Patents by Inventor Davina Schwartzmiller
Davina Schwartzmiller 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: 10221315Abstract: A coating composition is disclosed comprising a film-forming resin and a catalyst component. The catalyst component comprises a catalyst contained within or encapsulated by a carrier; at least some of the catalyst is capable of being released from the carrier via diffusion through the carrier and into the coating composition. Methods of controlling the rate of cure of a curable film-forming composition and increasing the pot life of the composition by adding such catalyst components are also disclosed.Type: GrantFiled: November 8, 2013Date of Patent: March 5, 2019Assignee: PPG Industries Ohio, Inc.Inventors: Scott Moravek, Davina Schwartzmiller, Jane Valenta
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Patent number: 9796858Abstract: A method comprising (a) applying a composition to a substrate as a substantially continuous coating on the substrate, (b) curing the coating, wherein the composition comprises: (i) a polyene, (ii) a polythiol, (iii) 0.001 to 20 percent by weight of an anhydride, and (iv) up to 80 percent by weight of a pigment, particularly wherein the mole ratio of (ii) to (i) being from 0.1 to 10/1; the percentage by weight of (iii) being based on weight of resin solids in the composition and the percentage by weight of (iv) being based on solids weight of the composition.Type: GrantFiled: September 13, 2016Date of Patent: October 24, 2017Assignee: PPG Industries Ohio, Inc.Inventors: Adam B. Powell, Davina Schwartzmiller, Steven Bowles, Scott Moravek
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Patent number: 9650480Abstract: Curable film-forming compositions are provided. The compositions comprise (a) a curing agent comprising reactive functional groups; (b) a film-forming compound comprising functional groups reactive with the reactive functional groups in (a); and (c) a catalyst component added to the curable film-forming composition as a dispersion of micelles in a continuous phase. The catalyst component (c) comprises a catalyst compound contained within or encapsulated by a carrier, and the catalyst compound and carrier together form the micelles in the continuous phase. The carrier comprises block copolymers that comprise at least one hydrophobic block derived from hydrophobic monomers and at least one hydrophilic block derived from (1) hydrophilic monomers and/or (2) monomers containing groups that may be rendered hydrophilic after polymerization.Type: GrantFiled: April 15, 2015Date of Patent: May 16, 2017Assignee: PPG Industries Ohio, Inc.Inventors: Scott J. Moravek, Steven Bowles, Davina Schwartzmiller, Wei Wang, David Fenn, Adam Bradley Powell
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Patent number: 9617365Abstract: The present invention is directed to catalytic compositions and to curable compositions containing them. Catalytic compositions of the present invention typically comprise: (i) a reactive compound comprising at least one group selected from acid-functional groups and/or groups that may be converted to acid-functional groups; (ii) a metal compound; and (iii) a compound different from (i) and (ii) that catalyzes an addition reaction between an ethylenically unsaturated compound and a thiol. Curable compositions according to the present invention comprise: (a) a polyene, (b) a polythiol, and (c) the afore-mentioned catalytic composition.Type: GrantFiled: November 19, 2015Date of Patent: April 11, 2017Assignee: PPG Industries Ohio, Inc.Inventors: Scott J. Moravek, Steven Bowles, Davina Schwartzmiller, Adam Bradley Powell, Kurt G. Olson, Maurizio Ballarino, Matteo Bertoli, Stefano Gianellini, Terri Ziegler
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Publication number: 20160376448Abstract: A curable composition comprising a polyene, a polythiol and an anhydride is disclosed.Type: ApplicationFiled: September 13, 2016Publication date: December 29, 2016Applicant: PPG Industries Ohio, Inc.Inventors: Adam B. Powell, Davina Schwartzmiller, Steven Bowles, Scott Moravek
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Publication number: 20160304678Abstract: Curable film-forming compositions are provided. The compositions comprise (a) a curing agent comprising reactive functional groups; (b) a film-forming compound comprising functional groups reactive with the reactive functional groups in (a); and (c) a catalyst component added to the curable film-forming composition as a dispersion of micelles in a continuous phase. The catalyst component (c) comprises a catalyst compound contained within or encapsulated by a carrier, and the catalyst compound and carrier together form the micelles in the continuous phase. The carrier comprises block copolymers that comprise at least one hydrophobic block derived from hydrophobic monomers and at least one hydrophilic block derived from (1) hydrophilic monomers and/or (2) monomers containing groups that may be rendered hydrophilic after polymerization.Type: ApplicationFiled: April 15, 2015Publication date: October 20, 2016Inventors: SCOTT J. MORAVEK, STEVEN BOWLES, DAVINA SCHWARTZMILLER, WEI WANG, DAVID FENN, ADAM BRADLEY POWELL
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Patent number: 9464203Abstract: A curable composition comprising a polyene, a polythiol and an anhydride is disclosed.Type: GrantFiled: March 12, 2015Date of Patent: October 11, 2016Assignee: PPG industries Ohio, Inc.Inventors: Adam B. Powell, Davina Schwartzmiller, Steven Bowles, Scott Moravek
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Publication number: 20160264697Abstract: The present invention is directed to catalytic compositions and to curable compositions containing them. Catalytic compositions of the present invention typically comprise: (i) a reactive compound comprising at least one group selected from acid-functional groups and/or groups that may be converted to acid-functional groups; (ii) a metal compound; and (iii) a compound different from (i) and (ii) that catalyzes an addition reaction between an ethylenically unsaturated compound and a thiol. Curable compositions according to the present invention comprise: (a) a polyene, (b) a polythiol, and (c) the afore mentioned catalytic composition.Type: ApplicationFiled: November 19, 2015Publication date: September 15, 2016Inventors: SCOTT J. MORAVEK, STEVEN BOWLES, DAVINA SCHWARTZMILLER, ADAM BRADLEY POWELL, KURT G. OLSON, MAURIZIO Ballarino, Matteo Bertoli, Stefano Gianellini, TERRI ZIEGLER
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Publication number: 20160264812Abstract: A curable composition comprising a polyene, a polythiol and an anhydride is disclosed.Type: ApplicationFiled: March 12, 2015Publication date: September 15, 2016Applicant: PPG Industries Ohio, Inc.Inventors: Adam B. Powell, Davina Schwartzmiller, Steven Bowles, Scott Moravek
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Publication number: 20150133595Abstract: A catalyst composition is provided. The composition comprises at least 30 percent by weight of a catalyst compound based on the total weight of solids in the catalyst composition; and a polymer prepared from ethylenically unsaturated monomers. The polymer either (i) has a backbone derived from substantially hydrophilic monomers and/or monomers containing groups that may be rendered substantially hydrophilic after polymerization, and a plurality of side chains along the backbone derived from substantially hydrophobic monomers, or (ii) has a backbone derived from substantially hydrophobic monomers and a plurality of side chains along the backbone derived from substantially hydrophilic monomers and/or monomers containing groups that may be rendered substantially hydrophilic after polymerization. The catalyst compound is contained within or encapsulated by the polymer. Methods of preparing the catalyst composition and curable compositions containing the catalyst composition are also provided.Type: ApplicationFiled: November 8, 2013Publication date: May 14, 2015Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Scott Moravek, Davina Schwartzmiller, Steven V. Barancyk, David Fenn
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Publication number: 20150132497Abstract: A coating composition is disclosed comprising a film-forming resin and a catalyst component. The catalyst component comprises a catalyst contained within or encapsulated by a carrier; at least some of the catalyst is capable of being released from the carrier via diffusion through the carrier and into the coating composition. Methods of controlling the rate of cure of a curable film-forming composition and increasing the pot life of the composition by adding such catalyst components are also disclosed.Type: ApplicationFiled: November 8, 2013Publication date: May 14, 2015Applicant: PPG Industries Ohio, Inc.Inventors: Scott Moravek, Davina Schwartzmiller, Jane Valenta
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Patent number: 9018327Abstract: A catalyst composition is provided. The composition comprises at least 30 percent by weight of a catalyst compound based on the total weight of solids in the catalyst composition; and a polymer prepared from ethylenically unsaturated monomers. The polymer either (i) has a backbone derived from substantially hydrophilic monomers and/or monomers containing groups that may be rendered substantially hydrophilic after polymerization, and a plurality of side chains along the backbone derived from substantially hydrophobic monomers, or (ii) has a backbone derived from substantially hydrophobic monomers and a plurality of side chains along the backbone derived from substantially hydrophilic monomers and/or monomers containing groups that may be rendered substantially hydrophilic after polymerization. The catalyst compound is contained within or encapsulated by the polymer. Methods of preparing the catalyst composition and curable compositions containing the catalyst composition are also provided.Type: GrantFiled: November 8, 2013Date of Patent: April 28, 2015Assignee: PPG Industries Ohio, Inc.Inventors: Scott Moravek, Davina Schwartzmiller, Steven V. Barancyk, David Fenn
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Publication number: 20140072797Abstract: Multilayer coating systems for mitigating ice build-up on a substrate, methods of applying and related substrates are disclosed. The coating system may comprise a first coating, and a second coating deposited on at least a portion of the first coating, wherein the first coating and/or second coating comprises a near-IR absorber. Methods of applying a multilayer coating composition to a substrate may comprise applying a first coating, and applying a second coating over at least a portion of the first coating, wherein the first coating and/or second coating comprises a near-IR absorber.Type: ApplicationFiled: September 13, 2012Publication date: March 13, 2014Applicant: PPG Industries Ohio, Inc.Inventors: Scott Moravek, Mark P. Bowman, Davina Schwartzmiller, Jane N. Valenta, Edward Rakiewicz, Gordon L. Post
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Patent number: 7776959Abstract: Coatings comprising a polymer comprising a terpene and a monomer polymerized with terpene by free radical polymerization are disclosed. Coatings comprising terpene in greater than 30 wt % are also disclosed as are coatings comprising a terpene and a urea. Copolymers with terpene are also disclosed.Type: GrantFiled: November 29, 2006Date of Patent: August 17, 2010Assignee: PPG Industries Ohio, Inc.Inventors: Simion Coca, James O'Dwyer, Richard F. Karabin, Stephen J. Thomas, Victoria A. Trettel, Davina Schwartzmiller, Jane N. Valenta, Gregory J. McCollum, Richard J. Sadvary
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Publication number: 20080121139Abstract: Coatings comprising a polymer comprising a terpene and a monomer polymerized with terpene by free radical polymerization are disclosed. Coatings comprising terpene in greater than 30 wt % are also disclosed as are coatings comprising a terpene and a urea. Copolymers with terpene are also disclosed.Type: ApplicationFiled: November 29, 2006Publication date: May 29, 2008Inventors: SIMION COCA, JAMES O'DWYER, RICHARD F. KARABIN, STEPHEN J. THOMAS, VICTORIA A. TRETTEL, DAVINA SCHWARTZMILLER, JANE N. VALENTA, GREGORY J. McCOLLUM, RICHARD J. SADVARY
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Publication number: 20070244258Abstract: A clear coating composition for use over a colored basecoat having improved scratch resistance is disclosed. The coating composition comprises a film-forming polymer and a curing agent. The improvement is due to the incorporation in the clear coating composition of an adjuvant resin having functional groups reactive with the curing agent and positioned between the functional groups a moiety having a hydrocarbon chain of at least 10 contiguous carbon atoms.Type: ApplicationFiled: March 29, 2006Publication date: October 18, 2007Inventors: Shanti Swarup, Richard Sadvary, Dennis Simpson, Davina Schwartzmiller, Kurt Olson