Patents by Inventor Richard M. Vargas

Richard M. Vargas 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: 10113070
    Abstract: Disclosed is a pretreatment composition containing (a) a Group IIIB metal, a Group IVB metal, or combinations thereof; and (b) a compound containing at least six phosphorus-containing acid groups or salts thereof; wherein the molar ratio of (a) to (b) is at least 3:1. Also disclosed are methods of treating a substrate with the pretreatment composition and substrates treated with the pretreatment composition.
    Type: Grant
    Filed: November 4, 2015
    Date of Patent: October 30, 2018
    Assignee: PPG industries Ohio, Inc.
    Inventors: Adam Kolcun, Richard M. Vargas, Kevin T. Sylvester, Nathan J. Silvernail, John F. McIntyre
  • Publication number: 20170121533
    Abstract: Disclosed is a pretreatment composition containing (a) a Group IIIB metal, a Group IVB metal, or combinations thereof; and (b) a compound containing at least six phosphorus-containing acid groups or salts thereof; wherein the molar ratio of (a) to (b) is at least 3:1. Also disclosed are methods of treating a substrate with the pretreatment composition and substrates treated with the pretreatment composition.
    Type: Application
    Filed: November 4, 2015
    Publication date: May 4, 2017
    Inventors: Adam Kolcun, Richard M. Vargas, Kevin T. Sylvester, Nathan J. Silvernail, John F. Mcintyre
  • Patent number: 9428410
    Abstract: Disclosed are methods for treating and coating a ferrous metal substrate, such as cold rolled steel, hot rolled steel, and electrogalvanized steel. These methods include contacting the ferrous metal substrate with an aqueous pretreatment composition comprising: (a) a Group IIIB and/or IVB metal compound; (b) phosphate ions; and (c) water. Also disclosed are off-shift methods of removing iron from the pretreatment bath.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: August 30, 2016
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Richard M. Vargas, John F. McIntyre
  • Patent number: 9303167
    Abstract: Disclosed are methods for treating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods include contacting the metal substrates with a conditioning composition including a free fluoride source and then depositing a pretreatment composition including a Group IIIB and/or IVB metal on a portion of the substrate contacted with the conditioning composition. Also disclosed are electrophoretically coated substrates treated by the methods.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: April 5, 2016
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Brian C. Okerberg, Richard M. Vargas, Randall J. Brent, John F. McIntyre, Mark W. McMillen, Nathan J. Silvernail
  • Publication number: 20140272405
    Abstract: Disclosed are methods for treating metal substrates, including ferrous substrates, such as cold rolled steel and electrogalvanized steel. The methods include contacting the metal substrates with a conditioning composition including a free fluoride source and then depositing a pretreatment composition including a Group IIIB and/or IVB metal on a portion of the substrate contacted with the conditioning composition. Also disclosed are electrophoretically coated substrates treated by the methods.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Brian C. Okerberg, Richard M. Vargas, Randall J. Brent, John F. McIntyre, Mark W. McMillen, Nathan J. Silvernail
  • Patent number: 8652270
    Abstract: Disclosed are methods for treating and coating a ferrous metal substrate, such as cold rolled steel, hot rolled steel, and electrogalvanized steel. These methods include contacting the ferrous metal substrate with an aqueous pretreatment composition comprising: (a) a Group IIIB and/or IVB metal compound; (b) phosphate ions; and (c) water.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: February 18, 2014
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Randall J. Brent, Nicephoros A. Fotinos, John F. McIntyre, David A. Raney, Richard M. Vargas
  • Publication number: 20120076940
    Abstract: Disclosed are methods for treating and coating a ferrous metal substrate, such as cold rolled steel, hot rolled steel, and electrogalvanized steel. These methods include contacting the ferrous metal substrate with an aqueous pretreatment composition comprising: (a) a Group IIIB and/or IVB metal compound; (b) phosphate ions; and (c) water.
    Type: Application
    Filed: December 7, 2011
    Publication date: March 29, 2012
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Randall J. Brent, Nicephoros A. Fotinos, John F. McIntyre, David A. Raney, Richard M. Vargas
  • Patent number: 8097093
    Abstract: Disclosed are methods for treating and coating a ferrous metal substrate, such as cold rolled steel, hot rolled steel, and electrogalvanized steel. These methods include contacting the ferrous metal substrate with an aqueous pretreatment composition comprising: (a) a Group IIIB and/or IVB metal compound; (b) phosphate ions; and (c) water.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: January 17, 2012
    Assignee: PPG Industries Ohio, Inc
    Inventors: Randall J. Brent, Nicephoros A. Fotinos, John F. McIntyre, David A. Raney, Richard M. Vargas
  • Publication number: 20090084471
    Abstract: Disclosed are methods for treating and coating a ferrous metal substrate, such as cold rolled steel, hot rolled steel, and electrogalvanized steel. These methods include contacting the ferrous metal substrate with an aqueous pretreatment composition comprising: (a) a Group IIIB and/or IVB metal compound; (b) phosphate ions; and (c) water.
    Type: Application
    Filed: September 25, 2008
    Publication date: April 2, 2009
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Randall J. Brent, Nicephoros A. Fotinos, John F. McIntyre, David A. Raney, Richard M. Vargas