Patents by Inventor Astrid Kroos

Astrid Kroos 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).

  • Sulfonimines as bleaching activators
    Patent number: 8323356
    Abstract: Agent for lightening keratinic fibers, particularly human hair, wherein the agent contains, in a cosmetic carrier, at least one oxidizing agent chosen from hydrogen peroxide and/or a solid addition product thereof with organic or inorganic compounds, and at least one sulfonimine of formula (I)—
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: December 4, 2012
    Assignee: Henkel AG & Co. KGaA
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos, Katja Guenther
  • PHTHALIMIDES AS BLEACH ACTIVATORS
    Publication number: 20120246841
    Abstract: Agent for lightening keratin fibers, particularly human hair. The agent for lightening keratin fibers contains at least one cationic phthalimide of formula (I) in addition to an oxidant in a cosmetic carrier.
    Type: Application
    Filed: June 18, 2012
    Publication date: October 4, 2012
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos
  • Lightening agent having cationic acylpyridinium derivatives and certain ammonium compounds
    Patent number: 8277516
    Abstract: Agent for lightening keratinous fibers comprising in a cosmetic carrier (i) at least one oxidation agent, (ii) at least one acylpyridinium derivative of Formula (I) and (iii) at least one ammonium compound comprising hydroxyl groups of Formula (II).
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: October 2, 2012
    Assignee: Henkel AG & Co. KGaA
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos, Georg Knuebel
  • Lightening agent having cationic acylpyridinium derivatives and certain amino acids
    Patent number: 8277517
    Abstract: Method for lightening keratinous fibers, wherein a cosmetic carrier comprises (i) at least one oxidation agent, (ii) at least one acylpyridinium derivative of formula (I) and (iii) at least one amino acid comprising hydroxyl groups and/or the physiologically compatible salts thereof and/or the alkyl esters thereof.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: October 2, 2012
    Assignee: Henkel AG & Co. KGaA
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos, Georg Knuebel
  • SULFONIMINES AS BLEACHING ACTIVATORS
    Publication number: 20120227756
    Abstract: Agent for lightening keratinic fibers, particularly human hair, wherein the agent contains, in a cosmetic carrier, at least one oxidizing agent chosen from hydrogen peroxide and/or a solid addition product thereof with organic or inorganic compounds, and at least one sulfonimine of formula (I)—
    Type: Application
    Filed: May 25, 2012
    Publication date: September 13, 2012
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos, Katja Guenther
  • LIGHTENING AGENT HAVING CATIONIC ACYLPYRIDINIUM DERIVATIVES AND CERTAIN AMINO ACIDS
    Publication number: 20120192891
    Abstract: Method for lightening keratinous fibers, wherein a cosmetic carrier comprises (i) at least one oxidation agent, (ii) at least one acylpyridinium derivative of formula (I) and (iii) at least one amino acid comprising hydroxyl groups and/or the physiologically compatible salts thereof and/or the alkyl esters thereof.
    Type: Application
    Filed: April 12, 2012
    Publication date: August 2, 2012
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos, Georg Knuebel
  • LIGHTENING AGENT HAVING CATIONIC ACYLPYRIDINIUM DERIVATIVES AND CERTAIN AMMONIUM COMPOUNDS
    Publication number: 20120192890
    Abstract: Agent for lightening keratinous fibers comprising in a cosmetic carrier (i) at least one oxidation agent, (ii) at least one acylpyridinium derivative of Formula (I) and (iii) at least one ammonium compound comprising hydroxyl groups of Formula (II).
    Type: Application
    Filed: April 12, 2012
    Publication date: August 2, 2012
    Inventors: Wibke Gross, Ralph Nemitz, Astrid Kroos, Georg Knuebel
  • After Treatment for Color Fixation
    Publication number: 20120080046
    Abstract: Cosmetic hair post-treatment agent for improving washing fastness of coloring processes produced on hair and for color fixing, the post-treatment agent containing, in a cosmetic carrier, at least one acetylpyridinium derivative of formula (I) wherein R1 is a C1 to C6 alkyl group, a C2 to C6 alkenyl group, a C2 to C6 hydroxyalkyl group, a C1 to C6 alkoxy-C2 to C6 alkyl group, a carboxy-C2 to C6 alkyl group, an aryl-C1 to C6 alkyl group, a heteroaryl-C1 to C6 alkyl group, an aryl group, or a heteroaryl group, and X? is a physiologically acceptable anion.
    Type: Application
    Filed: December 8, 2011
    Publication date: April 5, 2012
    Inventors: Wibke Gross, Georg Knuebel, Astrid Kroos, Ralph Nemitz