Patents by Inventor Peter Schudel

Peter Schudel 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).

  • Process for treating 2-ethylhexyl p-methoxycinnamate in the presence of a phenol
    Patent number: 4713473
    Abstract: A process for treating 2-ethylhexyl p-methoxycinnamic acid ester is described. The process comprises heating, preferably distilling, the ester in the presence of a phenol to insure that the ester is considered Ames negative.
    Type: Grant
    Filed: January 8, 1987
    Date of Patent: December 15, 1987
    Assignee: Givaudan Corporation
    Inventors: Peter Schudel, Rolf Schwarzenbach, Hans U. Gonzenbach
  • 3-Phenyl-propionaldehydes
    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
  • Process for the preparation of dihydrocinnamaldehyde derivatives
    Patent number: 4435585
    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 17, 1981
    Date of Patent: March 6, 1984
    Assignee: Givaudan Corporation
    Inventors: Yvo Crameri, Paul A. Ochsner, Peter Schudel
  • Perfume compositions containing p-menthane-8-thiol-3-one
    Patent number: 4032478
    Abstract: There is provided a hitherto unknown compound, p-Menthane-8-thiol-3-one which is particularly useful as a flavorant or odorant yielding the aroma of cassis. There are also provided methods of making this compound and compositions utilizing the same.
    Type: Grant
    Filed: March 22, 1974
    Date of Patent: June 28, 1977
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Peter Schudel
  • Flavoring with 3,7-dimethyl-octa-2,6-dienyl-mercaptan
    Patent number: 3996387
    Abstract: The preparation and use of the novel 3,7-dimethyl-octa-2,6-dienyl-mercaptan as a new odorant and flavorant is disclosed.
    Type: Grant
    Filed: December 20, 1974
    Date of Patent: December 7, 1976
    Assignee: Givaudan Corporation
    Inventors: Daniel Helmlinger, Dietmar Lamparsky, Peter Schudel, Jost Wild, Trudi Sigg-Grutter
  • Process for preparation of terpene flavorants and novel intermediates therefor
    Patent number: 3984446
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines present a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: October 5, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel
  • 3,7-Dimethyl-octa-2,6 dienyl-mercaptan perfume composition
    Patent number: 3975311
    Abstract: The preparation and use of the novel 3,7-dimethyl-octa-2,6-dienyl-mercaptan as a new odorant and flavorant is disclosed.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: August 17, 1976
    Assignee: Givaudan Corporation
    Inventors: Daniel Helminger, Dietmar Lamparsky, Peter Schudel, Jost Wild, Trudi Sigg-Grutter
  • P-Meth-8-ene-6-thiol-2-one
    Patent number: 3974222
    Abstract: There are provided novel mercapto- or alkylthio-substituted oxo-terpenoids having 10 carbon atoms in the terpenoid skeleton. These novel compounds may be acyclic monocyclic or bicyclic. The novel compounds are useful as odorants particularly, but also for producing aromas, e.g. of a vegetable note.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: August 10, 1976
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Peter Schudel
  • Process for preparation of terpene flavorants and novel intermediates therefor
    Patent number: 3974226
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines represent a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: August 10, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel
  • 4-Methylene-5-hexen-1-ol
    Patent number: 3965198
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines represent a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: July 17, 1975
    Date of Patent: June 22, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel
  • Terpene flavorant intermediates
    Patent number: 3962283
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines present a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: October 16, 1974
    Date of Patent: June 8, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel
  • Mercapto carboxylic acid esters
    Patent number: 3954843
    Abstract: There are disclosed novel .beta.-mercapto carboxylic acid esters and methods of producing the same. These novel esters are useful as odorants and flavorants.
    Type: Grant
    Filed: March 29, 1974
    Date of Patent: May 4, 1976
    Assignee: Givaudan Corporation
    Inventors: Daniel Helmlinger, Dietmar Lamparsky, Peter Schudel, Trudi Sigg-Grutter, Jost Wild
  • Mercapto- or alkylthio-substituted menthenones
    Patent number: 3952062
    Abstract: There are provided novel mercapto- or alkylthio-substituted oxo-terpenoids having 10 carbon atoms in the terpenoid skeleton. These novel compounds may be acyclic monocyclic or bicyclic. The novel compounds are useful as odorants particularly, but also for producing aromas, e.g. of a vegetable note.
    Type: Grant
    Filed: April 26, 1974
    Date of Patent: April 20, 1976
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Peter Schudel
  • 2-Methylthio-myrtanal
    Patent number: 3950429
    Abstract: There are provided novel mercapto- or alkylthio-substituted oxo-terpenoids having 10 carbon atoms in the terpenoid skeleton. These novel compounds may be acyclic monocyclic or bicyclic. The novel compounds are useful as odorants particularly, but also for producing aromas, e.g. of a vegetable note.
    Type: Grant
    Filed: April 26, 1974
    Date of Patent: April 13, 1976
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Peter Schudel
  • Process for preparation of terpene flavorants and novel intermediates therefor
    Patent number: 3950430
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines present a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: January 25, 1974
    Date of Patent: April 13, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel
  • Mercapto carboxylic acid esters
    Patent number: 3948816
    Abstract: There are disclosed novel .beta.-mercapto carboxylic acid esters and methods of producing the same. These novel esters are useful as odorants and flavorants.
    Type: Grant
    Filed: March 28, 1974
    Date of Patent: April 6, 1976
    Assignee: Givaudan Corporation
    Inventors: Daniel Helmlinger, Dietmar Lamparsky, Peter Schudel, Trudi Sigg-Grutter, Jost Wild
  • Process for preparation of terpene flavorants and novel intermediates therefor
    Patent number: 3939206
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines present a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: January 25, 1974
    Date of Patent: February 17, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel
  • Process for preparation of terpene flavorants and novel intermediates therefor
    Patent number: 3935275
    Abstract: A process for preparing compounds of the type of sinensal, which is suitable as a flavor-imparting agent of orange aroma, and novel intermediates including those having the general formula: ##SPC1##Wherein R signifies a CH.sub.2 OH, CHO or COOH group and the broken lines present a double bond emanating from C-atom 4, are disclosed.
    Type: Grant
    Filed: January 25, 1974
    Date of Patent: January 27, 1976
    Assignee: Givaudan Corporation
    Inventors: Erhard Bertele, Peter Schudel