Patents by Inventor Laura Knechtel

Laura Knechtel 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: 10603260
    Abstract: Oxidative compositions for oxidative treatment of hair, kits including such compositions, and methods for oxidative color change are provided. An exemplary oxidative composition includes comprises water, hydrogen peroxide, at least linear saturated 1-alkanol with from about 12 to about 30 carbon atoms, at least one anionic surfactant selected from alkyl sulfates and alkyl ether sulfates, dipicolinic acid, 1-hydroxyethane-1,1-diphosphonic acid, disodium pyrophosphate, benzoic acid or a salt thereof, and potassium hydroxide. The exemplary oxidative composition has a pH in the range of from about 2 to about 3.8, each measured at 20° C. The exemplary oxidative composition includes no phosphoric acid, no salicylic acid, no diethylenetriamine pentaacetic acid, no ethylenediamine tetraacetic acid, no nitrilotriacetic acid nor salts thereof, and no phenacetin, no stannates, no cationic surfactants and no oil.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: March 31, 2020
    Assignee: Henkel AG & Co. KGaA
    Inventors: Carsten Brake, Burkhard Mueller, Torsten Lechner, Lucile Bonnin, Laura Knechtel
  • Publication number: 20190142717
    Abstract: Aqueous hydrogen peroxide preparations containing selected 1-alkanols in a total amount of from about 1 to about 2.8 wt %, selected anionic surfactants in a total amount of from about 0.05 to about 0.5 wt %, additionally dipicolinic acid, 1-hydroxyethane-1,1-diphosphonic acid, disodium pyrophosphate, benzoic acid and potassium hydroxide in selected amounts can be adjusted to be stable in storage at a pH in the range of from about 2 to about 3.8 (about 20° C.) without adding any additional stabilizers.
    Type: Application
    Filed: October 30, 2018
    Publication date: May 16, 2019
    Applicant: Henkel AG & Co. KGaA
    Inventors: Carsten Brake, Burkhard Mueller, Torsten Lechner, Lucile Bonnin, Laura Knechtel