Patents by Inventor Karl Wunsch

Karl Wunsch 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).

  • Publication number: 20250082555
    Abstract: Process for dyeing keratin fibres using a cosmetic composition comprising propane-1,3-diol and a dyeing composition The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising the application to said fibres of an extemporaneous mixture of at least one cosmetic composition comprising propane-1,3-diol and at least one dyeing composition. The invention also relates to a multi-compartment device comprising at least one first compartment containing the cosmetic composition comprising propane-1,3-diol and at least one second compartment containing the dyeing composition.
    Type: Application
    Filed: December 21, 2022
    Publication date: March 13, 2025
    Applicant: L'Oreal
    Inventors: Julie Bruyere, Karl Wunsch, Maud Mario
  • Patent number: 11596588
    Abstract: The present disclosure relates to color-altering compositions. The compositions comprise a hair color-altering agent and at least one carboxylic acid. Certain compositions further comprise at least one amino acid or amino sulfonic acid, and/or a salt thereof selected from the group consisting of taurine, aspartic acid, cysteine, lysine, methionine, tyrosine, phenylalanine, carnitine, a salt thereof, and a mixture thereof. Also provided are kits and methods of using said color-altering compositions.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: March 7, 2023
    Assignee: L'OREAL
    Inventors: Sarah Barrie Machover, Karl Wunsch, Aurélie Camblong, Agathe Lahaye, Fabien Boulineau
  • Patent number: 11471392
    Abstract: The subject of the invention is a composition for treating keratin fibers, comprising one or more oxyalkylenated fatty amide(s) of formula (I), one or more oxyalkylenated fatty alcohol(s), and one or more chemical oxidizing agent(s); it being understood that the oxyethylenated fatty alcohol(s)/oxyethylenated fatty amide(s) of formula (I) weight ratio is less than or equal to 1 and that the pH of the composition is less than or equal to 5.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: October 18, 2022
    Assignee: L'OREAL
    Inventors: Karl Wunsch, Agathe Lahaye, Dominique Leptacz
  • Publication number: 20220202676
    Abstract: The present disclosure relates to color-altering compositions. The compositions comprise a hair color-altering agent and at least one carboxylic acid. Certain compositions further comprise at least one amino acid or amino sulfonic acid, and/or a salt thereof selected from the group consisting of taurine, aspartic acid, cysteine, lysine, methionine, tyrosine, phenylalanine, carnitine, a salt thereof, and a mixture thereof. Also provided are kits and methods of using said color-altering compositions.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 30, 2022
    Inventors: Sarah Barrie MACHOVER, Karl WUNSCH, Aurélie CAMBLONG, Agathe LAHAYE, Fabien BOULINEAU
  • Publication number: 20220047480
    Abstract: The subject of the invention is a composition for treating keratin fibers, comprising one or more oxyalkylenated fatty amide(s) of formula (I), one or more oxyalkylenated fatty alcohol(s), and one or more chemical oxidizing agent(s); it being understood that the oxyethylenated fatty alcohol(s)/oxyethylenated fatty amide(s) of formula (I) weight ratio is less than or equal to 1 and that the pH of the composition is less than or equal to 5.
    Type: Application
    Filed: December 16, 2019
    Publication date: February 17, 2022
    Inventors: Karl WUNSCH, Agathe LAHAYE, Dominique LEPTACZ
  • Publication number: 20190201309
    Abstract: The present disclosure relates to color-altering compositions. The compositions comprise a hair color-altering agent and at least one carboxylic acid. Certain compositions further comprise at least one amino acid or amino sulfonic acid, and/or a salt thereof selected from the group consisting of taurine, aspartic acid, cysteine, lysine, methionine, tyrosine, phenylalanine, carnitine, a salt thereof, and a mixture thereof. Also provided are kits and methods of using said color-altering compositions.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 4, 2019
    Inventors: Sarah Barrie MACHOVER, Karl Wunsch, Aurélie Camblong, Agathe Lahaye, Fabien Boulineau