Patents by Inventor Ulli Harder

Ulli Harder 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).

  • Nitriles with odorant properties
    Patent number: 4193934
    Abstract: Compound of the formula ##STR1## in which n stands for 0 or 1 and, where "n" stands for 0, a double bond is present as indicated by the chain line, andR represents a cyclohexyl radical, or a phenyl radical which may optionally be substituted in the p-position by a lower alkyl radical.The compounds are produced by reaction of methylethyl ketone substituted in the .beta.-position by R with cyanoacetic acid in the presence of a basic catalyst. The compounds are useful as perfumes.
    Type: Grant
    Filed: October 12, 1978
    Date of Patent: March 18, 1980
    Assignee: Haarmann & Reimer GmbH
    Inventors: Kurt Bauer, Ulli Harder, Wolfgang Sturm