, 1981
    Assignee: Givaudan Corporation
    Inventor: Wolfgang Oppolzer
  • Process for preparing a myrcenol, cis-ocimenol mixture substantially free of trans-ocimenol
    Patent number: 4266087
    Abstract: The instant invention provides a new and improved method of preparing the Diels Alder mixture of 3 and 4-(4-methyl-4-hydroxyamyl).DELTA..sup.3 -cyclohexenecarboxaldehyde from the readily available myrcene. The novel sequence includes a synthesis of a novel myrcenol, ocimenol intermediate which is substantially free of trans-ocimenol.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: May 5, 1981
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Steven A. Magennis
  • 3-Alkoxy-2-alkylisothiazolium salts and their derivatives
    Patent number: 4262127
    Abstract: This disclosure relates to a novel class of 3-alkoxy-2-alkylisothiazolium 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 known antibacterial and antifungal compounds.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: April 14, 1981
    Assignee: Givaudan Corporation
    Inventors: Joseph A. Virgilio, Milton Manowitz, Emanuel Heilweil
  • Perfume compositions containing 2,6,10,10-tetra-methyl-1-oxa-spiro[4,5]-decan-7-one
    Patent number: 4260526
    Abstract: The preparation and use as odorant and/or flavorant of 2,6,10,10-tetramethyl-1-oxa-spiro-[4,5]-decan-7-one (I).
    Type: Grant
    Filed: July 30, 1979
    Date of Patent: April 7, 1981
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Peter Naegeli
  • 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene)cyclohexanes as flavorants
    Patent number: 4258071
    Abstract: Flavorant compositions comprising ##STR1## wherein R represents a 2-butene-1-ylidene group, and methods for preparing same.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: March 24, 1981
    Assignee: Givaudan Corporation
    Inventor: Roman Kaiser
  • Novel odorants and flavorants
    Patent number: 4255337
    Abstract: The invention is concerned with odorant and/or flavoring substances, intermediates therefor, a process for the manufacture of said substances, odorant and/or flavoring compositions containing same and a process for the preparation of said compositions. The invention is also concerned with a method of imparting an odor and/or a flavor to materials using said substances or compositions.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: March 10, 1981
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene) cyclohexanes as odorants
    Patent number: 4250062
    Abstract: Fragrance compositions comprising ##STR1## wherein R represents a 2-butene-1-ylidene group and methods for preparing same.
    Type: Grant
    Filed: August 14, 1979
    Date of Patent: February 10, 1981
    Assignee: Givaudan Corporation
    Inventor: Roman Kaiser
  • 2-Acetyl-1,3,3,4,4-pentamethylcyclopentene as a fragrance material
    Patent number: 4250061
    Abstract: Odorant compositions prepared by adding thereto olfactorily effective amounts of substantially pure 2-acetyl-1,3,3,4,4-pentamethylcyclopentene.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: February 10, 1981
    Assignee: Givaudan Corporation
    Inventors: Alan R. Hochstetler, Glen R. Fredericks, Erlinda F. Golle
  • Megastigma-5(11)8-dien-4,7-oxides and tetra-substituted-7-oxa-bicyclo[3.3.0]-octanes
    Patent number: 4250099
    Abstract: The novel odorants and/or flavorants have the formulae: ##STR1##
    Type: Grant
    Filed: January 29, 1979
    Date of Patent: February 10, 1981
    Assignee: Givaudan Corporation
    Inventor: Roman Kaiser
  • Preservation of aqueous systems with 2-chloro-3-oxobutyramide derivatives
    Patent number: 4247712
    Abstract: There is disclosed methods and compositions for inhibiting or preventing the growth of microorganisms in aqueous systems wherein the growth is inhibited or prevented by the presence of an effective amount of a 2-chloro-3-oxobutyramide derivative.
    Type: Grant
    Filed: November 8, 1979
    Date of Patent: January 27, 1981
    Assignees: Givaudan Corporation, Hoffmann-La Roche Inc.
    Inventors: Harold A. Brandman, Milton Manowitz, David L. Coffen