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
  • 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
  • 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