Patents Assigned to ROVI Cosmetics International GmbH
  • Patent number: 8192505
    Abstract: The present invention concerns cosmetic compositions for coloring hair comprising at least one direct hair dye and a carrier system for the at least one direct hair dye, the use of such compositions in cosmetic formulations for coloring hair and processes for the production of the compositions.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: June 5, 2012
    Assignee: Rovi Cosmetics International GmbH
    Inventors: Monika Beyer, Dirk Teichmüller
  • Patent number: 8152860
    Abstract: The present invention concerns cosmetic compositions for coloring hair comprising at least one direct hair dye and a carrier system for the at least one direct hair dye, and the use of such compositions in cosmetic formulations for coloring hair. To provide a possible way with which the permanence of the bond of direct hair dyes to the hair can be improved, with the aim of direct dyes remaining on the hair for as long as possible to deliver the desired hair color in the desired quality for as long as possible, according to the invention there are proposed compositions of the aforementioned kind in which the carrier system is vesicular and comprises vesicles which are made up from hydrophobised polysaccharides and have a particle size of between 10 and 1000 nm as well as a positive surface charge with a zeta potential in the range of between 1 and 150 mV.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: April 10, 2012
    Assignee: ROVI Cosmetics International GmbH
    Inventors: Monika Beyer, Dirk Teichmüller
  • Publication number: 20110302726
    Abstract: The present invention concerns cosmetic compositions for coloring hair comprising at least one direct hair dye and a carrier system for the at least one direct hair dye, the use of such compositions in cosmetic formulations for coloring hair and processes for the production of the compositions.
    Type: Application
    Filed: June 9, 2011
    Publication date: December 15, 2011
    Applicant: ROVI Cosmetics International GmbH
    Inventors: Monika Beyer, Dirk Teichmüller
  • Publication number: 20110302725
    Abstract: The present invention concerns cosmetic compositions for coloring hair comprising at least one direct hair dye and a carrier system for the at least one direct hair dye, and the use of such compositions in cosmetic formulations for coloring hair. To provide a possible way with which the permanence of the bond of direct hair dyes to the hair can be improved, with the aim of direct dyes remaining on the hair for as long as possible to deliver the desired hair color in the desired quality for as long as possible, according to the invention there are proposed compositions of the aforementioned kind in which the carrier system is vesicular and comprises vesicles which are made up from hydrophobised polysaccharides and have a particle size of between 10 and 1000 nm as well as a positive surface charge with a zeta potential in the range of between 1 and 150 mV.
    Type: Application
    Filed: June 9, 2011
    Publication date: December 15, 2011
    Applicant: ROVI Cosmetics International GmbH
    Inventors: Monika Beyer, Dirk Teichmüller
  • Publication number: 20110229535
    Abstract: The present invention concerns a composition having at least one sirtuin activator and a carrier system for the at least one sirtuin activator, wherein the carrier system includes lipid vesicles with one or more lipid membranes.
    Type: Application
    Filed: July 9, 2010
    Publication date: September 22, 2011
    Applicant: ROVI Cosmetics International GmbH
    Inventors: Monika BEYER, Dirk Teichmüller, Sarah Teichmüller, Christian Munk
  • Publication number: 20110200666
    Abstract: To provide a UV protection agent for topical application to the skin or hair with a very high UV filter substance concentration and good adhesion to skin and hair in accordance with the invention there is proposed a UV protection agent having at least one UV filter substrate encapsulated in a vesicle carrier system, wherein the UV protection agent is characterised in that the at least one UV filter substance encapsulated in the vesicular carrier system is soluble in oil and the vesicular carrier system comprises vesicles which are made up of hydrophobised polysaccharides and are of a particle size of between 10 and 1000 nm and have a positive surface charge with a zeta potential in the range of between 1 and 150 mV. In addition there is proposed the use of such a UV protection agent in suitable cosmetic and/or pharmaceutical formulations.
    Type: Application
    Filed: July 9, 2010
    Publication date: August 18, 2011
    Applicant: ROVI Cosmetics International GmbH
    Inventors: Dirk Teichmüller, Monika Beyer, Michael Sacher