Patents by Inventor Steven R. Zawacky
Steven R. Zawacky 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: 20240141538Abstract: The invention provides an electrodepositable coating composition comprising a resinous phase dispersed in an aqueous medium, said resinous phase comprising: (1) an ungelled active hydrogen-containing, cationic salt group-containing resin; (2) an at least partially blocked polyisocyanate curing agent; and (3) a pigment component, wherein the pigment component comprises an inorganic, platelike pigment present in the resinous phase, wherein the electrodepositable coating composition contains less than 8 percent by weight of a grind vehicle, based on the total weight of solids in the electrodepositable coating composition. The invention also provides methods of improving the corrosion resistance of a metal substrate and coated substrates.Type: ApplicationFiled: January 12, 2024Publication date: May 2, 2024Applicant: PPG Industries Ohio, Inc.Inventors: Silvia Bezer, Steven R. Zawacky, Egle Puodziukynaite
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Patent number: 11905610Abstract: The invention provides a method of improving the corrosion resistance of a metal substrate. The method comprises: (a) electrophoretically depositing on the substrate a curable electrodepositable coating composition to form a coating over at least a portion of the substrate, and (b) heating the substrate to a temperature and for a time sufficient to cure the coating on the substrate. The electrodepositable coating composition comprises a resinous phase dispersed in an aqueous medium, the resinous phase comprising: (1) an ungelled active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (2) an at least partially blocked polyisocyanate curing agent; and (3) a pigment component comprising an inorganic, platelike pigment having an average equivalent spherical diameter of at least 0.2 microns. The electrodepositable coating composition demonstrates a pigment-to-binder ratio of at least 0.5. The coating composition contains less than 8 percent by weight of a grind vehicle.Type: GrantFiled: April 13, 2020Date of Patent: February 20, 2024Assignee: PPG Industries Ohio, Inc.Inventors: Silvia Bezer, Steven R. Zawacky, Egle Puodziukynaite
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Patent number: 11827809Abstract: The present invention is directed towards an electrodepositable coating composition comprising a film-forming binder and electrically conductive particles, wherein the electrically conductive particles are present in an amount of at least 25% by weight, based on the total solids weight of the electrodepositable coating composition. The present invention is also directed towards methods of coating a substrate, coatings, and coated substrates.Type: GrantFiled: December 20, 2018Date of Patent: November 28, 2023Assignee: PPG Industries Ohio, Inc.Inventors: Steven R. Zawacky, Egle Puodziukynaite, Stephen L. Milanak, Jr., Michael G. Sandala, John T. Donnelly, Corey J. DeDomenic, Kevin T. Sylvester, Minh An Thi Nguyen, Landon J. Oakes, Brian C. Okerberg, Ross A. Moretti
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Patent number: 11306174Abstract: The present invention is directed to an aqueous curable film-forming composition comprising: (a) a film-forming component comprising an aliphatic di- or higher functional polyisocyanate; and (b) a catalyst additive comprising: (i) a catalytic organic compound comprising iron and/or tin; and (ii) a beta-diketone. The present invention is further directed to a method of controlling the rate of cure of an aqueous curable film-forming composition. The method comprises adding to the aqueous curable film-forming composition the catalyst additive described above; the aqueous curable film-forming composition comprises a film-forming component comprising an aliphatic di- or higher functional polyisocyanate. The present invention is additionally directed to a coated article comprising a cured coating layer applied on at least one surface of a substrate to form a coated substrate; wherein the cured coating layer is deposited from the aqueous curable film-forming composition described above.Type: GrantFiled: March 1, 2018Date of Patent: April 19, 2022Assignee: PPG Industries Ohio, Inc.Inventors: Silvia Bezer, Steven R. Zawacky, Diane Schillinger
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Publication number: 20220010165Abstract: The present invention is directed to an aqueous curable film-forming composition comprising: (a) a film-forming component comprising an aliphatic di- or higher functional polyisocyanate; and (b) a catalyst additive comprising: (i) a catalytic organic compound comprising iron (II) and optionally tin; and (ii) a beta-diketone. The present invention is further directed to a method of controlling the rate of cure of an aqueous curable film-forming composition. The method comprises adding to the aqueous curable film-forming composition the catalyst additive described above; the aqueous curable film-forming composition comprises a film-forming component comprising an aliphatic di- or higher functional polyisocyanate. The present invention is additionally directed to a coated article comprising a cured coating layer applied on at least one surface of a substrate to form a coated substrate; wherein the cured coating layer is deposited from the aqueous curable film-forming composition described above.Type: ApplicationFiled: November 8, 2018Publication date: January 13, 2022Applicant: PPG Industries Ohio, Inc.Inventors: Peter Alan Lukus, Michael J. Pawlik, Silvia Bezer, Steven R. Zawacky, Diane Jean Schillinger, Samuel Logan Esarey
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Publication number: 20210332251Abstract: The present invention relates to a substrate having (a) a first material applied to at least a portion of the substrate, and (b) a coating layer deposited from a liquid coating composition including a film-forming resin, and optionally a crosslinker that is reactive with the film-forming resin, in direct contact with at least a portion of the substrate to which the first material has been applied. The first material is (i) a catalyst that catalyzes cure of the liquid coating composition, (ii) a component reactive with the film-forming resin and/or the crosslinker of the liquid coating composition, and/or (iii) a rheology modifier.Type: ApplicationFiled: August 27, 2019Publication date: October 28, 2021Applicant: PPG Industries Ohio, Inc.Inventors: Troy James Larimer, John R. Schneider, Anthony M. Chasser, Brian Edward Woodworth, Justin Jonathan Martin, Steven Joseph Lemon, Craig Daniel Niederst, Corey James DeDomenic, Brian C. Okerberg, Steven R. Zawacky
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Publication number: 20200399479Abstract: The present invention is directed towards an electrodepositable coating composition comprising a film-forming binder and electrically conductive particles, wherein the electrically conductive particles are present in an amount of at least 25% by weight, based on the total solids weight of the electrodepositable coating composition. The present invention is also directed towards methods of coating a substrate, coatings, and coated substrates.Type: ApplicationFiled: December 20, 2018Publication date: December 24, 2020Applicant: PPG Industries Ohio, Inc.Inventors: Steven R. Zawacky, Egle Puodziukynaite, Stephen L. Milanak, JR., Michael G. Sandala, John T. Donnelly, Corey J. DeDomenic, Kevin T. Sylvester, Minh An Thi Nguyen, Landon J. Oakes, Brian C. Okerberg, Ross A. Moretti
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Publication number: 20200270758Abstract: The invention provides a method of improving the corrosion resistance of a metal substrate. The method comprises: (a) electrophoretically depositing on the substrate a curable electrodepositable coating composition to form a coating over at least a portion of the substrate, and (b) heating the substrate to a temperature and for a time sufficient to cure the coating on the substrate. The electrodepositable coating composition comprises a resinous phase dispersed in an aqueous medium, the resinous phase comprising: (1) an ungelled active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (2) an at least partially blocked polyisocyanate curing agent; and (3) a pigment component comprising an inorganic, platelike pigment having an average equivalent spherical diameter of at least 0.2 microns. The electrodepositable coating composition demonstrates a pigment-to-binder ratio of at least 0.5. The coating composition contains less than 8 percent by weight of a grind vehicle.Type: ApplicationFiled: April 13, 2020Publication date: August 27, 2020Applicant: PPG INDUSTRIES OHIO, INC.Inventors: SILVIA BEZER, STEVEN R. ZAWACKY, EGLE PUODZIUKYNAITE
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Patent number: 10697081Abstract: The invention provides a method of improving the corrosion resistance of a metal substrate. The method comprises: (a) electrophoretically depositing on the substrate a curable electrodepositable coating composition to form a coating over at least a portion of the substrate, and (b) heating the substrate to a temperature and for a time sufficient to cure the coating on the substrate. The electrodepositable coating composition comprises a resinous phase dispersed in an aqueous medium, the resinous phase comprising: (1) an ungelled active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (2) an at least partially blocked polyisocyanate curing agent; and (3) a pigment component comprising an inorganic, platelike pigment having an average equivalent spherical diameter of at least 0.2 microns. The electrodepositable coating composition demonstrates a pigment-to-binder ratio of at least 0.5. The coating composition contains less than 8 percent by weight of a grind vehicle.Type: GrantFiled: June 22, 2018Date of Patent: June 30, 2020Assignee: PPG Industries Ohio, Inc.Inventors: Silvia Bezer, Steven R. Zawacky, Egle Puodziukynaite
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Publication number: 20200095365Abstract: The present invention is directed to an aqueous curable film-forming composition comprising: (a) a film-forming component comprising an aliphatic di- or higher functional polyisocyanate; and (b) a catalyst additive comprising: (i) a catalytic organic compound comprising iron and/or tin; and (ii) a beta-diketone. The present invention is further directed to a method of controlling the rate of cure of an aqueous curable film-forming composition. The method comprises adding to the aqueous curable film-forming composition the catalyst additive described above; the aqueous curable film-forming composition comprises a film-forming component comprising an aliphatic di- or higher functional polyisocyanate. The present invention is additionally directed to a coated article comprising a cured coating layer applied on at least one surface of a substrate to form a coated substrate; wherein the cured coating layer is deposited from the aqueous curable film-forming composition described above.Type: ApplicationFiled: March 1, 2018Publication date: March 26, 2020Applicant: PPG Industries Ohio, Inc.Inventors: Silvia Bezer, Steven R. Zawacky, Diane Schillinger
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Publication number: 20190390358Abstract: The invention provides a method of improving the corrosion resistance of a metal substrate. The method comprises: (a) electrophoretically depositing on the substrate a curable electrodepositable coating composition to form a coating over at least a portion of the substrate, and (b) heating the substrate to a temperature and for a time sufficient to cure the coating on the substrate. The electrodepositable coating composition comprises a resinous phase dispersed in an aqueous medium, the resinous phase comprising: (1) an ungelled active hydrogen-containing, cationic salt group-containing resin electrodepositable on a cathode; (2) an at least partially blocked polyisocyanate curing agent; and (3) a pigment component comprising an inorganic, platelike pigment having an average equivalent spherical diameter of at least 0.2 microns. The electrodepositable coating composition demonstrates a pigment-to-binder ratio of at least 0.5. The coating composition contains less than 8 percent by weight of a grind vehicle.Type: ApplicationFiled: June 22, 2018Publication date: December 26, 2019Applicant: PPG INDUSTRIES OHIO, INC.Inventors: SILVIA BEZER, STEVEN R. ZAWACKY, EGLE PUODZIUKYNAITE
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Publication number: 20190112449Abstract: The present invention is directed to a process for producing a molded polymeric article including: providing a polymerizable composition of a reaction mixture of at least the following components: a mold release agent of ionic fluoride and/or ionic fluoride precursor, and a polymeric organic material selected from thermosetting organic polymeric materials and thermoplastic organic materials; allowing the reaction mixture to undergo exothermic reaction; providing a mold having a first part and a second part spaced one from the other thereby forming a cavity there between; introducing the reaction mixture into the mold cavity wherein the reaction mixture is at a temperature of up to 130° C.; holding the mold at a temperature and for a time sufficient to cure the reaction mixture thereby forming a molded polymeric article within the mold; and removing the molded polymeric article from the mold. Molded articles also are provided.Type: ApplicationFiled: December 21, 2018Publication date: April 18, 2019Inventors: Matthew J. Kryger, Steven R. Zawacky, Charles R. Hickenboth
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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: 20180037691Abstract: Methods of catalyzing chemical reactions are provided. A tertiary amine blocked with an acid, the acid having a vapor pressure greater than 1.0 mm Hg at 25° C., is added as a catalyst to reaction mixtures. Reaction mixtures contain uretdione or isocyanate functional materials, in various combinations with hydroxyl, thiol, and/or amine functional materials. Curable compositions comprising these catalysts and reaction mixtures are also provided.Type: ApplicationFiled: August 3, 2016Publication date: February 8, 2018Inventors: LAWRENCE JOSEPH FITZGERALD, BRUCE CONNELLY, STEVEN R. ZAWACKY, EMMA SHWARTZ
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Coating compositions exhibiting corrosion resistance properties, related coated articles and methods
Patent number: 9624383Abstract: Disclosed are coating compositions, such as primer compositions, suitable for providing corrosion protection to metal substrates, as well as related coated articles and methods.Type: GrantFiled: April 24, 2014Date of Patent: April 18, 2017Assignee: PPG Industries Ohio, Inc.Inventors: Matthew S. Scott, Richard F. Syput, Steven R. Zawacky -
Publication number: 20170015805Abstract: The present invention is directed to an organic polymerizable composition for producing a molded polymeric article. The composition includes a mold release agent of ionic fluoride and/or ionic fluoride precursor present in an amount sufficient to effect at least partial demolding of the polymeric article from a mold. Molded articles also are provided.Type: ApplicationFiled: July 14, 2016Publication date: January 19, 2017Inventors: Matthew J. Kryger, Steven R. Zawacky, Charles R. Hickenboth
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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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Patent number: 8911832Abstract: The present invention is directed to a method of mitigating ice build-up on a substrate, comprising applying to the substrate combinations of curable film-forming compositions. The curable film-forming compositions may comprise functional film-forming polymers and curing agents or any of various polysiloxanes and optionally silanes with reactive groups. The film-forming compositions can be applied directly to the surface of the substrate or to a primer coat on the substrate.Type: GrantFiled: November 29, 2012Date of Patent: December 16, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Bruce A Connelly, Edward Francis Rakiewicz, Davina J Schwartzmiller, Michael Zalich, Scott Joseph Moravek, Jane N. Valenta, Steven R Zawacky
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Patent number: 8884059Abstract: The present invention is directed towards an electrocoating composition comprising a cyclic guanidine.Type: GrantFiled: September 17, 2010Date of Patent: November 11, 2014Assignee: PPG Industries Ohio, Inc.Inventors: Steven R. Zawacky, Thomas C. Moriarity, Donald W. Boyd, Geoffrey R. Webster, Joseph Lucas, Alan J. Kaylo, Chester J. Szymanski, Venkatachalam Eswarakrishnan