Patents by Inventor Maik Winkler

Maik Winkler 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).

  • Flexible color adjustment for dark Cr(III) platings
    Patent number: 10988854
    Abstract: The invention relates to a method for the adjustment of the lightness L* of electrolytically deposited chromium-finishes on workpieces obtained by an electroplating bath comprising at least chromium(III)-ions and sulfur containing organic compounds, wherein the concentration of the sulfur containing organic compounds in the bath are adjusted by passing at least part of the bath composition through an activated carbon filter. Furthermore, the invention is directed to dark chrome coatings comprising a defined concentration gradient of deposited sulfur containing organic compounds.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: April 27, 2021
    Assignee: MacDermid Enthone Inc.
    Inventors: Andreas Konigshofen, Maik Winkler
  • FLEXIBLE COLOR ADJUSTMENT FOR DARK Cr(III) PLATINGS
    Publication number: 20200141022
    Abstract: The invention relates to a method for the adjustment of the lightness L* of electrolytically deposited chromium-finishes on workpieces obtained by an electroplating bath comprising at least chromium(III)-ions and sulfur containing organic compounds, wherein the concentration of the sulfur containing organic compounds in the bath are adjusted by passing at least part of the bath composition through an activated carbon filter. Furthermore, the invention is directed to dark chrome coatings comprising a defined concentration gradient of deposited sulfur containing organic compounds.
    Type: Application
    Filed: December 10, 2019
    Publication date: May 7, 2020
    Applicant: MacDermid Enthone Inc.
    Inventors: Andreas Konigshofen, Maik Winkler
  • Flexible color adjustment for dark Cr(III) platings
    Patent number: 10544516
    Abstract: The invention relates to a method for the adjustment of the lightness L* of electrolytically deposited chromium-finishes on workpieces obtained by an electroplating bath comprising at least chromium(III)-ions and sulfur containing organic compounds, wherein the concentration of the sulfur containing organic compounds in the bath are adjusted by passing at least part of the bath composition through an activated carbon filter. Furthermore, the invention is directed to dark chrome coatings comprising a defined concentration gradient of deposited sulfur containing organic compounds.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: January 28, 2020
    Assignee: MacDermid Enthone Inc.
    Inventors: Andreas Konigshofen, Maik Winkler
  • Flexible Color Adjustment for Dark Cr(III) Platings
    Publication number: 20180266008
    Abstract: The invention relates to a method for the adjustment of the lightness L* of electrolytically deposited chromium-finishes on workpieces obtained by an electroplating bath comprising at least chromium(III)-ions and sulfur containing organic compounds, wherein the concentration of the sulfur containing organic compounds in the bath are adjusted by passing at least part of the bath composition through an activated carbon filter. Furthermore, the invention is directed to dark chrome coatings comprising a defined concentration gradient of deposited sulfur containing organic compounds.
    Type: Application
    Filed: September 23, 2016
    Publication date: September 20, 2018
    Inventors: Andreas Konigshofen, Maik Winkler