Patents by Inventor Ruth Josie Donat

Ruth Josie Donat 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: 9402800
    Abstract: Disclosed are cosmetic compositions comprising latex film formers chosen from at least one random styrene acrylate copolymer or derivatives thereof, and at least one acrylate copolymer or derivatives thereof, in combination with at least one coalescent and/or plasticizer. Also disclosed are cosmetic compositions comprising at least one latex film forming blend comprising (1) at least one random styrene acrylate copolymer and at least one acrylate copolymer or derivative thereof, or (2) at least two random styrene acrylate copolymers. Polyurethane latex dispersions may be incorporated into the compositions. Optionally, the cosmetic compositions may additionally comprise at least one coalescent and/or plasticizer in combination with the at least one latex film forming blend.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: August 2, 2016
    Assignee: L'OREAL
    Inventors: Chunhua Li, Hy Si Bui, Jean-Thierry Simonnet, Anne Wagner, Ruth Josie Donat
  • Patent number: 8889108
    Abstract: Disclosed are cosmetic compositions comprising at least one latex-film former chosen from at least one acrylate copolymer and derivatives thereof, and at least one coalescent and/or plasticizer.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: November 18, 2014
    Assignee: L'Oreal
    Inventors: Chunhua Li, Hy Si Bui, Jean-Thierry Simonnet, Anne Wagner, Ruth Josie Donat
  • Publication number: 20140328780
    Abstract: Disclosed are cosmetic compositions comprising latex film formers chosen from at least one random styrene acrylate copolymer or derivatives thereof, and at least one acrylate copolymer or derivatives thereof, in combination with at least one coalescent and/or plasticizer. Also disclosed are cosmetic compositions comprising at least one latex film forming blend comprising (1) at least one random styrene acrylate copolymer and at least one acrylate copolymer or derivative thereof, or (2) at least two random styrene acrylate copolymers. Polyurethane latex dispersions may be incorporated into the compositions. Optionally, the cosmetic compositions may additionally comprise at least one coalescent and/or plasticizer in combination with the at least one latex film forming blend.
    Type: Application
    Filed: October 1, 2012
    Publication date: November 6, 2014
    Inventors: Chunhua Li, Hy Si Bui, Jean-Thierry Simonnet, Anne Wagner, Ruth Josie Donat
  • Patent number: 8790669
    Abstract: Disclosed are cosmetic compositions comprising at least one latex-film former chosen from at least one random styrene acrylate copolymer and derivatives thereof, and at least one coalescent and/or plasticizer.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: July 29, 2014
    Assignee: L'Oreal
    Inventors: Chunhua Li, Hy Si Bui, Jean-Thierry Simonnett, Anne Wagner, Ruth Josie Donat