Patents by Inventor Dirk Lauven

Dirk Lauven 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).

  • Aromatic and/or flavor substances
    Patent number: 6025005
    Abstract: There is described the utilization of thiocarbonic acid or carbothioic acid of the general formula ##STR1## R=Methyl, Ethyl, Propyl, Phenyl as an aroma and/or flavor substance. Further, aroma and/or flavor substance compositions are described, which have a content of thiocarbonic acid or carbothioic acids of the general formula I. It is preferred that the content of the thiocarbonic acid or carbothioic acids are between 10.sup.-6 and 5.times.10.sup.-4. Tropical aromas and scent substances in particular can be positively influenced olfactorily and sensorily.
    Type: Grant
    Filed: September 17, 1997
    Date of Patent: February 15, 2000
    Assignee: Dragoco Gerberding & Co. AG
    Inventors: Wilhelm Pickenhagen, Axel Schoning, Sabine Widder, Dirk Lauven