Patents by Inventor Valentin Berger

Valentin Berger 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).

  • Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same
    Patent number: 6777034
    Abstract: The present invention provides a weldable, coated metal substrate having a pretreatment coating including a reaction product of at least one epoxy-functional material and at least one phosphorus-containing material or amine-containing material and a weldable coating having an electroconductive pigment and a binder deposited thereon.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: August 17, 2004
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Valentin Berger, Ralph C. Gray, Richard M. Nugent, Jr., Michael J. Pawlik
  • Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same
    Publication number: 20020182418
    Abstract: The present invention provides a weldable, coated metal substrate having a pretreatment coating including a reaction product of at least one epoxy-functional material and at least one phosphorus-containing material or amine-containing material and a weldable coating having an electroconductive pigment and a binder deposited thereon.
    Type: Application
    Filed: June 13, 2002
    Publication date: December 5, 2002
    Inventors: Valentin Berger, Ralph C. Gray, Richard M. Nugent, Michael J. Pawlik
  • Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same
    Patent number: 6440580
    Abstract: The present invention provides a weldable, coated metal substrate having a pretreatment coating including a reaction product of at least one epoxy-functional material and at least one phosphorus-containing material or amine-containing material and a weldable coating having an electroconductive pigment and a binder deposited thereon.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: August 27, 2002
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Valentin Berger, Ralph C. Gray, Richard M. Nugent, Jr., Michael J. Pawlik