Patents by Inventor Richard E. Naipawer

Richard E. Naipawer 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).

  • .alpha.-campholenic alcohol, dihydro-.alpha.-campholenic alcohol and lower acyl esters thereof as tobacco flavorants
    Patent number: 4851050
    Abstract: .alpha.-Campholenic alcohol, dihydro-.alpha.-campholenic alcohol and the lower acyl esters thereof have organoleptic properties which make them useful as tobacco flavorants.
    Type: Grant
    Filed: January 30, 1986
    Date of Patent: July 25, 1989
    Assignee: Givaudan Corporation
    Inventors: Martin Rohr, Richard H. Potter, Richard E. Naipawer
  • Flavoring with .alpha.-campholenic alcohol
    Patent number: 4766002
    Abstract: Compounds of the general formula ##STR1## wherein R is hydrogen or an acyl group of two to five carbon atoms and the dotted line is an optional bond, are valuable flavor compounds and can be used to improve the flavor of foodstuffs and luxury consumables.
    Type: Grant
    Filed: February 13, 1986
    Date of Patent: August 23, 1988
    Assignee: Givaudan Corporation
    Inventors: Martin Rohr, Richard H. Potter, Richard E. Naipawer
  • (2R*,3S*)-(E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2- ol
    Patent number: 4696766
    Abstract: (2R*,3S*)-(E)-3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol possesses a very intense creamy, woody, musk, sandalwood odor and is a valuable ingredient for use in fragrance compositions for its musk and sandalwood-like qualities. This odorant is more intense than any of the campholenic aldehyde derivatives that have been previously reported.
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: September 29, 1987
    Assignee: Givaudan Corporation
    Inventor: Richard E. Naipawer
  • Process for the rearrangement of epoxides
    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
  • Process for the catalytic synthesis of conjugated dienes from dialkylallylamines
    Patent number: 4467118
    Abstract: There is disclosed a novel process for converting allylic amines, having a hydrogen bonded to a carbon .delta. to the amino group, to a diene in the presence of a zero valent palladium phosphine complex and a weak acid. The process has been used to make novel compositions containing 7-methoxy-3,7-dimethyloctadienes which are useful as odorants and flavorants.
    Type: Grant
    Filed: March 3, 1982
    Date of Patent: August 21, 1984
    Assignee: Givaudan Corporation
    Inventors: Alan J. Chalk, Steven A. Magennis, Vasile S. Wertheimer, Richard E. Naipawer
  • 3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol compound and perfume compositions
    Patent number: 4052341
    Abstract: 3-Methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pentan-2-ol possesses a strong, precious woody odor reminiscent of sandalwood oil and is especially valuable in fragrance compositions.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: October 4, 1977
    Assignee: Givaudan Corporation
    Inventors: Richard E. Naipawer, William M. Easter
  • Foodstuffs containing 2-mercaptobenzoic acid and derivatives thereof
    Patent number: 3984573
    Abstract: Methods for altering the flavor of foodstuffs and flavoring compositions for foodstuffs by including therein 2-mercaptobenzoic acid and derivatives thereof to produce in the foodstuffs and flavoring compositions a Concord grape flavor.
    Type: Grant
    Filed: January 6, 1976
    Date of Patent: October 5, 1976
    Assignee: Givaudan Corporation
    Inventors: Richard E. Naipawer, Michael Ferro, Leslie Blau