Patents by Inventor Kevin J. Dufford

Kevin J. Dufford 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: 8795836
    Abstract: The present invention is directed to an electrodepositable coating composition comprising a bismuth salt and a stabilizing agent, and wherein the molar ratio of elemental bismuth to the stabilizing agent is not less than 1:0.25.
    Type: Grant
    Filed: March 3, 2010
    Date of Patent: August 5, 2014
    Assignee: PPG Industries Ohio, Inc
    Inventors: Alan J. Kaylo, Kevin J. Dufford, Steven D. Perrine, Michael J. Pawlik, Richard F. Karabin
  • Publication number: 20110214992
    Abstract: The present invention is directed to an electrodepositable coating composition comprising a bismuth salt and a stabilizing agent, and wherein the molar ratio of elemental bismuth to the stabilizing agent is not greater than 1:0.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 8, 2011
    Inventors: Alan J. Kaylo, Kevin J. Dufford, Steven D. Perrine, Michael J. Pawlik
  • Patent number: 7670500
    Abstract: The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.
    Type: Grant
    Filed: October 20, 2008
    Date of Patent: March 2, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Venkatachalam Eswarakrishnan, Gregory J. McCollum, Matthew Scott, Geoffrey R. Webster, Jr., Judith A. Orzechowski, Kevin J. Dufford, David Robert Fenn, Alan J. Kaylo, Thomas C. Moriarity
  • Publication number: 20090042033
    Abstract: The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.
    Type: Application
    Filed: October 20, 2008
    Publication date: February 12, 2009
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Venkatachalam Eswarakrishnan, Gregory J. McCollum, Matthew Scott, Geoffrey R. Webster, JR., Judith A. Orzechowski, Kevin J. Dufford, David Robert Fenn, Alan J. Kaylo, Thomas C. Moriarity
  • Patent number: 7459504
    Abstract: The present invention provides a film-forming composition. The composition includes a reaction product of: a) a polyamine containing a primary amino group and a secondary amino group; and b) an acyclic carbonate. Also provided is a method of preparing a film-forming composition and an article coated with such compositions.
    Type: Grant
    Filed: April 8, 2005
    Date of Patent: December 2, 2008
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Venkatachalam Eswarakrishnan, Gregory J. McCollum, Matthew Scott, Geoffrey R. Webster, Jr., Judith A. Orzechowski, Kevin J. Dufford, David Robert Fenn, Alan J. Kaylo, Thomas C. Moriarity