Patents by Inventor André HAETZELT

André HAETZELT 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: 12453693
    Abstract: The present invention relates to a process for the production of multilayer microcapsules, in particular multilayer odiferous substance capsules or fragrance compound capsules, which have improved stability and odiferous substance release or fragrance compound release compared to prior art capsules. In addition, the present invention relates to multilayer microcapsules comprising at least one hydrophobic odiferous substance or fragrance compound obtainable by the process of the invention. In another aspect, the invention described herein relates to multilayer microcapsules comprising a core comprising at least one hydrophobic odiferous substance or fragrance compound, and a capsule shell.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: October 28, 2025
    Assignee: SYMRISE AG
    Inventors: Julian Alexander Georgi, Benjamin Rost, Ralf Bertram, Britta Raabe, André Haetzelt, Joern Wiedemann
  • Publication number: 20230018872
    Abstract: The present invention relates to a process for the production of multilayer microcapsules, in particular multilayer odiferous substance capsules or fragrance compound capsules, which have improved stability and odiferous substance release or fragrance compound release compared to prior art capsules. In addition, the present invention relates to multilayer microcapsules comprising at least one hydrophobic odiferous substance or fragrance compound obtainable by the process of the invention. In another aspect, the invention described herein relates to multilayer microcapsules comprising a core comprising at least one hydrophobic odiferous substance or fragrance compound, and a capsule shell.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 19, 2023
    Inventors: Julian Alexander Georgi, Benjamin Rost, Ralf Bertram, Britta Raabe, André Haetzelt, Joern Wiedemann
  • Publication number: 20170306267
    Abstract: The disclosure relates to a method for washing textiles in a washing machine that comprises a washing chamber for receiving a washing liquid and textiles to be cleaned, as well as an activation device which has an inlet for supplying washing liquid from the washing chamber into said activation device and an outlet for conducting washing liquid out of the activation device and into said washing chamber, and which also comprises at least one activation agent that is suitable for triggering a process for the formation of free radicals in the washing liquid, within said activation device, said washing liquid containing an acylhydrazone.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 26, 2017
    Applicant: Henkel AG & Co. KGaA
    Inventors: André Haetzelt, Iwona Spill, Mareile Job
  • Publication number: 20170298305
    Abstract: The disclosure relates to a method of washing textiles in a washing machine having a washing chamber for accommodating a washing liquid and textiles to be cleaned and having an activating unit possessing an inlet or introduction of washing liquid from the washing chamber into the activating unit and possessing an outlet for guiding washing liquid out of the activating unit into the washing chamber, and additionally having at least one means of activation suitable for setting in motion a process for forming free radicals in the washing liquid within the activating unit, wherein the washing liquid comprises an organic bleach booster compound, especially a zwitterionic 3,4-dihydroisoquinolinium derivative.
    Type: Application
    Filed: September 30, 2015
    Publication date: October 19, 2017
    Applicant: Henkel AG & Co. KGaA
    Inventors: André Haetzelt, Iwona Spill, Bent Rogge
  • Publication number: 20170175048
    Abstract: The invention relates to a granulate of a particular bleach catalyst i. e. an acylhydrazone compound. The granulate contains a specific two-layer coating and is useful as bleach catalyst in powder detergents. Further aspects of the invention are the preparation of the granulate and a washing or bleaching formulation containing the granulate.
    Type: Application
    Filed: May 6, 2015
    Publication date: June 22, 2017
    Inventors: Ullrich MENGE, André HAETZELT, Bernd LARSON