Patents by Inventor Thomas J. Bobinger

Thomas J. Bobinger 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: 8722592
    Abstract: A method using one or more of certain triazoles in an amount effective to reduce cobalt leaching during a metal working process from a metal working tool comprising cobalt, such as tungsten carbide particles bonded by cobalt, wherein the one or more triazoles comprise at least butyl-benzotriazole, and optionally one or more other benzotriazoles. Also, a composition is provided which comprises a metal working fluid and one or more of these triazoles in an amount effective to reduce cobalt leaching from metal working tools comprising cobalt, such as tungsten carbide particles bonded by cobalt.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: May 13, 2014
    Assignee: Wincom, Inc.
    Inventors: William N. Matulewicz, Peter F. Vogt, Thomas J. Bobinger
  • Publication number: 20100022424
    Abstract: A method using one or more of certain triazoles in an amount effective to reduce cobalt leaching during a metal working process from a metal working tool comprising cobalt, such as tungsten carbide particles bonded by cobalt, wherein the one or more triazoles comprise at least butyl-benzotriazole, and optionally one or more other benzotriazoles. Also, a composition is provided which comprises a metal working fluid and one or more of these triazoles in an amount effective to reduce cobalt leaching from metal working tools comprising cobalt, such as tungsten carbide particles bonded by cobalt.
    Type: Application
    Filed: July 25, 2008
    Publication date: January 28, 2010
    Applicant: Wincom, Inc.
    Inventors: Peter F. Vogt, William N. Matulewicz, Thomas J. Bobinger