Patents by Inventor Astrid Kaufhold

Astrid Kaufhold 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).

  • Ethanol-free perfume oil microemulsion
    Patent number: 8513180
    Abstract: An ethanol-free perfume oil microemulsion is described, comprising or consisting of (a) water, (b) one or a plurality of vicinal diol(s), (c) one, two or three solvent(s) for reducing stickiness, selected from the group consisting of glycerol, isobutyric acid-1-hydroxy-2,2,4-trimethyl-3-pentyl ester and isobutyric acid-3-hydroxy-2,2,4-trimethyl-1-pentyl ester, and (d) one or a plurality of odor essence(s) and (e) optionally one or a plurality of further substances. Furthermore, uses and methods for reducing the stickiness of ethanol-free perfume oil microemulsions and articles comprising perfume oil microemulsions according to the invention are described.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: August 20, 2013
    Assignee: Symrise AG
    Inventors: Joern Wiedemann, Astrid Kaufhold
  • ETHANOL-FREE PERFUME OIL MICROEMULSION
    Publication number: 20120101020
    Abstract: An ethanol-free perfume oil microemulsion is described, comprising or consisting of (a) water, (b) one or a plurality of vicinal diol(s), (c) one, two or three solvent(s) for reducing stickiness, selected from the group consisting of glycerol, isobutyric acid-1-hydroxy-2,2,4-trimethyl-3-pentyl ester and isobutyric acid-3-hydroxy-2,2,4-trimethyl-1-pentyl ester, and (d) one or a plurality of odor essence(s) and (e) optionally one or a plurality of further substances. Furthermore, uses and methods for reducing the stickiness of ethanol-free perfume oil microemulsions and articles comprising perfume oil microemulsions according to the invention are described.
    Type: Application
    Filed: October 25, 2011
    Publication date: April 26, 2012
    Applicant: SYMRISE AG
    Inventors: Joern Wiedemann, Astrid Kaufhold