Patents by Inventor Dietrich Kastner

Dietrich Kastner 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).

  • Unsaturated aliphatic ketone and use of same as perfuming ingredient
    Patent number: 4731356
    Abstract: 2,3-Epoxy-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1-butanone, an epoxy ketone of formula ##STR1## possess useful fragrance characters and, consequently, it can be used advantageously in the manufacture of perfume, perfume bases and perfumed products. It develops a flowery and fruity odor.
    Type: Grant
    Filed: June 4, 1987
    Date of Patent: March 15, 1988
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Dietrich Kastner
  • Unsaturated aliphatic ketone [and use of same as perfuming ingredient]
    Patent number: 4717771
    Abstract: 2,3-Epoxy-1-(2,6,6-trimethyl-2-cyclohexen-1-yl)-1-butanone, an epoxy ketone of formula ##STR1## possesses useful fragrance characters and, consequently, it can be used advantageously in the manufacture of perfume, perfume bases and perfumed products. It develops a flowery and fruity odor.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: January 5, 1988
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Dietrich Kastner
  • Utilization of 1-cyclopentenylacetic acid as perfuming ingredient
    Patent number: 4584127
    Abstract: 1-Cyclopentenylacetic acid, a compound of formula ##STR1## possesses useful odorous properties and consequently can find an advantageous application for the preparation of perfume compositions, perfume bases and perfumed products.
    Type: Grant
    Filed: January 12, 1984
    Date of Patent: April 22, 1986
    Assignee: Firmenich SA
    Inventors: Arnoldus Uijttewaal, Dietrich Kastner
  • Perfuming ingredient
    Patent number: 4411829
    Abstract: Methyl 2,6,6-trimethyl-cyclohex-2-en-1-yl carboxylate is a useful perfuming ingredient, especially for the reproduction of fruity, floral and fresh odor notes.
    Type: Grant
    Filed: December 15, 1981
    Date of Patent: October 25, 1983
    Assignee: Firmenich SA
    Inventors: Karl H. Schulte-Elte, Dietrich Kastner