Patents by Inventor Arnold Hauser

Arnold Hauser 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).

  • Bicyclic aldehyde and its use as perfuming agent
    Patent number: 4522748
    Abstract: Bicyclic aldehydes of formula ##STR1## possess useful organoleptic properties and can be used advantageously as perfume and flavor ingredients. Compounds (I) develop woody and ambery odor notes and woody, musky and earthy gustative characteristics. They are prepared by a multistep process starting from (E)-13-norcaryophyll-4-en-8-one.
    Type: Grant
    Filed: August 19, 1983
    Date of Patent: June 11, 1985
    Assignee: Firmenich SA
    Inventors: Bruno Maurer, Arnold Hauser
  • Pyranic derivatives for use in the preparation of muscone
    Patent number: 4341897
    Abstract: New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: July 27, 1982
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Arnold Hauser, Gunther Ohloff
  • Process for the preparation of muscone
    Patent number: 4277625
    Abstract: New process for the preparation of muscone, a valuable macrocyclic musky perfume ingredient. The process makes use of an .alpha.,.omega.-dialdehyde as starting material.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: July 7, 1981
    Assignee: Firmenich SA
    Inventors: Karl-Heinrich Schulte-Elte, Arnold Hauser, Gunther Ohloff
  • Process for preparing a furanic compound
    Patent number: 4203907
    Abstract: Process for preparing 3-methyl-2-[3-methyl-but-2-en-1-yl]-furan, known under the trivial name of rosefuran, starting from cheaply available furfural via a four-step synthesis.
    Type: Grant
    Filed: June 27, 1978
    Date of Patent: May 20, 1980
    Assignee: Firmenich, S.A.
    Inventors: Richard C. Cookson, Karl-Heinrich Schulte-Elte, Arnold Hauser
  • 6,6,7-Trimethyl-tricyclo[5.2.2.0.sup.1,5 ]undec-8-en-2-one
    Patent number: 4124642
    Abstract: Novel tricyclo-ketone derivatives useful as perfume ingredients and as intermediates for the preparation of (.+-.) khusimone.
    Type: Grant
    Filed: September 19, 1977
    Date of Patent: November 7, 1978
    Assignee: Firmenich, S.A.
    Inventors: George H. Buchi, Arnold Hauser