Patents by Inventor Roman Kaiser

Roman Kaiser 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).

  • Tobacco products containing oxygenated ionone derivatives
    Patent number: 4363331
    Abstract: The preparation and use as odorant and/or flavorant of compounds having the formula: ##STR1## wherein R represents a butyl, but-2-on-yl or 1,3-butadienyl group.
    Type: Grant
    Filed: August 28, 1981
    Date of Patent: December 14, 1982
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • 3-Butadienyl-2,4,4-trimethylcyclohex-2-enone and derivatives thereof
    Patent number: 4352943
    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: March 22, 1978
    Date of Patent: October 5, 1982
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • 2-Methyl-2-vinyl-5-(1'-hydroxy or acyloxy-1',5'-dimethyl-hex-4'-en-1'-yl)tetrahydrofuran
    Patent number: 4347190
    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: September 12, 1980
    Date of Patent: August 31, 1982
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky
  • 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
  • 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
  • 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
  • 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
  • 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
  • 1,4-Epoxy-1,3,3-trimethyl-2-(2-buten-1-ylidene)-cyclohexanes
    Patent number: 4225501
    Abstract: The invention is concerned with odorant and/or flavoring substances, a process for the manufacture thereof, 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: July 12, 1978
    Date of Patent: September 30, 1980
    Assignee: Givaudan Corporation
    Inventor: Roman Kaiser
  • Odorant and flavorant
    Patent number: 4190591
    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: January 11, 1978
    Date of Patent: February 26, 1980
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Peter Naegeli
  • Caryophyllane epoxide
    Patent number: 3978089
    Abstract: Novel caryophyllane derivatives, a process for their manufacture and odorant compositions containing the novel compounds are disclosed.
    Type: Grant
    Filed: July 12, 1973
    Date of Patent: August 31, 1976
    Assignee: Givaudan Corporation
    Inventors: Roman Kaiser, Dietmar Lamparsky