Patents by Inventor Robert T. Dahill

Robert T. Dahill 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).

  • Patent number: 4519944
    Abstract: Fragrance compositions comprising 8-alkyl-1-oxaspiro[4.5]decan-2-ones wherein the alkyl group contains from one to four carbon atoms.
    Type: Grant
    Filed: May 16, 1983
    Date of Patent: May 28, 1985
    Assignee: Givaudan Corporation
    Inventors: Robert T. Dahill, Kenneth L. Purzycki, Erlinda F. Golle
  • Patent number: 3962354
    Abstract: There is provided a novel method of preparing the highly desired odorant cis-3-hexen-1-ol from alkyl phenyl ethers. The method comprises Birch reduction of the alkyl phenyl ether, sequentially followed by oxidative ring cleavage and reduction.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: June 8, 1976
    Assignee: Givaudan Corporation
    Inventor: Robert T. Dahill, Jr.