Patents by Inventor Christopher A. Dacko
Christopher A. Dacko 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: 20230044601Abstract: The present invention is directed towards an electrodepositable coating composition comprising a cationic electrodepositable binder; a phyllosilicate pigment; and a dispersing agent. Also disclosed are methods of making the electrodepositable coating composition, coatings derived therefrom, and substrates coated with the coatings derived from the electrodepositable coating composition.Type: ApplicationFiled: December 18, 2020Publication date: February 9, 2023Applicant: PPG Industries Ohio, Inc.Inventors: Kevin T. Sylvester, Egle Puodziukynaite, Corey J. Dedomenic, Kevin A. O'neil, Richard F. Karabin, Silvia Bezer, Christopher A. Dacko, Kelly L. Moore, Mark L. Follet, Jonathan G. Weis
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Patent number: 11485874Abstract: The present invention is directed to an addition polymer comprising an addition polymer backbone; at least one moiety comprising a phosphorous acid group, the moiety being covalently bonded to the addition polymer backbone by a carbon-carbon bond; and at least one carbamate functional group. The present invention is also directed towards methods of making the addition polymer, aqueous resinous dispersions and electrodepositable coating compositions comprising the addition polymer, methods of coating a substrate and coated substrates.Type: GrantFiled: June 27, 2019Date of Patent: November 1, 2022Assignee: PRC-DESOTO INTERNATIONAL, INC.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
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Patent number: 11313048Abstract: The present invention is directed to an addition polymer comprising an addition polymer backbone; at least one moiety comprising a sulfonic acid group; and at least one carbamate functional group. The present invention is also directed towards methods of making the addition polymer, aqueous resinous dispersions comprising the addition polymer, methods of coating a substrate and coated substrates.Type: GrantFiled: June 27, 2019Date of Patent: April 26, 2022Assignee: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
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Patent number: 11274167Abstract: The present invention is directed to a compound of formula I, wherein R1 comprises hydrogen, an alkyl group, or an aryl group; R2 comprises hydrogen or a methyl group; R3 comprises a divalent organic group; R4 comprises a divalent organic group; and X comprises oxygen, NH, or N(R5), wherein R5 comprises a monovalent organic group. The present invention is also directed towards polymers comprising a pendant carbamate-functional moiety comprising the structure: wherein R1 comprises hydrogen, an alkyl group, or an aryl group; R2 comprises hydrogen or a methyl group; R3 comprises a divalent organic group; R4 comprises a divalent organic group; and X comprises oxygen, NH, or N(R5) wherein R5 comprises a monovalent organic group. The present invention is also directed to methods of preparing such compounds and polymers, compositions comprising such polymers, and coatings produced from such compositions.Type: GrantFiled: June 27, 2019Date of Patent: March 15, 2022Assignee: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Hongying Zhou
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Publication number: 20210284864Abstract: The present invention is directed to a phosphated epoxy resin comprising at least one terminal group comprising a phosphorous atom covalently bonded to the re sin by a carbon-phosphorous bond or by a phosphoester linkage; and at least one carbamate functional group. The present invention is also directed towards aqueous resinous dispersions comprising the phosphated epoxy resin, methods of coating a substrate, coated substrates, and methods of making a phosphated epoxy resin.Type: ApplicationFiled: June 27, 2019Publication date: September 16, 2021Applicant: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
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Patent number: 10947408Abstract: The present invention is directed to a phosphated epoxy resin comprising at least one terminal group comprising a phosphorous atom covalently bonded to the resin by a carbon-phosphorous bond or by a phosphoester linkage; and at least one carbamate functional group. The present invention is also directed towards aqueous resinous dispersions comprising the phosphated epoxy resin, methods of coating a substrate, coated substrates, and methods of making a phosphated epoxy resin.Type: GrantFiled: June 27, 2018Date of Patent: March 16, 2021Assignee: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
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Publication number: 20200407587Abstract: The present invention is directed to an addition polymer comprising an addition polymer backbone; at least one moiety comprising a phosphorous acid group, the moiety being covalently bonded to the addition polymer backbone by a carbon-carbon bond; and at least one carbamate functional group. The present invention is also directed towards methods of making the addition polymer, aqueous resinous dispersions and electrodepositable coating compositions comprising the addition polymer, methods of coating a substrate and coated substrates.Type: ApplicationFiled: June 27, 2019Publication date: December 31, 2020Applicant: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
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Publication number: 20200407864Abstract: The present invention is directed to an addition polymer comprising an addition polymer backbone; at least one moiety comprising a sulfonic acid group; and at least one carbamate functional group. The present invention is also directed towards methods of making the addition polymer, aqueous resinous dispersions comprising the addition polymer, methods of coating a substrate and coated substrates.Type: ApplicationFiled: June 27, 2019Publication date: December 31, 2020Applicant: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
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Publication number: 20200407471Abstract: The present invention is directed to a compound of formula I, wherein R1 comprises hydrogen, an alkyl group, or an aryl group; R2 comprises hydrogen or a methyl group; R3 comprises a divalent organic group; R4 comprises a divalent organic group; and X comprises oxygen, NH, or N(R5), wherein R5 comprises a monovalent organic group. The present invention is also directed towards polymers comprising a pendant carbamate-functional moiety comprising the structure: wherein R1 comprises hydrogen, an alkyl group, or an aryl group; R2 comprises hydrogen or a methyl group; R3 comprises a divalent organic group; R4 comprises a divalent organic group; and X comprises oxygen, NH, or N(R5) wherein R5 comprises a monovalent organic group. The present invention is also directed to methods of preparing such compounds and polymers, compositions comprising such polymers, and coatings produced from such compositions.Type: ApplicationFiled: June 27, 2019Publication date: December 31, 2020Applicant: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Hongying Zhou
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Publication number: 20200002566Abstract: The present invention is directed to a phosphated epoxy resin comprising at least one terminal group comprising a phosphorous atom covalently bonded to the resin by a carbon-phosphorous bond or by a phosphoester linkage; and at least one carbamate functional group. The present invention is also directed towards aqueous resinous dispersions comprising the phosphated epoxy resin, methods of coating a substrate, coated substrates, and methods of making a phosphated epoxy resin.Type: ApplicationFiled: June 27, 2018Publication date: January 2, 2020Applicant: PRC-DeSoto International, Inc.Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
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Publication number: 20190359867Abstract: The present invention is directed towards a coating composition comprising a film-forming polymer comprising active hydrogen-containing functional groups; a blocked polyisocyanate curing agent comprising a blocking group derived from a blocking agent comprising an alpha-hydroxy amide, ester or thioester; and a curing catalyst that does not contain tin, lead, iron, zinc or manganese. Also disclosed are coatings, coated substrates, and methods of coating a substrate.Type: ApplicationFiled: February 7, 2018Publication date: November 28, 2019Applicant: PPG INDUSTRIES OHIO, INC.Inventors: Venkatachalam Eswarakrishnan, Hongying Zhou, Michael G. Sandala, Carolyn A.K. Novak, Jo-Ann E. Bice, Christopher A. Dacko, Hyun Wook Ro, Richard F. Syput, Egle Puodziukynaite, Craig A. Wilson, Justin M. Jones, Herbert Tillman
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Patent number: 9994720Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.Type: GrantFiled: July 9, 2015Date of Patent: June 12, 2018Assignee: PPG Industries Ohio, Inc.Inventors: Christopher Dacko, Richard F. Karabin, Craig Wilson, Steven R. Zawacky
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Publication number: 20150307722Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.Type: ApplicationFiled: July 9, 2015Publication date: October 29, 2015Inventors: Christopher Dacko, Richard F. Karabin, Craig Wilson, Steven R. Zawacky
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Patent number: 9108968Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.Type: GrantFiled: April 25, 2012Date of Patent: August 18, 2015Assignee: PPG Industries Ohio, Inc.Inventors: Christopher Dacko, Richard F. Karabin, Craig Wilson, Steven R. Zawacky
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Publication number: 20130289273Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.Type: ApplicationFiled: February 28, 2013Publication date: October 31, 2013Applicant: PPG Industries Ohio, Inc.Inventors: Christopher A. Dacko, Richard F. Karabin, Craig A. Wilson, Steven R. Zawacky, Gregory J. McCollum
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Publication number: 20130289272Abstract: Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene using a disubstituted carbodiimide, dipropylene triamine and optionally an ethereal solvent and/or an alcohol are disclosed. Use of 1,5,7-triazabicyclo[4.4.0]dec-5-ene produced by this method in an electrodepositable coating composition, and electrophoretic deposition of such coating onto a substrate to form a coated substrate, are also disclosed.Type: ApplicationFiled: April 25, 2012Publication date: October 31, 2013Applicant: PPG Industries Ohio, Inc.Inventors: Christopher Dacko, Richard F. Karabin, Craig Wilson, Steven R. Zawacky
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Patent number: 8563560Abstract: Disclosed herein are bicyclic guanidine salts, useful as cure catalysts for electrodeposited coatings. The bicyclic guanidine salts are formed as the reaction product of reactants comprising (a) a compound having the general formula CXn, wherein X is N, O, or S and wherein n is 2 to 4; (b) an acid; (c) dipropylene triamine; and (d) water, and an associated method for forming a bicyclic guanidine salt from the same reaction ingredients.Type: GrantFiled: February 25, 2011Date of Patent: October 22, 2013Assignee: PPG Industries Ohio, Inc.Inventors: Charles R. Hickenboth, Christopher A. Dacko, Steven R. Zawacky, Gregory J. McCollum
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Publication number: 20120220770Abstract: Disclosed herein are bicyclic guanidine salts formed as the reaction product of reactants comprising (a) a compound having the general formula CXn, wherein X is N, O, or S and wherein n is 2 to 4; (b) an acid; (c) dipropylene triamine; and (d) water, and an associated method for forming a bicyclic guanidine salt from the same reaction ingredients.Type: ApplicationFiled: February 25, 2011Publication date: August 30, 2012Inventors: Charles Robert Hickenboth, Richard F. Karabin, Christopher A. Dacko, Steven Randolph Zawacky, Thomas Charles Moriartiy, Gregory J. McCollum