Patents by Inventor Thorsten Kuehler

Thorsten Kuehler 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).

  • Polyamine brightening agent
    Patent number: 8329019
    Abstract: A zinc electroplating bath includes zinc ions and a brightening agent. The brightening agent is a polyamine or a mixture of polyamines that include a quaternary ammonium group.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: December 11, 2012
    Assignee: Coventya, Inc.
    Inventors: William E. Eckles, Thorsten Kuehler
  • Crosslinked polymers, galvanization baths comprising them and use thereof
    Patent number: 8066864
    Abstract: The invention relates to polymers which comprise at least partially cross-linked main chains constructed from repeat units of the general formula I and possibly repeat units of the general formula II and also possibly repeat units comprising five- or six-membered aza aromatics or nitrogen-containing heterocycles. Polymers of this type are used as additive in electroplating baths since these enable a better layer thickness distribution of the electroplated layer.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: November 29, 2011
    Assignee: Coventya GmbH
    Inventors: Alexander Jimenez, Thorsten Kühler
  • POLYAMINE BRIGHTENING AGENT
    Publication number: 20110147224
    Abstract: A zinc electroplating bath includes zinc ions and a brightening agent. The brightening agent is a polyamine or a mixture of polyamines that include a quaternary ammonium group.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Inventors: William E. Eckles, Thorsten Kuehler
  • Polyamine brightening agent
    Patent number: 7964083
    Abstract: A zinc electroplating bath includes zinc ions and a brightening agent. The brightening agent is a polyamine or a mixture of polyamines that include a quaternary ammonium group.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: June 21, 2011
    Assignee: Taskem, Inc.
    Inventors: William E. Eckles, Thorsten Kuehler
  • CROSSLINKED POLYMERS, GALVANIZATION BATHS COMPRISING THEM AND USE THEREOF
    Publication number: 20090205969
    Abstract: The invention relates to polymers which comprise at least partially cross-linked main chains constructed from repeat units of the general formula I and possibly repeat units of the general formula II and also possibly repeat units comprising five- or six-membered aza aromatics or nitrogen-containing heterocycles. Polymers of this type are used as additive in electroplating baths since these enable a better layer thickness distribution of the electroplated layer.
    Type: Application
    Filed: December 15, 2006
    Publication date: August 20, 2009
    Applicant: COVENTYA GmbH
    Inventors: Alexander Jimenez, Thorsten Kühler
  • Polyamine Brightening Agent
    Publication number: 20080223726
    Abstract: A zinc electroplating bath includes zinc ions and a brightening agent. The brightening agent is a polyamine or a mixture of polyamines that include a quaternary ammonium group.
    Type: Application
    Filed: February 28, 2005
    Publication date: September 18, 2008
    Inventors: William E. Eckles, Thorsten Kuehler