Patents by Inventor Leigh Ann Humbert
Leigh Ann Humbert 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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Publication number: 20230001450Abstract: A multi-layer coating system includes: a first basecoat layer formed from a first coating composition including a free polyisocyanate having a weight average molecular weight of less than 600 g/mol and hydroxyl functional polymeric core-shell particles, where an amount of free polyisocyanate having a weight average molecular weight of less than 600 g/mol is 3.5 weight % or greater; a second basecoat layer formed from a second coating composition including carboxylic acid functional polymeric core-shell particles; and a topcoat layer formed from a coating composition including a free polyisocyanate and a film-forming resin reactive with the free polyisocyanate.Type: ApplicationFiled: December 10, 2020Publication date: January 5, 2023Applicant: PPG Industries Ohio, Inc.Inventors: Wei Wang, David Robert Fenn, Leigh Ann Humbert
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Publication number: 20210246331Abstract: A coating composition includes (a) a melamine resin having imino and methylol functional groups that together comprise 30 mole % or greater of the total functionality of the melamine resin; and (b) at least one polymer reactive with (a) that is obtained from components including polytetrahydrofuran and a carboxylic acid or anhydride thereof. The polytetrahydrofuran includes greater than 20 weight % of the components that form the polymer (b) and the carboxylic acid or anhydride thereof includes greater than 5 weight % of the components that form the polymer (b). The polymer (b) has an acid value of at least 15 based on the total resin solids of the polymer (b).Type: ApplicationFiled: June 11, 2019Publication date: August 12, 2021Applicant: PPG Industries Ohio, Inc.Inventors: Wei Wang, David R. Fenn, Paul H. Lamers, Dennis L. Faler, Leigh Ann Humbert, Linlin Li
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Patent number: 10023761Abstract: Disclosed is a coating composition comprising a resinous binder prepared from a reaction mixture comprising (a) a first component; (b) a second component; and (c) a third component comprising a block copolymer having (i) a first block comprising units having functional groups reactive with at least one of the first and second components and (ii) a second block comprising units having functional groups that promote adhesion to a polymeric substrate, provided that the first component, the second component, and the block copolymer differ from each other. The block copolymer may also be used as an additive in a coating composition.Type: GrantFiled: June 29, 2015Date of Patent: July 17, 2018Assignee: PPG Industries Ohio, Inc.Inventors: Wei Wang, Hongying Zhou, Kurt Gordon Olson, Jonathan Thomas Martz, Richard Alan Janoski, Sr., Leigh Ann Humbert, David Robert Fenn, Terri Lynn Ziegler
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Publication number: 20160376465Abstract: Disclosed is a coating composition comprising a resinous binder prepared from a reaction mixture comprising (a) a first component; (b) a second component; and (c) a third component comprising a block copolymer having (i) a first block comprising units having functional groups reactive with at least one of the first and second components and (ii) a second block comprising units having functional groups that promote adhesion to a polymeric substrate, provided that the first component, the second component, and the block copolymer differ from each other. The block copolymer may also be used as an additive in a coating composition.Type: ApplicationFiled: June 29, 2015Publication date: December 29, 2016Inventors: Wei Wang, Hongying Zhou, Kurt Gordon Olson, Jonathan Thomas Martz, Richard Alan Janoski, SR., Leigh Ann Humbert, David Robert Fenn, Terri Lynn Ziegler
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Patent number: 9518193Abstract: A method is provided for forming a composite coating on a substrate comprising: (A) applying a first coating composition to a surface of the substrate; and (B) applying a second coating composition to the first coating prior to substantially heating or curing the first coating. The first and/or second coating composition is a waterborne curable film-forming composition comprising: (a) an aqueous dispersion of internally crosslinked polymeric microparticles having a core-shell morphology and having reactive functional groups; and (b) a crosslinking agent. The core of the polymeric microparticles is prepared from a monomer mixture comprising at least 20 percent by weight of a monomer having the structure: wherein X is N or O; R is a linear or branched alkyl group having 1 to 18 carbon atoms, or R is bonded to X to form a 5- to 7-member ring.Type: GrantFiled: January 27, 2014Date of Patent: December 13, 2016Assignee: PPG Industries Ohio, Inc.Inventors: Shanti Swarup, Kurt G Olson, John E Schwendeman, Leigh Ann Humbert, Kelly E Lutz, Carol Lynn Boggs
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Publication number: 20150210883Abstract: A method is provided for forming a composite coating on a substrate comprising: (A) applying a first coating composition to a surface of the substrate; and (B) applying a second coating composition to the first coating prior to substantially heating or curing the first coating. The first and/or second coating composition is a waterborne curable film-forming composition comprising: (a) an aqueous dispersion of internally crosslinked polymeric microparticles having a core-shell morphology and having reactive functional groups; and (b) a crosslinking agent. The core of the polymeric microparticles is prepared from a monomer mixture comprising at least 20 percent by weight of a monomer having the structure: wherein X is N or O; R is a linear or branched alkyl group having 1 to 18 carbon atoms, or R is bonded to X to form a 5- to 7-member ring.Type: ApplicationFiled: January 27, 2014Publication date: July 30, 2015Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Shanti Swarup, Kurt G. Olson, John E. Schwendeman, Leigh Ann Humbert, Kelly E. Lutz, Carol Lynn Boggs
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Patent number: 8629218Abstract: The present invention is directed to curable film-forming compositions comprising a film-forming resin and a crosslinking agent. The film-forming resin contains a polymer having functional aromatic groups derived from functional aromatic acids. The present invention further provides multi-component composite coating compositions comprising a first film-forming composition applied to a substrate to form a primer or base coat, and a second film-forming composition applied on top of the primer or base coat to form a top coat, the top coat comprising the composition described above. Coating compositions prepared from the curable compositions of the present invention demonstrate superior gloss and acid etch resistance properties, making them ideally suited for automotive applications.Type: GrantFiled: May 13, 2010Date of Patent: January 14, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Charles M. Kania, Lyle L. Foringer, Shiryn Tyebjee, Leigh Ann Humbert, Kevin C. Olson
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Publication number: 20120160685Abstract: A process for forming a multilayer composite coating on a substrate is provided. The process includes forming an electrodeposition coating layer on the substrate by electrodeposition of a curable electrodepositable coating composition over at least a portion of the substrate. Optionally, the coated substrate is heated to a temperature and for a time sufficient to cure the electrodeposition coating layer. A basecoating layer is formed on the electrodeposition coating layer by depositing an aqueous curable basecoating composition directly onto at least a portion of the electrodeposition coating layer. Optionally, the basecoating layer is dehydrated. A top coating layer is formed on the basecoating layer by depositing a curable top coating composition which is substantially pigment-free directly onto at least a portion of the basecoating layer. The top coating layer, the basecoating layer, and, optionally, the electrodeposition coating layer are cured simultaneously.Type: ApplicationFiled: January 31, 2012Publication date: June 28, 2012Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Sean Purdy, Dennis A. Simpson, Richard J. Foukes, David M. Aiken, James P. Rowley, Leigh Ann Humbert
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Patent number: 8152982Abstract: A process for forming a multilayer composite coating on a substrate is provided. The process includes forming an electrodeposition coating layer on the substrate by electrodeposition of a curable electrodepositable coating composition over at least a portion of the substrate. Optionally, the coated substrate is heated to a temperature and for a time sufficient to cure the electrodeposition coating layer. A basecoating layer is formed on the electrodeposition coating layer by depositing an aqueous curable basecoating composition directly onto at least a portion of the electrodeposition coating layer. Optionally, the basecoating layer is dehydrated. A top coating layer is formed on the basecoating layer by depositing a curable top coating composition which is substantially pigment-free directly onto at least a portion of the basecoating layer. The top coating layer, the basecoating layer, and, optionally, the electrodeposition coating layer are cured simultaneously.Type: GrantFiled: February 27, 2009Date of Patent: April 10, 2012Inventors: Sean Purdy, Dennis A. Simpson, Richard J. Foukes, David M. Aiken, James P. Rowley, Leigh Ann Humbert
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Publication number: 20110281115Abstract: The present invention is directed to curable film-forming compositions comprising a film-forming resin and a crosslinking agent. The film-forming resin contains a polymer having functional aromatic groups derived from functional aromatic acids. The present invention further provides multi-component composite coating compositions comprising a first film-forming composition applied to a substrate to form a primer or base coat, and a second film-forming composition applied on top of the primer or base coat to form a top coat, the top coat comprising the composition described above. Coating compositions prepared from the curable compositions of the present invention demonstrate superior gloss and acid etch resistance properties, making them ideally suited for automotive applications.Type: ApplicationFiled: May 13, 2010Publication date: November 17, 2011Inventors: Charles M. Kania, Lyle L. Foringer, Shiryn Tyebjee, Leigh Ann Humbert, Kevin C. Olson
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Publication number: 20090173633Abstract: A process for forming a multilayer composite coating on a substrate is provided. The process includes forming an electrodeposition coating layer on the substrate by electrodeposition of a curable electrodepositable coating composition over at least a portion of the substrate. Optionally, the coated substrate is heated to a temperature and for a time sufficient to cure the electrodeposition coating layer. A basecoating layer is formed on the electrodeposition coating layer by depositing an aqueous curable basecoating composition directly onto at least a portion of the electrodeposition coating layer. Optionally, the basecoating layer is dehydrated. A top coating layer is formed on the basecoating layer by depositing a curable top coating composition which is substantially pigment-free directly onto at least a portion of the basecoating layer. The top coating layer, the basecoating layer, and, optionally, the electrodeposition coating layer are cured simultaneously.Type: ApplicationFiled: February 27, 2009Publication date: July 9, 2009Applicant: PPG Industries Ohio, Inc.Inventors: Sean Purdy, Dennis A. Simpson, Richard J. Foukes, David M. Aiken, James P. Rowley, Leigh Ann Humbert
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Patent number: 7531074Abstract: A process for forming a multilayer composite coating on a substrate is provided. The process includes forming an electrodeposition coating layer on the substrate by electrodeposition of a curable electrodepositable coating composition over at least a portion of the substrate. Optionally, the coated substrate is heated to a temperature and for a time sufficient to cure the electrodeposition coating layer. A basecoating layer is formed on the electrodeposition coating layer by depositing an aqueous curable basecoating composition directly onto at least a portion of the electrodeposition coating layer. Optionally, the basecoating layer is dehydrated. A top coating layer is formed on the basecoating layer by depositing a curable top coating composition which is substantially pigment-free directly onto at least a portion of the basecoating layer. The top coating layer, the basecoating layer, and, optionally, the electrodeposition coating layer are cured simultaneously.Type: GrantFiled: February 13, 2003Date of Patent: May 12, 2009Assignee: PPG Industries Ohio, Inc.Inventors: Sean Purdy, Dennis A. Simpson, Richard J. Foukes, David A. Aiken, James P. Rowley, Leigh Ann Humbert
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Publication number: 20080305357Abstract: A method of selecting tints for a colored coating composition is disclosed. The method includes (a) providing a plurality of tints, each tint comprising a pigment dispersed in a resinous carrier binder; (b) preparing a plurality coating composition, each coating compositions comprising a resinous coating binder and at least one of the tints, the total binder content being the amount of carrier binder and coating binder; (c) determining the absorbance of radiation in a wavelength band of each coating composition; (d) identifying coating compositions of step (b) having a maximum weight ratio of pigment to total binder and a maximum amount of resinous carrier binder and exhibiting a minimum absorbance in the wavelength band; and (e) selecting the tints from the coating compositions identified in step (d) for use in preparing a colored coating composition.Type: ApplicationFiled: June 6, 2007Publication date: December 11, 2008Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Calum H. Munro, Leigh-Ann Humbert
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Patent number: 5965670Abstract: Curable film-forming compositions comprising acrylic polyols, aminoplast and carbamoyl triazines are disclosed. The compositions are useful as clear coats in composite color-plus-clear coatings.Type: GrantFiled: May 4, 1998Date of Patent: October 12, 1999Assignee: PPG Industries Ohio, Inc.Inventors: George W. Mauer, William E. Michael, John W. Burgman, Leigh-Ann Humbert
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Patent number: 5959040Abstract: A film-forming composition is provided comprising: (i) pigment; (ii) an aminoplast crosslinking agent containing methylol and/or methylol ether groups; and (iii) a polymer or oligomer selected from the group consisting of (a) an acrylic polymer or oligomer containing a plurality of groups of the structure: ##STR1## wherein R.sub.1 is hydrogen or methyl and R.sub.2 is a divalent group; (b) a polyester polymer or oligomer containing a plurality of terminal carbamate groups of the structure: ##STR2## and (c) mixtures thereof. The film-forming composition is suitable for application over a substrate as a monocoat which exhibits a high level of acid etch resistance.Type: GrantFiled: August 22, 1997Date of Patent: September 28, 1999Assignee: PPG Industries Ohio, Inc.Inventors: Michael A. Mayo, Leigh-Ann Humbert
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Patent number: 5922475Abstract: A curable film-forming composition is provided comprising: (i) a polyester polymer or oligomer containing a plurality of carbamate groups of the structure: ##STR1## (ii) an alkylolated and optionally etherified carbamate functional acrylic polymer; and (iii) an aminoplast crosslinking agent.A multi-component composite coating composition is also provided. The coating composition comprises a pigmented film-forming composition serving as a base coat and a clear film-forming composition serving as a transparent coat over the base coat. The transparent coat, or clear coat, is derived from the curable film-forming composition described above.Type: GrantFiled: April 29, 1997Date of Patent: July 13, 1999Assignee: PPG Industries Ohio, Inc.Inventors: Steven V. Barancyk, Leigh-Ann Humbert
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Patent number: 5780559Abstract: A film-forming composition is provided comprising: (i) an amide functional polymer, copolymer or oligomer selected from (a) acrylic polymers, (b) polyesters, (c) polyurethanes, (d) polyethers or (e) mixtures thereof; and (ii) an aminoplast crosslinking agent containing methylol and/or methylol ether groups. The acrylic polymers have a plurality of groups of at least one of the structures: ##STR1## wherein n is 0 or 1, R.sub.1 is hydrogen or methyl, R.sub.2 is a divalent linking group having about 1 to 30 carbon atoms when the group is of the first structure, or R.sub.2 is alkylene having about 2 to 13 carbon atoms when the group is of structure II, and R.sub.3 is hydrogen or lower alkyl having 1 to 4 carbon atoms. The (b), (c), and (d) polymers each have a plurality of terminal amide groups.Type: GrantFiled: July 22, 1996Date of Patent: July 14, 1998Assignee: PPG Industries, Inc.Inventors: Leigh-Ann Humbert, Daniel E. Rardon, Michael A. Mayo, Steven V. Barancyk, James B. O'Dwyer
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Patent number: 5759694Abstract: A novel polyester is provided comprising the reaction product of: (1) an acid functional polyester which is prepared from: (a) a material of the structure: ##STR1## wherein X is a lower alkyl group having from about 1 to about 4 carbon atoms, and R and R' are independently lower alkylene groups having from about 1 to about 4 carbon atoms; (b) a polyol different from (a); and (c) a polyacid; and (2) a monoepoxide containing from about 3 to 20 carbon atoms. The reaction product is carbamoylated. The carbamoylated polyester can be present in a film-forming composition also having a carbamate functional acrylic polymer; and an aminoplast crosslinking agent. Also such a film-forming composition can be a clear coat in a multi-component composite coating composition.Type: GrantFiled: June 30, 1997Date of Patent: June 2, 1998Assignee: PPG Industries, Inc.Inventors: Michael A. Mayo, Daniel E. Rardon, Leigh-Ann Humbert