Patents by Inventor Kostantin Schwarz

Kostantin Schwarz 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).

  • Treatment solution for producing chrome and cobalt-free black conversion coatings
    Patent number: 9005373
    Abstract: The invention relates to chromium- and cobalt-free treatment solutions for producing black coatings which afford corrosion protection. The treatment solution of the invention contains oxo cations or complex halogen ions or mixtures of oxo cations and complex halogen ions, an oxidant and an organic sulphur compound.
    Type: Grant
    Filed: September 8, 2010
    Date of Patent: April 14, 2015
    Assignee: Atotech Deutschland GmbH
    Inventors: Zdenek Starkbaum, Lukas Bedrnik, Kostantin Schwarz, Bjorn Dingwerth
  • TREATMENT SOLUTION FOR PRODUCING CHROME AND COBALT-FREE BLACK CONVERSION COATINGS
    Publication number: 20120186702
    Abstract: The invention relates to chromium- and cobalt-free treatment solutions for producing black coatings which afford corrosion protection. The treatment solution of the invention contains oxo cations or complex halogen ions or mixtures of oxo cations and complex halogen ions, an oxidant and an organic sulphur compound.
    Type: Application
    Filed: September 8, 2010
    Publication date: July 26, 2012
    Applicant: ATOTECH DEUTSCHLAND GMBH
    Inventors: Zdenek Starkbaum, Lukas Bedrnik, Kostantin Schwarz, Bjorn Dingwerth