Patents Represented by Attorney Thomas Cifelli, Jr.

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  • Process for making furanones
    Patent number: 4181666
    Abstract: This deals with a process for making furanones having the formula: ##STR1## wherein R represents a hydrogen atom or the methyl or ethyl group.
    Type: Grant
    Filed: July 26, 1978
    Date of Patent: January 1, 1980
    Assignee: Givaudan Corporation
    Inventors: Ulrich Huber, Hans J. Wild
  • Iodopropargyl pyridyl and picolinyl ethers and thioethers as paint fungicides
    Patent number: 4170704
    Abstract: Novel iodopropargyl pyridyl and picolinyl ethers and thioethers are effective antifungal agents. They find special utility in paint for protecting finished paint films from fungal attack.
    Type: Grant
    Filed: April 20, 1978
    Date of Patent: October 9, 1979
    Assignee: Givaudan Corporation
    Inventors: Harold A. Brandman, Joachim E. Freudewald, Milton Manowitz, Edward J. Nikawitz, Frederick H. Sharpell, Jr.
  • Oxazolyl-alkyl-disulphides as flavorants
    Patent number: 4170594
    Abstract: This relates to oxazolyl alkyl disulphides.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: October 9, 1979
    Assignee: Givaudan Corporation
    Inventors: Paul Dubs, Heiner Kuntzel
  • Trimethyl-acetyl octalins, process for making and fragrance compositions containing same
    Patent number: 4162266
    Abstract: Novel trimethyl-acetyl-octalins mixtures are prepared by a Diels-Alder-type reaction involving methyl vinyl ketone and compounds having the structure ##STR1## wherein one of the two lines denoted by dots represents an additional bond.The novel compounds possess unique and unexpected desirable olfactory properties.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: July 24, 1979
    Assignee: Givaudan Corporation
    Inventors: Daniel Helmlinger, Peter Naegeli
  • Oxidative dehydrogenation of alcohols to aldehydes and ketones
    Patent number: 4154762
    Abstract: Monohydric primary or secondary saturated and unsaturated alcohols are oxidatively dehydrogenated to the corresponding aldehyde or ketone over a gold catalyst at temperatures between 280.degree.-600.degree. C. in the presence of oxygen.
    Type: Grant
    Filed: April 21, 1975
    Date of Patent: May 15, 1979
    Assignee: Givaudan Corporation
    Inventors: I-Der Huang, Leon M. Polinski, Krishna K. Rao
  • Process for preparing glucose isomerase using streptomyces glaucescens mutants
    Patent number: 4137126
    Abstract: Use of certain mutants of streptomyces glaucescens NRRL B-2900 or glucose-isomerases thereof results in improved process for isomerizing glucose to fructose.
    Type: Grant
    Filed: November 14, 1977
    Date of Patent: January 30, 1979
    Assignee: Givaudan Corporation
    Inventor: Peter Weber
  • Perfume compositions containing 2-(2-cyanoethylidene)-2-methyl-bicyclo(2.2.1)hept-5-enes
    Patent number: 4132677
    Abstract: Novel 2-(2-cyanoethylidene)-bicyclo[2.2.1]hept-5-enes and hydrogenated derivatives thereof, their utility as olfactory agents, and perfume compositions containing them.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: January 2, 1979
    Assignee: Givaudan Corporation
    Inventors: Gary W. Shaffer, Kenneth L. Purzycki
  • Perfume compositions containing ethyl 3,4-dichloro-5-isothiazolecarboxylate
    Patent number: 4132676
    Abstract: Ethyl 3,4-dichloro-5-isothiazolecarboxylate possesses a minty anise odor which is valuable in perfumery.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: January 2, 1979
    Assignee: Givaudan Corporation
    Inventor: Joseph A. Virgilio
  • Odorant or flavoring thiazolyl disulphides
    Patent number: 4130562
    Abstract: Novel odorant and/or flavoring substances such as 2-phenylethyl-ethyl-disulphide, process for preparing such disulphides and odorant and flavoring products containing the sulphides are disclosed.
    Type: Grant
    Filed: September 24, 1976
    Date of Patent: December 19, 1978
    Assignee: Givaudan Corporation
    Inventors: Paul Dubs, Heiner Kuntzel
  • N-2-Hydroxyethyl-oxazolidine compound
    Patent number: 4116970
    Abstract: Compounds of the formula: ##STR1## are made by hydrating a compound of the formula ##STR2## and splitting off the oxazolidinyl protecting group. Compounds of formula II are prepared by reacting a compound of the formula: ##STR3## with diethanolamine.
    Type: Grant
    Filed: June 30, 1977
    Date of Patent: September 26, 1978
    Assignee: Givaudan Corporation
    Inventor: Paul Albert Ochsner
  • 2-Ethyl-6,6-dimethyl-2-cyclohexene-1-carboxylic acid ethyl ester perfume compositions
    Patent number: 4113663
    Abstract: The 2-ethyl-6,6-dimethyl-2-cyclohexene-1-carboxylic acid ethyl ester possesses uniquely-desirable olfactory properties.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: September 12, 1978
    Assignee: Givaudan Corporation
    Inventor: Hanspeter Schenk
  • Process for preparing polyphenols
    Patent number: 4112003
    Abstract: Polyphenols of the general formula: ##STR1## wherein R represents a readily cleavable ether group and R' represents a hydrogen atom or a lower alkoxycarbonyl, such as the methoxycarbonyl or ethoxycarbonyl group, and of phloroglucinol, are made by heating a compound of the general formula: ##STR2## wherein R and R' have the same significance given above, with an alkali metal alcoholate and, if desired, converting the resulting compound of formula I into pholoroglucinol by ether-cleavage and removal of any ester group denoted by R' which may be present in accordance with methods known per se.
    Type: Grant
    Filed: February 3, 1977
    Date of Patent: September 5, 1978
    Assignee: Givaudan Corporation
    Inventor: Ulrich Huber
  • Process for making humulones and novel intermediates therefor
    Patent number: 4088688
    Abstract: Humulones (I) are made by subjecting desoxyhumulones (II) to oxidation to form novel hydroperoxides (III) and reducing the latter.The humulones are used to make known isohumulones (IV) which are bitter substances useful in the beverage industry.
    Type: Grant
    Filed: February 13, 1976
    Date of Patent: May 9, 1978
    Assignee: Givaudan Corporation
    Inventors: Trudi Sigg-Grutter, Jost Wild
  • N,N'-bis-aromaticformamidines useful as sunscreening agents
    Patent number: 4085062
    Abstract: U.V. absorbing compositions containing substituted N,N'-bis-aromaticformamidines and the use thereof as sun-screening agents.
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: April 18, 1978
    Assignee: Givaudan Corporation
    Inventors: Joseph A. Virgilio, Milton Manowitz
  • 4-(2,6,6-Trimethyl-2-cyclohexen-1-ylidene)-butan-2-ol
    Patent number: 4072719
    Abstract: Theaspiran is a novel fragrance and flavor substance. Its uses and novel process for making it are disclosed.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: February 7, 1978
    Assignee: Givaudan Corporation
    Inventor: Peter Naegeli
  • Process for the preparation of aryl substituted aldehydes, ketones and alcohols
    Patent number: 4070374
    Abstract: Upon reacting an alcohol having an olefinic double bond with an aryl bromide or iodide in the presence of a Paladium catalyst, there is provided either an aryl substituted aldehyde, ketone or olefinic alcohol.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: January 24, 1978
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Steven A. Magennis
  • Process for making allylmercaptan
    Patent number: 4067910
    Abstract: Certain allylmercaptans, some of which are novel, can be used to make novel flavorant and fragrance compositions. A novel method for making the allylmercaptans is disclosed.
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: January 10, 1978
    Assignee: Givaudan Corporation
    Inventors: Georg Frater, Trudi Sigg-Grutter, Jost Wild
  • Isopropyl- and isopropenyl cyclopentene carboxylic esters
    Patent number: 4068084
    Abstract: Cyclopentenes, some of them novel, process for making same and odorant compositions containing them.
    Type: Grant
    Filed: September 23, 1975
    Date of Patent: January 10, 1978
    Assignee: Givaudan Corporation
    Inventor: Peter Naegeli
  • Novel process for the synthesis of tricyclo[6.2.2.0.sup.3,8 ]dodecane derivatives
    Patent number: 4067906
    Abstract: A novel process for the preparation of tricyclo[6.2.2.0.sup.3,8 ]dodecane derivatives is presented. This novel process is applied to the synthesis of the odorant 4-acetyl-1,7,7-trimethyltricyclo[6.2.2.0.sup.3,8 ]-3-dodecene, also known as 4-aceto-6,8a-ethano-1,1,6-trimethyl-1,2,3,5,6,7,8,8a-octahydronaphthalene.
    Type: Grant
    Filed: August 3, 1976
    Date of Patent: January 10, 1978
    Assignee: Givaudan Corporation
    Inventors: Robert F. Tavares, Elliot Katten
  • Aliphatic dialdehyde-aromatic polyamine condensation products bound to proteins and enzymes
    Patent number: 4066504
    Abstract: Polymeric condensation products obtained by condensing specified amines and aldehydes have high activity to fix, i.e, insolubilize, proteins, including enzymes.
    Type: Grant
    Filed: August 13, 1976
    Date of Patent: January 3, 1978
    Assignee: Givaudan Corporation
    Inventors: Victor Krasnobajew, Regula Boeniger