Patents by Inventor James P. Colton
James P. Colton 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).
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Patent number: 10185057Abstract: Coated articles are provided comprising: (a) a substrate; (b) a porous sol-gel layer superimposed on at least one surface of the substrate; wherein the porous sol-gel layer comprises a hydrolyzed tetraalkoxysilane; and (c) a sealant layer superimposed on at least one surface of the porous sol-gel layer; wherein the sealant layer comprises an alkyltrihalosilane. The coated articles demonstrate superior abrasion resistance due to a glass-like layer formed from the combination of the porous sol-gel layer and sealant layer.Type: GrantFiled: November 8, 2012Date of Patent: January 22, 2019Assignee: PPG Industries Ohio, Inc.Inventors: James P. Colton, Mathias Maffei
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Patent number: 8563212Abstract: Described are non-aqueous dispersions of photosensitive polymeric microparticles, comprising: a) an organic continuous phase comprising an organic solvent; and b) photosensitive polymeric microparticles dispersed in the organic continuous phase. The microparticles comprise an at least partially polymerized component having integral surface and interior domains, wherein the surface domain comprises a polymeric material that is solubilized by the organic solvent, the interior domain comprises a polymeric material that is insoluble in the organic solvent, and the surface domain and/or interior domain is photosensitive. Also described are methods of producing such non-aqueous dispersions, curable film-forming compositions containing them, and photosensitive coated substrates.Type: GrantFiled: March 8, 2010Date of Patent: October 22, 2013Assignee: Transitions Optical, Inc.Inventors: Steven E. Bowles, Anu Chopra, James P. Colton, Dennis L. Faler, M. Frank Haley, Paul H. Lamers, Yunyi Lu, Kevin J. Stewart, Cathy A. Taylor, Feng Wang, Elizabeth A. Zezinka
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Publication number: 20130122221Abstract: Coated articles are provided comprising: (a) a substrate; (b) a porous sol-gel layer superimposed on at least one surface of the substrate; wherein the porous sol-gel layer comprises a hydrolyzed tetraalkoxysilane; and (c) a sealant layer superimposed on at least one surface of the porous sol-gel layer; wherein the sealant layer comprises an alkyltrihalosilane. The coated articles demonstrate superior abrasion resistance due to a glass-like layer formed from the combination of the porous sol-gel layer and sealant layer.Type: ApplicationFiled: November 8, 2012Publication date: May 16, 2013Inventors: James P. Colton, Mathias Maffei
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Publication number: 20120121910Abstract: Coating compositions are disclosed that include an alkoxide of the general formula RxM(OR?)z-x where R is an organic radical, M is silicon, aluminum, titanium, and/or zirconium, each R? is independently an alkyl radical, z is the valence of M, and x is a number less than z and may be zero. The coating composition is cationically curable. Also disclosed are articles at least partially coated with a hard coat deposited from such a coating composition, methods for depositing a hard coat on at least a portion of a plastic substrate, and methods for improving the adhesion and abrasion resistance of a substrate.Type: ApplicationFiled: March 29, 2007Publication date: May 17, 2012Applicant: PPG INIDUSTRIES OHIO, INC.Inventors: James P. Colton, Shan Cheng
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Patent number: 8153344Abstract: Described are aqueous compositions of an effective amount of at least one photosensitive material and at least one polymerizable component that are adapted to at least partially form photosensitive microparticles or at least partially crosslinked photosensitive polymeric microparticles. The photosensitive polymeric microparticles are made of integral surface and interior domains wherein at least one of the surface and/or interior domains is photosensitive. Also described are aqueous dispersions of such microparticles, ways of producing such microparticles and photosensitive articles such as optical elements that incorporate the photosensitive polymeric microparticles.Type: GrantFiled: July 16, 2004Date of Patent: April 10, 2012Assignee: PPG Industries Ohio, Inc.Inventors: Dennis L. Faler, Forrest R. Blackburn, Kevin J. Stewart, Anu Chopra, James P. Colton
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Patent number: 8084133Abstract: Provided are curable film-forming compositions are provided including: (a) a binder of an alkoxysilane; (b) a metal oxide compound containing titanium, zirconium, cerium, niobium, tantalum, and/or tin; and (c) a polyglycidyl ether. Also provided are optical articles including a substrate and the curable film-forming composition superposed on a surface thereof.Type: GrantFiled: August 25, 2008Date of Patent: December 27, 2011Assignee: PPG Industries Ohio, IncInventor: James P. Colton
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HYDROPHILIC COMPOSITIONS, METHODS FOR THEIR PRODUCTION, AND SUBSTRATES COATED WITH SUCH COMPOSITIONS
Publication number: 20110212271Abstract: Liquid compositions are disclosed that include a photocatalytic material and a hydrophilic binder that includes an essentially completely hydrolyzed organosilicate. Also disclosed are methods of making such compositions, methods of coating a substrate with a hydrophilic composition, and substrates coated with such compositions. The compositions may, for example, be embodied as stable one-pack compositions.Type: ApplicationFiled: May 10, 2011Publication date: September 1, 2011Applicant: PPG Industries Ohio, Inc.Inventors: Masayuki Nakajima, Chia-Chen Lin, Shan Cheng, James P. Colton -
Hydrophilic compositions, methods for their production, and substrates coated with such compositions
Patent number: 7959980Abstract: Liquid compositions are disclosed that include a photocatalytic material and a hydrophilic binder that includes an essentially completely hydrolyzed organosilicate. Also disclosed are methods of making such compositions, methods of coating a substrate with a hydrophilic composition, and substrates coated with such compositions. The compositions may, for example, be embodied as stable one-pack compositions.Type: GrantFiled: May 18, 2005Date of Patent: June 14, 2011Assignee: PPG Industries Ohio, Inc.Inventors: Masayuki Nakajima, Chia-Cheng Lin, Shan Cheng, James P. Colton -
Publication number: 20100209697Abstract: Described are non-aqueous dispersions of photosensitive polymeric microparticles, comprising: a) an organic continuous phase comprising an organic solvent; and b) photosensitive polymeric microparticles dispersed in the organic continuous phase. The microparticles comprise an at least partially polymerized component having integral surface and interior domains, wherein the surface domain comprises a polymeric material that is solubilized by the organic solvent, the interior domain comprises a polymeric material that is insoluble in the organic solvent, and the surface domain and/or interior domain is photosensitive. Also described are methods of producing such non-aqueous dispersions, curable film-forming compositions containing them, and photosensitive coated substrates.Type: ApplicationFiled: March 8, 2010Publication date: August 19, 2010Applicant: Transitions Optical, Inc.Inventors: Steven E. Bowles, Anu Chopra, James P. Colton, Dennis L. Faler, M. Frank Haley, Paul H. Lamers, Yunyi Lu, Kevin J. Stewart, Cathy A. Taylor, Feng Wang, Elizabeth A. Zezinka
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Patent number: 7723404Abstract: Coating compositions are disclosed that include an alkoxide and a silica sol that includes silica nanoparticles and a polymerizable (meth)acrylate binding agent. The polymerizable (meth)acrylate binding agent remains substantially uncrosslinked after the coating composition has been cured to form a hard coat. Also disclosed are articles at least partially coated with a hard coat deposited from such a coating composition, methods for depositing a hard coat on at least a portion of a plastic substrate, and methods for improving the adhesion and abrasion resistance of a coating composition.Type: GrantFiled: April 6, 2006Date of Patent: May 25, 2010Assignee: PPG Industries Ohio, Inc.Inventors: Shan Cheng, James P. Colton
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Patent number: 7671109Abstract: 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: GrantFiled: April 6, 2006Date of Patent: March 2, 2010Assignee: PPG Industries Ohio, Inc.Inventors: Shan Cheng, Dennis L. Faler, James P. Colton
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Publication number: 20100035067Abstract: Provided are curable film-forming compositions are provided including: (a) a binder of an alkoxysilane; (b) a metal oxide compound containing titanium, zirconium, cerium, niobium, tantalum, and/or tin; and (c) a polyglycidyl ether. Also provided are optical articles including a substrate and the curable film-forming composition superposed on a surface thereof.Type: ApplicationFiled: August 25, 2008Publication date: February 11, 2010Applicant: PPG INDUSTRIES OHIO, INC.Inventor: James P. Colton
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Patent number: 7635727Abstract: Disclosed are composite transparencies and methods for their production. The colored composite transparencies include a surface at least partially coated with a transparent tinted coating deposited from a coating composition comprising polymer-enclosed color-imparting particles.Type: GrantFiled: April 6, 2006Date of Patent: December 22, 2009Assignee: PPG Industries Ohio, Inc.Inventors: Dennis L. Faler, Cheryl E. Belli, Stephen G. McQuown, John A. Winter, Deborah E. Hayes, James P. Colton, Shan Cheng, Noel R. Vanier
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Publication number: 20080095933Abstract: A process is provided for preparing a coated optical element. The process Includes: a) providing an optical element substrate; b) contacting the optical element with a pretreatment composition of an aqueous solution of hydrolyzed aminosilane; and c) applying a film-forming composition to the optical element of (b) to form a coating on the optical element, thereby yielding a coated optical element. The pretreatment composition may further include a substantially water-miscible solvent that is capable of swelling the substrate surface without causing haze or degradation of the substrate. The coated optical element demonstrates improved adhesion between the film-forming composition and the substrate compared to a substantially identical optical element that has not been contacted with the pretreatment composition of step b) prior to application of the film-forming composition.Type: ApplicationFiled: October 18, 2006Publication date: April 24, 2008Inventors: James P. Colton, Brandy D. Slezak
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Publication number: 20080096023Abstract: A process is provided for preparing a coated optical element. The process Includes: a) providing an optical element substrate; b) contacting the optical element with a pretreatment composition of an aqueous solution of hydrolyzed aminosilane; and c) applying a film-forming composition to the optical element of (b) to form a coating on the optical element, thereby yielding a coated optical element. The pretreatment composition may further include a substantially water-miscible solvent that is capable of swelling the substrate surface without causing haze or degradation of the substrate. The coated optical element demonstrates improved adhesion between the film-forming composition and the substrate compared to a substantially identical optical element that has not been contacted with the pretreatment composition of step b) prior to application of the film-forming composition.Type: ApplicationFiled: March 14, 2007Publication date: April 24, 2008Applicant: PPG INDUSTRIES OHIO, INC.Inventors: James P. Colton, Brandy D. Slezak
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Patent number: 7354624Abstract: Multi-layer coatings are disclosed that include (a) a first layer deposited from at least one composition that includes a polymeric composition, and (b) a second layer applied over at least a portion of the first layer in which the second layer is deposited from at least one liquid composition that includes (i) a photocatalytic material, and (ii) a binder that is hydrophilic and comprises an essentially completely hydrolyzed organosilicate. Also disclosed are substrates coated with such multi-layer coatings, methods of applying such multi-layer coatings to a substrate and methods of making a painted surface easy-to-clean.Type: GrantFiled: May 18, 2005Date of Patent: April 8, 2008Assignee: PPG Industries Ohio, Inc.Inventors: Edward R. Millero, Masayuki Nakajima, Chia-Cheng Lin, Shan Cheng, James P. Colton
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Patent number: 7354650Abstract: Multi-layer coatings are disclosed that include (1) a first layer comprising an inorganic oxide network, and (2) a second layer applied over at least a portion of the first layer, wherein the second layer is deposited from at least one liquid composition that is hydrophilic and includes an essentially completely hydrolyzed organosilicate. Also disclosed are substrates coated with such multi-layer coatings, methods of applying such multi-layer coatings to a substrate and methods for improving the anti-fouling, self-cleaning, easy-to-clean, and/or anti-fogging properties of an article.Type: GrantFiled: May 18, 2005Date of Patent: April 8, 2008Assignee: PPG Industries Ohio, Inc.Inventors: Masayuki Nakajima, Chia-Cheng Lin, Shan Cheng, James P. Colton
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Patent number: 7261843Abstract: Describes a photochromic article, e.g., an ophthalmic photochromic plastic article, such as a lens, in which the article includes (1) a rigid substrate, e.g., a transparent substrate such as a glass or organic polymeric substrate, as for example, a thermoset or thermoplastic substrate, (2) a photochromic polymeric coating appended to at least a portion of at least one surface of the substrate, the photochromic polymeric coating containing a photochromic amount of at least one organic photochromic material, e.g., spirooxazine, naphthopyran, diarylethene and/or fulgide, and (3) a thermally cured transparent thermoset polymeric coating superposed on, e.g., coherently appended to, the photochromic coating, the thermally cured polymeric coating being harder than the photochromic polymeric coating. Describes also the aforedescribed photochromic article having an abrasion-resistant coating affixed to the thermally cured polymer coating, e.g.Type: GrantFiled: March 4, 2004Date of Patent: August 28, 2007Assignee: Transitions Optical, Inc.Inventors: Carol L. Knox, Eric M. King, James P. Colton
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Patent number: 6984262Abstract: Described is a coating composition adapted to enhance the adhesion of a polymeric coating or film applied to a substrate. The coating composition is interposed between the substrate and the polymeric coating and comprises (a) at least one coupling agent, partial hydrolysates thereof or mixtures thereof in a concentration greater than 25 weight percent, based on the weight of the total composition, and (b) an adhesion enhancing amount of an epoxy-containing material having at least two epoxy groups. The coating composition is substantially free of photochromic materials and colloidal particles chosen from silica, alumina or mixtures thereof. Also described is a process for using the coating composition and articles coated with the composition and additional coatings and films which can be photochromic.Type: GrantFiled: July 16, 2003Date of Patent: January 10, 2006Assignee: Transitions Optical, Inc.Inventors: Eric M. King, James P. Colton, Jessica A. Hoch
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Publication number: 20040021133Abstract: The present invention is directed to a polymerizable composition including a polymerizable monomer component and a nanoparticle material, having a refractive index of from 1.595 to 1.695. When at least partially cured, the polymerizable composition is especially useful for ophthalmic applications.Type: ApplicationFiled: June 25, 2003Publication date: February 5, 2004Inventors: Vidhu J. Nagpal, Phillip C. Yu, W. David Polk, James P. Colton