Patents Represented by Attorney Diane R. Meyers
  • Patent number: 8334380
    Abstract: The present invention is directed to a method for producing bicyclic guanidines comprising heating a reaction mixture comprising cyclic urea and a dehydrating agent to a temperature ?90° C.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: December 18, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Donald W. Boyd, Venkatachalam Eswarakrishnan, Charles R. Hickenboth, Richard F. Karabin, Gregory J. McCollum, Britt A. Minch, Thomas C. Moriarity, Steven R. Zawacky
  • Patent number: 8231970
    Abstract: Coating compositions are disclosed that include corrosion resisting particles such that the coating composition can exhibit corrosion resistance properties. Also disclosed are substrates at least partially coated with a coating deposited from such a composition and multi-component composite coatings, wherein at least one coating later is deposited from such a coating composition. Methods and apparatus for making ultrafine solid particles are also disclosed.
    Type: Grant
    Filed: December 14, 2007
    Date of Patent: July 31, 2012
    Assignee: PPG Industries Ohio, Inc
    Inventors: David N. Walters, John R. Schneider
  • Patent number: 8106128
    Abstract: Preformed compositions in shaped form comprising polymer blends, and the use of these preformed compositions in shaped form to seal apertures are disclosed. In certain embodiments, the preformed compositions are electrically conductive and are capable of shielding EMI/RFI radiation. The polymer blend includes a polysulfide component and a polythioether component.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: January 31, 2012
    Assignee: PRC DeSoto International, Inc.
    Inventors: Michael A. Cosman, Adrian K. Balladares
  • Patent number: 8092921
    Abstract: A process for forming a color-clear multilayer coating on a substrate is disclosed. The basecoat is a waterborne coating and the clear topcoat is isocyanate containing and comprises a polyene and a polythiol. The isocyanate can be present as a separate component or can be an isocyanate-functional polyene.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: January 10, 2012
    Assignee: PPG Industries Ohio, Inc
    Inventors: Mark P. Bowman, Stephen J. Thomas
  • Patent number: 8076420
    Abstract: Dimercaptan terminated polythioether polymers are disclosed, as are methods for making and using the same.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: December 13, 2011
    Assignee: PRC DeSoto International, Inc
    Inventors: Suresh G. Sawant, Chandra B. Rao, Michael A. Cosman
  • Patent number: 8076001
    Abstract: Crosslinked coatings comprising a reaction product of a compound containing two or more active hydrogen groups and a lactide are disclosed, as are substrates coated therewith.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: December 13, 2011
    Assignee: PPG Industries Ohio, Inc
    Inventors: David R. Fenn, Jackie L. Kulfan
  • Patent number: 8057592
    Abstract: Cationic electrodepositable coatings comprising rosin, wherein the rosin forms part of the cationic resin backbone, are disclosed.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: November 15, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: David Fenn, Gregory J. McCollum
  • Patent number: 8039551
    Abstract: Modified epoxy resins comprising the reaction product of rosin and a linking molecule, further reacted with an epoxy resin, are disclosed. Aqueous dispersions and coatings comprising these resins are also disclosed.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: October 18, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventor: David Fenn
  • Patent number: 8039618
    Abstract: The present invention is directed to a method for producing bicyclic guanidines comprising heating a cyclic urea to a temperature >200° C. to form the bicyclic guanidines.
    Type: Grant
    Filed: May 9, 2008
    Date of Patent: October 18, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Britt A. Minch, Charles R. Hickenboth, Richard F. Karabin, Steven R. Zawacky, Gregory J. McCollum
  • Patent number: 8030396
    Abstract: Methods for preparing pigmented and nonpigmented powder coating compositions are disclosed. The methods generally involve the use of dispersions comprising a fluoropolymer.
    Type: Grant
    Filed: August 28, 2009
    Date of Patent: October 4, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Ronald R. Ambrose, Anthony M. Chasser, Kristen M. Bartlett, Henry L. Lowman, Joanne M. Funyak
  • Patent number: 7981515
    Abstract: Polyesters comprising the reaction product of a polyol and a bis-epoxy reacted with a mono- and/or di-phenolic carboxylic acid and/or ester are disclosed. Food cans coated at least in part on the interior with a composition comprising these polyesters are also disclosed. The composition used on the food cans is substantially free of BPA and BPF and substantially free of BADGE and BFDGE. Food cans coated at least in part on the interior with a composition comprising a polyester having a loss of molecular weight of less than 50% in an acidic medium are also disclosed.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: July 19, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Ronald R. Ambrose, Ken W. Niederst, John M. Dudik, Mary Ann M. Fuhry
  • Patent number: 7972701
    Abstract: A metallic substrate coated at least in part with a multilayer coating composite, comprising at least one of an electrocoat layer, a base coat layer, and a clearcoat layer; and a polyurea formed from a reaction mixture comprising isocyanate and a (meth)acrylated amine reaction product of a monoamine and a poly(meth)acrylate is disclosed. The ratio of equivalents of isocyanate groups to equivalents of amine groups in the polyurea is greater than 1 and the isocyanate functional component and the (meth)acrylated amine functional component can be applied to the substrate at a volume mixing ratio of 1:1. A building comprising a building component coated at least in part with such a polyurea is also disclosed, as is a substrate coated at least in part with such a polyurea, wherein the ratio of equivalents or isocyanate to equivalents of amine groups is greater than 1.3:1.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: July 5, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Jonathan T. Martz, Thomas R. Hockswender, Steven V. Barancyk, Howard Senkfor
  • Patent number: 7968197
    Abstract: Coating compositions comprising a polyurea formed from a reaction mixture comprising isocyanate and an acrylated amine are disclosed. The (meth)acrylated amine is the reaction product of a polyamine and a (meth)acrylate; when the (meth)acrylate comprises a poly(meth)acrylate, the reaction product further comprises a mono(meth)acrylate and/or a monoamine. Methods for using the coatings, and substrates coated therewith, are also disclosed.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: June 28, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Steven V. Barancyk, Thomas R. Hockswender, John Furar, Ronald R. Ambrose, Jonathan T. Martz, Howard Senkfor
  • Patent number: 7968198
    Abstract: Coating compositions comprising a polyurea formed from a reaction mixture comprising isocyanate and a (meth)acrylated amine are disclosed. The (meth)acrylated amine is the reaction product of a polyamine and a mono(meth)acrylate; the ratio of equivalents of isocyanate groups to equivalents of amine groups is greater than 1 and the isocyanate and the (meth)acrylated amine reaction product can be applied to a substrate at a volume mixing ratio of 1:1. Methods for using the coatings, and substrates coated therewith are also disclosed.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: June 28, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Steven V. Barancyk, Thomas R. Hockswender, John Furar, Jonathan T. Martz, Howard Senkfor
  • Patent number: 7968212
    Abstract: The reaction product of a triamine and a dialkyl maleate and/or dialkyl fumarate, wherein the reaction product has a viscosity of less than 2000 cPs is disclosed. Polyurea coatings comprising this reaction product are also disclosed, as are substrates coated with the same.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: June 28, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Howard Senkfor, Thomas R. Hockswender, Steven V. Barancyk, Jonathan T. Martz, Steven R. Zawacky
  • Patent number: 7960000
    Abstract: A cost-effective and minimally destructive apparatus and method for removing paint and other coatings from a surface. The apparatus comprises a tape having a masking material adapted to adhere to the surface and a stripper, wherein applying the masking material and the stripper can be performed in a single step.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: June 14, 2011
    Assignee: PRC DeSoto International, Inc.
    Inventor: Pierce Newman
  • Patent number: 7960495
    Abstract: (Meth)acrylate/aspartate amine curatives comprising the reaction product of a polyamine, a dialkyl maleate and/or dialkyl fumarate, and a (meth)acrylate are disclosed, as are methods for making the same. A polyurea comprising the reaction product of the acrylate/aspartate amine curative and isocyanate is also disclosed, as are coatings comprising such a polyurea and substrates coated with the same.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: June 14, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Steve Barancyk, John Furar, Howard Senkfor, Jonathan T. Martz, Thomas R. Hockswender, Anthony M. Chasser
  • Patent number: 7928160
    Abstract: The present invention is directed to a coating composition comprising polyurea and polyurethane. Further, the present invention is directed to a coating composition comprising polyurea or, polyurea and polyurethane, and flame retardant. The polyurea is formed from a reaction mixture comprising isocyanate and amine wherein the ratio of equivalents of isocyanate groups to equivalents of amine groups is greater than 1 and the isocyanate-functional component and the amine-functional component can be applied to a substrate at a volume mixing ratio of 1:1.
    Type: Grant
    Filed: July 27, 2006
    Date of Patent: April 19, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Howard Senkfor, Paul P. Greigger, Thomas R. Hockswender, Dan M. Bratys
  • Patent number: 7906199
    Abstract: Color harmonization is provided for articles of manufacture comprising different substrate materials. A coating composition is selected that can be applied to the different substrate materials while maintaining substantially uniform visual characteristics of the article. The substrates may include flexible materials such as natural leather, synthetic leather, vinyl, foam, textiles and the like. Examples of articles of manufacture include footwear, automotive upholstery and automotive interiors.
    Type: Grant
    Filed: December 23, 2004
    Date of Patent: March 15, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Brian K. Rearick, R. Preston Jones, Deborah E. Hayes, Kevin P. Gallagher
  • Patent number: 7888436
    Abstract: Sealant and potting formulations comprising a thioether-functional, oligomeric polythiol prepared by reacting together: (a) a compound having at least two thiol functional groups; and (b) a compound having triple bond functionality are disclosed.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: February 15, 2011
    Assignee: PRC DeSoto International, Inc.
    Inventors: Chester J. Szymanski, Lawrence G. Anderson, Gregory J. McCollum, Nina V. Bojkova