Patents by Inventor W. David Polk

W. David Polk 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).

  • Publication number: 20220002475
    Abstract: An electrically or thermally conductive polymer composition, includes: a polyester polymer having a backbone including at least 12 consecutive carbon atoms between ester linkages; and conductive particles dispersed in the polyester polymer. A component including an electrically or thermally conductive polymer composition is also disclosed. A method for self-regulating a temperature of a component is also disclosed.
    Type: Application
    Filed: November 12, 2019
    Publication date: January 6, 2022
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Jonathan G. Weis, Shawn R. DeBerry, W. David Polk, Paul F. Cheetham, Darin W. Laird, Kurt G. Olson, Thomas E. Decker
  • Publication number: 20210163689
    Abstract: The present invention is directed to compounds that generate nitrogen gas and enhance char formation upon combustion and to intumescent coating compositions containing them. The compounds of the present invention typically comprise a reaction product of: (i) a nitrogen-containing compound; and (ii) a siloxane-containing compound. The nitrogen-containing compound (i) and the siloxane-containing compound (ii) are covalently bonded directly to each other.
    Type: Application
    Filed: December 2, 2019
    Publication date: June 3, 2021
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: W. DAVID POLK, SHANTI SWARUP, HONG LI, SUSAN FUNDY DONALDSON
  • Patent number: 9688873
    Abstract: The present invention is directed to curable film-forming compositions comprising acrylic polymers, and to coated substrates comprising the curable film-forming composition applied to at least one surface of the substrates. The acrylic polymers comprise epoxy functional groups and polydialkylsiloxane functional groups. The present invention is also drawn to methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.
    Type: Grant
    Filed: July 9, 2014
    Date of Patent: June 27, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Shanti Swarup, W David Polk
  • Patent number: 9574094
    Abstract: Dispersions of graphenic carbon particles are produced using a polymeric dispersant. The polymeric dispersant includes an anchor block comprising glycidyl (meth)acrylate, 3,4-epoxycyclohexylmethyl(meth)acrylate, 2-(3,4-epoxycyclohexyl)ethyl(meth)acrylate, allyl glycidyl ether and mixtures thereof, reacted with a carboxylic acid comprising 3-hydroxy-2-naphthoic acid, para-nitrobenzoic acid, hexanoic acid, 2-ethyl hexanoic acid, decanoic acid and/or undecanoic acid. The polymeric dispersant also includes at least one tail block comprising at least one (meth)acrylic acid alkyl ester.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: February 21, 2017
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Eldon L Decker, Stephen Brian Istivan, Xiangling Xu, Brian E. Woodworth, W. David Polk, Noel R. Vanier, Cheng-Hung Hung
  • Publication number: 20160009940
    Abstract: The present invention is directed to curable film-forming compositions comprising acrylic polymers, and to coated substrates comprising the curable film-forming composition applied to at least one surface of the substrates. The acrylic polymers comprise epoxy functional groups and polydialkylsiloxane functional groups. The present invention is also drawn to methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.
    Type: Application
    Filed: July 9, 2014
    Publication date: January 14, 2016
    Inventors: Shanti Swarup, W David Polk
  • Patent number: 9056988
    Abstract: Disclosed are infrared reflective coating compositions and cured coatings deposited on a substrate, as well as multi-component composite coating systems. The coating compositions include an infrared transparent pigment and an infrared reflective pigment.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: June 16, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Eldon L. Decker, Stuart D. Hellring, Stephen G. McQuown, Britt A. Minch, Noel R. Vanier, W. David Polk
  • Publication number: 20150159030
    Abstract: Dispersions of graphenic carbon particles are produced using a polymeric dispersant. The polymeric dispersant includes an anchor block comprising glycidyl (meth)acrylate, 3,4-epoxycyclohexylmethyl(meth)acrylate, 2-(3,4-epoxycyclohexyl)ethyl(meth)acrylate, allyl glycidyl ether and mixtures thereof, reacted with a carboxylic acid comprising 3-hydroxy-2-naphthoic acid, para-nitrobenzoic acid, hexanoic acid, 2-ethyl hexanoic acid, decanoic acid and/or undecanoic acid. The polymeric dispersant also includes at least one tail block comprising at least one (meth)acrylic acid alkyl ester.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 11, 2015
    Inventors: Eldon L. Decker, Stephen Brian Istivan, Xiangling Xu, Brian E. Woodworth, W. David Polk, Noel R. Vanier, Cheng-Hung Hung
  • Patent number: 8987349
    Abstract: Disclosed are methods for making aqueous dispersions of polymer-enclosed particles, such as nanoparticles, polymerizable polymers useful in such a method, and cationic electrodepositable compositions comprising such aqueous dispersions.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: March 24, 2015
    Assignee: PPG Industries Ohio, Inc.
    Inventor: W. David Polk
  • Publication number: 20140072716
    Abstract: Described are film-forming compositions comprising a polyepoxide and a curing agent comprising an acid functional acrylic polymer, as well as coating systems comprising a coating deposited from such compositions and related processes and coated substrates.
    Type: Application
    Filed: September 13, 2012
    Publication date: March 13, 2014
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Mark E. Endlish, David Fenn, Kevin C. Olson, Kenneth T. Phelps, W. David Polk
  • Publication number: 20140072717
    Abstract: Described are film-forming compositions comprising a polyepoxide and a curing agent comprising an acid functional acrylic polymer, as well as coating systems comprising a coating deposited from such compositions and related processes and coated substrates.
    Type: Application
    Filed: November 1, 2012
    Publication date: March 13, 2014
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Mark E. Endlish, David Fenn, Kevin C. Olson, Kenneth T. Phelps, W. David Polk
  • Patent number: 8557895
    Abstract: Disclosed are aqueous dispersions of polymer-enclosed particles, such as nanoparticles. Also disclosed are methods for making an aqueous dispersion of polymer-enclosed particles, polymerizable polymers useful in such a method, powder coating compositions formed from such an aqueous dispersion, substrates at least partially coated with such a composition, and reflective surfaces comprising a non-hiding coating layer deposited from such a composition.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: October 15, 2013
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Joseph M. Ferencz, W. David Polk, Dennis L. Faler
  • Patent number: 8178160
    Abstract: Disclosed are powder coating compositions suitable for producing a decorative and durable coating having a homogeneous hue, articles comprising a decorative and durable coating having a homogeneous hue deposited thereon, methods for preparing a decorative and durable coating having a homogeneous hue, kits capable of producing a decorative and durable coating having a homogeneous hue, and methods for color matching using powder coating compositions.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: May 15, 2012
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Joseph M. Ferencz, W. David Polk, Dennis L. Faler
  • Patent number: 8129466
    Abstract: A pigment dispersant is disclosed comprising a tri-block copolymer having a first block comprising a glycidyl(meth)acrylate reacted with a napthoic acid, a second block comprising (meth)acrylic acid alkyl esters, and a third block comprising (meth)acrylic acid alkyl esters, wherein said third block is different from said second block. The dispersant is suited for use in a nanoparticulate dispersion comprising pigment particles having an average primary particle size of less than 100 nm.
    Type: Grant
    Filed: March 25, 2008
    Date of Patent: March 6, 2012
    Assignee: PPG Industries Ohio, Inc
    Inventors: W. David Polk, Eldon L. Decker, Noel R. Vanier, Brian E. Woodworth
  • Patent number: 7910634
    Abstract: Disclosed are aqueous dispersions of polymer-enclosed particles, such as nanoparticles. Also disclosed are methods for making an aqueous dispersion of polymer-enclosed particles, polymerizable polymers useful in such a method, powder coating compositions formed from such an aqueous dispersion, substrates at least partially coated with such a composition, and reflective surfaces comprising a non-hiding coating layer deposited from such a composition.
    Type: Grant
    Filed: May 25, 2006
    Date of Patent: March 22, 2011
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Shawn A. DeSaw, Dennis L. Faler, W. David Polk
  • Publication number: 20100294667
    Abstract: Disclosed are methods for making aqueous dispersions of polymer-enclosed particles, such as nanoparticles, polymerizable polymers useful in such a method, and cationic electrodepositable compositions comprising such aqueous dispersions.
    Type: Application
    Filed: August 9, 2010
    Publication date: November 25, 2010
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventor: W. David Polk
  • Publication number: 20100184911
    Abstract: Disclosed are methods for making aqueous dispersions of polymer-enclosed particles, such as nanoparticles, polymerizable polymers useful in such a method, and cationic electrodepositable compositions comprising such aqueous dispersions.
    Type: Application
    Filed: January 22, 2009
    Publication date: July 22, 2010
    Applicant: PPG Industries Ohio, INC.
    Inventor: W. David Polk
  • Patent number: 7754786
    Abstract: Disclosed are aqueous dispersions of polymer-enclosed particles, such as nanoparticles. Also disclosed are methods for making an aqueous dispersion of polymer-enclosed particles, polymerizable polymers useful in such a method, powder coating compositions formed from such an aqueous dispersion, substrates at least partially coated with such a composition, and reflective surfaces comprising a non-hiding coating layer deposited from such a composition.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: July 13, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Joseph M. Ferencz, W. David Polk, Dennis L. Faler
  • Patent number: 7745514
    Abstract: Disclosed are tinted, abrasion resistant coating compositions comprising polymer-enclosed color-imparting particles. Also disclosed are methods for making such a composition and substrates at least partially coated with a hard coat deposited from such a composition.
    Type: Grant
    Filed: December 7, 2006
    Date of Patent: June 29, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Shan Cheng, Dennis L. Faler, W. David Polk
  • Publication number: 20100048814
    Abstract: Disclosed are methods for making aqueous dispersions of polymer-enclosed particles, such as nanoparticles, polymerizable polymers useful in such a method, and cationic electrodepositable compositions comprising such aqueous dispersions.
    Type: Application
    Filed: October 27, 2009
    Publication date: February 25, 2010
    Applicant: PPG Industries Ohio, Inc.
    Inventor: W. David Polk
  • Publication number: 20100047620
    Abstract: Disclosed are infrared reflective coating compositions and cured coatings deposited on a substrate, as well as multi-component composite coating systems. The coating compositions include an infrared transparent pigment and an infrared reflective pigment.
    Type: Application
    Filed: October 28, 2009
    Publication date: February 25, 2010
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Eldon L. Decker, Stuart D. Hellring, Stephen G. McQuown, Britt A. Minch, Noel R. Vanier, W. David Polk