Patents by Inventor David J. Sitko

David J. Sitko 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).

  • Patent number: 10173966
    Abstract: Physiological cooling compounds of the structure: where R1 is p-menthyl or 2,3,4-trimethylpent-3-yl group and R2-R8 are hydrogen or alkyl groups. The combination of R2-R8 is such that the N-alkyl group is a branched C5 alkyl or branched or linear C6-C8 alkyl group. The new carboxamides are valuable sensory ingredients which provide long-lasting cooling sensation and freshness in personal care, oral care, cosmetic products, pharmaceutical preparations, confectionary, food and beverages.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: January 8, 2019
    Assignee: SYMRISE, INC.
    Inventors: Gennadiy G. Kolomeyer, David J. Sitko, Joe W. Snow
  • Publication number: 20160355463
    Abstract: Physiological cooling compounds of the structure: where R1 is p-menthyl or 2,3,4-trimethylpent-3-yl group and R2-R8 are hydrogen or alkyl groups. The combination of R2-R8 is such that the N-alkyl group is a branched C5 alkyl or branched or linear C6-C8 alkyl group. The new carboxamides are valuable sensory ingredients which provide long-lasting cooling sensation and freshness in personal care, oral care, cosmetic products, pharmaceutical preparations, confectionary, food and beverages.
    Type: Application
    Filed: June 4, 2015
    Publication date: December 8, 2016
    Inventors: Gennadiy G. Kolomeyer, David J. Sitko, Joe W. Snow