Patents by Inventor Michaela Gerstacker

Michaela Gerstacker 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).

  • PVD-aluminum pigment dispersion and cosmetic formulations
    Patent number: 12227654
    Abstract: This invention is directed to an effect pigment dispersion comprising a PVD-aluminum pigment, a leafing additive and an oil suitable for cosmetic skin care or color cosmetic applications, wherein a) the amount of the PVD-aluminum pigment is in a range of 8 to 30 wt.-%, b) the amount of the oil is in a range of 70 to 90 wt.-%, each based on the total weight of the effect pigment dispersion and c) the leafing additive is partly adsorbed on the surface of the PVD-aluminum pigment and partly an excess additive dissolved in the oil, wherein the amount of excess leafing additive is in a range of 0 to 25 wt.-%, based on the weight of PVD aluminum pigment. Further cosmetic skin care of color cosmetic formulations containing this effect pigment dispersion are described.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: February 18, 2025
    Assignee: ECKART GmbH
    Inventors: Christine Schilling, Andrea Wolfring, Michaela Gerstacker
  • PVD-ALUMINUM PIGMENT DISPERSION AND COSMETIC FORMULATIONS
    Publication number: 20210244634
    Abstract: This invention is directed to an effect pigment dispersion comprising a PVD-aluminum pigment, a leafing additive and an oil suitable for cosmetic skin care or color cosmetic applications, wherein a) the amount of the PVD-aluminum pigment is in a range of 8 to 30 wt.-%, b) the amount of the oil is in a range of 70 to 90 wt.-%, each based on the total weight of the effect pigment dispersion and c) the leafing additive is partly adsorbed on the surface of the PVD-aluminum pigment and partly an excess additive dissolved in the oil, wherein the amount of excess leafing additive is in a range of 0 to 25 wt.-%, based on the weight of PVD aluminum pigment. Further cosmetic skin care of color cosmetic formulations containing this effect pigment dispersion are described.
    Type: Application
    Filed: July 15, 2019
    Publication date: August 12, 2021
    Inventors: Christine Schilling, Andrea Wolfring, Michaela Gerstacker
  • Nail varnish with a velvety feel
    Patent number: 8889107
    Abstract: The present invention relates to a nail varnish including at least one effect pigment and at least one micronized wax, and to a process for producing it. Furthermore, the invention relates to the use of at least one micronized wax in a nail varnish and to an article provided with the nail varnish. Moreover, the invention relates to a mixture of at least one pigment and at least one micronized wax.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: November 18, 2014
    Assignee: Eckart GmbH
    Inventors: Ulrich Schmidt, Peter Kruger, Michaela Gerstacker, Sonja Kurz, Barbara Mendler
  • Nail Varnish with a Velvety Feel
    Publication number: 20120294918
    Abstract: The present invention relates to a nail varnish including at least one effect pigment and at least one micronized wax, and to a process for producing it. Furthermore, the invention relates to the use of at least one micronized wax in a nail varnish and to an article provided with the nail varnish. Moreover, the invention relates to a mixture of at least one pigment and at least one micronized wax.
    Type: Application
    Filed: April 20, 2011
    Publication date: November 22, 2012
    Applicant: ECKART GMBH
    Inventors: Ulrich Schmidt, Peter Kruger, Michaela Gerstacker, Sonja Kurz, Barbara Mendler