Patents by Inventor Ursula Weber

Ursula Weber 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).

  • Trimethylbicyclo [4.3.0] non-1-ene derivatives
    Patent number: 4555359
    Abstract: Trimethylbicyclo [4.3.0] non-1-ene derivatives are fragrant substances which are suitable for use alone and in perfume and odorant compositions. Methods of preparation and representive compositions are also disclosed.
    Type: Grant
    Filed: January 18, 1983
    Date of Patent: November 26, 1985
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Klaus Bruns, Ursula Weber
  • Perfume compositions containing 4(5)-acetyl-7,7,9(7,9,9)-trimethylbicyclo[4.]non-1-ene
    Patent number: 4302363
    Abstract: This invention is directed to the isomer mixture 4(5)-acetyl-7,7,9(7,9,9)-trimethylbicyclo[4.3.0]non-1-ene, the preparation thereof, and the use of said mixture as a perfuming agent. The isomer mixture represents a valuable new perfuming agent having strong, warm ambergris scent with woody tobacco leaf, methyl ionone, and arborvitae notes and having exceptional persistence as well.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: November 24, 1981
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Klaus Bruns, Ursula Weber