Patents by Inventor Michael A. Mayo

Michael A. Mayo 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).

  • Publication number: 20250250443
    Abstract: The present invention is directed towards curable film-forming compositions comprising metal particles; an alkaline earth metal compound comprising an alkaline earth metal oxide, an alkaline earth metal carbonate, an alkaline earth metal hydroxide, an alkaline earth metal sulfate, an alkaline earth metal monocarboxylate, an alkaline earth metal phosphate, or combinations thereof; and an organic film-forming binder. Also disclosed are methods of making curable film-forming compositions, methods of coating substrates, and coated substrates resulting therefrom.
    Type: Application
    Filed: April 24, 2025
    Publication date: August 7, 2025
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: MICHAEL A. MAYO, NICOLE L. RAKERS, ELIZABETH A. FURAR, JOHN R. SCHNEIDER, VENKATESHWARLU KALSANI, TROY J. LARIMER, KAMLESH J. SHETH, JAMES E. MCCARTHY, VICTOR F. GEORGIC, MARY LYN CHONG LIM, ARIF MUBAROK, DAVID N. WALTERS
  • Patent number: 12319835
    Abstract: The present invention is directed towards curable film-forming coating compositions comprising metal particles; an alkaline earth metal compound comprising an alkaline earth metal oxide, an alkaline earth metal carbonate, an alkaline earth metal hydroxide, an alkaline earth metal sulfate, an alkaline earth metal monocarboxylate, an alkaline earth metal phosphate, or combinations thereof; and an organic film-forming binder. Also disclosed are methods of making curable film-forming coating compositions, methods of coating substrates, and coated substrates resulting therefrom.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: June 3, 2025
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Michael A. Mayo, Nicole L Rakers, Elizabeth A. Furar, John R. Schneider, Venkateshwarlu Kalsani, Troy J. Larimer, Kamlesh J. Sheth, James E McCarthy, Victor F. Georgic, Mary Lyn Chong Lim, Arif Mubarok
  • Patent number: 12221554
    Abstract: 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: Grant
    Filed: June 27, 2019
    Date of Patent: February 11, 2025
    Assignee: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
  • Patent number: 12104272
    Abstract: Methods for treating a substrate are disclosed. The substrate is deoxidized and then immersed in an electrodepositable pretreatment composition comprising a lanthanide series element and/or a Group IIIB metal, an oxidizing agent, and a metal-complexing agent to deposit a coating from the electrodepositable pretreatment composition onto a surface of the substrate. Optionally, the electrodepositable pretreatment composition may comprise a surfactant. A coating from a spontaneously depositable pretreatment composition comprising a Group IIIB and/or Group IVB metal may be deposited on the substrate surface prior to electrodepositing a coating from the electrodepositable pretreatment composition. Following electrodeposition of the electrodepositable pretreatment composition, the substrate optionally may be contacted with a sealing composition comprising phosphate and a Group IIIB and/or IVB metal. Substrates treated according to the methods also are disclosed.
    Type: Grant
    Filed: February 14, 2023
    Date of Patent: October 1, 2024
    Assignee: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Gordon L. Post, Michael A. Mayo, Edward F. Rakiewicz, Michael J. Pawlik
  • Publication number: 20230203699
    Abstract: Methods for treating a substrate are disclosed. The substrate is deoxidized and then immersed in an electrodepositable pretreatment composition comprising a lanthanide series element and/or a Group IIIB metal, an oxidizing agent, and a metal-complexing agent to deposit a coating from the electrodepositable pretreatment composition onto a surface of the substrate. Optionally, the electrodepositable pretreatment composition may comprise a surfactant. A coating from a spontaneously depositable pretreatment composition comprising a Group IIIB and/or Group IVB metal may be deposited on the substrate surface prior to electrodepositing a coating from the electrodepositable pretreatment composition. Following electrodeposition of the electrodepositable pretreatment composition, the substrate optionally may be contacted with a sealing composition comprising phosphate and a Group IIIB and/or IVB metal. Substrates treated according to the methods also are disclosed.
    Type: Application
    Filed: February 14, 2023
    Publication date: June 29, 2023
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Gordon L. Post, Michael A. Mayo, Edward F. Rakiewicz, Michael J. Pawlik
  • Publication number: 20230074169
    Abstract: Disclosed is a system for treating a metal substrate comprising a conversion composition comprising trivalent chromium in an amount of 0.001 g/L to 20 g/L and a sealing composition comprising an ammonium-containing compound. Also disclosed is a method for treating a metal substrate that includes contacting at least a portion of a surface of the substrate with the conversion composition and then contacting at least a portion of the surface of the substrate with the sealing composition. Also disclosed is a substrate obtainable by treatment with the system and/or obtainable by the method of treatment.
    Type: Application
    Filed: December 23, 2020
    Publication date: March 9, 2023
    Applicant: PRC-Desoto International, Inc.
    Inventors: Gordon L. Post, Michael A. Mayo, Justin J. Martin, Abdulrahman Dawoud Ibrahim
  • Patent number: 11591707
    Abstract: Methods for treating a substrate are disclosed. The substrate is deoxidized and then immersed in an electrodepositable pretreatment composition comprising a lanthanide series element and/or a Group IIIB metal, an oxidizing agent, and a metal-complexing agent to deposit a coating from the electrodepositable pretreatment composition onto a surface of the substrate. Optionally, the electrodepositable pretreatment composition may comprise a surfactant. A coating from a spontaneously depositable pretreatment composition comprising a Group IIIB and/or Group IVB metal may be deposited on the substrate surface prior to electrodepositing a coating from the electrodepositable pretreatment composition. Following electrodeposition of the electrodepositable pretreatment composition, the substrate optionally may be contacted with a sealing composition comprising phosphate and a Group IIIB and/or IVB metal. Substrates treated according to the methods also are disclosed.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: February 28, 2023
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Gordon L. Post, Michael A. Mayo, Edward F. Rakiewicz, Michael J. Pawlik
  • Patent number: 11485874
    Abstract: 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: Grant
    Filed: June 27, 2019
    Date of Patent: November 1, 2022
    Assignee: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
  • Patent number: 11313048
    Abstract: 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: Grant
    Filed: June 27, 2019
    Date of Patent: April 26, 2022
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
  • Publication number: 20210363358
    Abstract: The present invention is directed towards curable film-forming coating compositions comprising metal particles; an alkaline earth metal compound comprising an alkaline earth metal oxide, an alkaline earth metal carbonate, an alkaline earth metal hydroxide, an alkaline earth metal sulfate, an alkaline earth metal monocarboxylate, an alkaline earth metal phosphate, or combinations thereof; and an organic film-forming binder. Also disclosed are methods of making curable film-forming coating compositions, methods of coating substrates, and coated substrates resulting therefrom.
    Type: Application
    Filed: December 20, 2018
    Publication date: November 25, 2021
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Michael A. Mayo, Nicole L. Rakers, Elizabeth A. Furar, John R. Schneider, Venkateshwarlu Kalsani, Troy J. Larimer, Kamlesh J. Sheth, James E. McCarthy, Victor F. Georgic, Mary Lyn Chong Lim, Arif Mubarok
  • Publication number: 20210292907
    Abstract: Disclosed is a method of treating a substrate, comprising contacting at least a portion of the substrate surface with a first composition comprising a lanthanide source and an oxidizing agent. A substrate obtainable by the methods also is disclosed.
    Type: Application
    Filed: August 14, 2017
    Publication date: September 23, 2021
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Steven J. Lemon, Gordon L. Post, Michael A. Mayo, Elizabeth S. Brown-Tseng, Mary Lyn Chong Lim, Justin J. Martin, Kevin T. Sylvester, Brian C. Okerberg
  • Publication number: 20210284864
    Abstract: 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: Application
    Filed: June 27, 2019
    Publication date: September 16, 2021
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
  • Publication number: 20210285121
    Abstract: Disclosed is a method for treating an anodized metal substrate, including contacting at least a portion of the substrate surface with a sealing composition having a pH of 9.5 to 12.5 and comprising a lithium metal cation. Also disclosed is a system that includes a sealing composition having a pH of 9.5 to 12.5 and comprising a lithium metal cation and an aqueous composition for contacting a surface of the metal substrate following contacting with the sealing composition. Also disclosed are substrates treated with the system and method.
    Type: Application
    Filed: August 14, 2017
    Publication date: September 16, 2021
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Anaïs Mauricette Christiana Flegny, Eric L. Morris, Gordon L. Post, John D. Suter, II, Michael A. Mayo
  • Patent number: 10947408
    Abstract: 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: Grant
    Filed: June 27, 2018
    Date of Patent: March 16, 2021
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
  • Publication number: 20210047737
    Abstract: Disclosed is a system for treating a substrate surface. The system includes a conditioner composition and a first pretreatment composition. The conditioner composition comprises a hydroxide source and the first pretreatment composition comprises a magnesium element, a halide element, and an oxidizing agent. Methods of treating a substrate surface using the conditioner composition and the first pretreatment composition also are disclosed. Also disclosed are substrates treated with the system and method.
    Type: Application
    Filed: February 8, 2019
    Publication date: February 18, 2021
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Gordon L. Post, Michael A. Mayo, Edward F. Rakiewicz, Kevin A. O'Neil
  • Publication number: 20200407864
    Abstract: 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: Application
    Filed: June 27, 2019
    Publication date: December 31, 2020
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
  • Publication number: 20200407587
    Abstract: 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: Application
    Filed: June 27, 2019
    Publication date: December 31, 2020
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum
  • Publication number: 20200002831
    Abstract: Methods for treating a substrate are disclosed. The substrate is deoxidized and then immersed in an electrodepositable pretreatment composition comprising a lanthanide series element and/or a Group IIIB metal, an oxidizing agent, and a metal-complexing agent to deposit a coating from the electrodepositable pretreatment composition onto a surface of the substrate. Optionally, the electrodepositable pretreatment composition may comprise a surfactant. A coating from a spontaneously depositable pretreatment composition comprising a Group IIIB and/or Group IVB metal may be deposited on the substrate surface prior to electrodepositing a coating from the electrodepositable pretreatment composition. Following electrodeposition of the electrodepositable pretreatment composition, the substrate optionally may be contacted with a sealing composition comprising phosphate and a Group IIIB and/or IVB metal. Substrates treated according to the methods also are disclosed.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Gordon L. Post, Michael A. Mayo, Edward F. Rakiewicz, Michael J. Pawlik
  • Publication number: 20200002566
    Abstract: 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: Application
    Filed: June 27, 2018
    Publication date: January 2, 2020
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Christopher A. Dacko, Michael A. Mayo, Gregory J. McCollum, Robin M. Peffer, Se Ryeon Lee
  • Publication number: 20200002832
    Abstract: Methods for treating a substrate are disclosed. The substrate is deoxidized and then immersed in an electrodepositable pretreatment composition comprising a lanthanide series element and/or a Group IIIB metal, an oxidizing agent, and a metal-complexing agent to deposit a coating from the electrodepositable pretreatment composition onto a surface of the substrate. Optionally, the electrodepositable pretreatment composition may comprise a surfactant. A coating from a spontaneously depositable pretreatment composition comprising a Group IIIB and/or Group IVB metal may be deposited on the substrate surface prior to electrodepositing a coating from the electrodepositable pretreatment composition. Following electrodeposition of the electrodepositable pretreatment composition, the substrate optionally may be contacted with a sealing composition comprising phosphate and a Group IIIB and/or IVB metal. Substrates treated according to the methods also are disclosed.
    Type: Application
    Filed: September 10, 2019
    Publication date: January 2, 2020
    Applicant: PRC-DeSoto International, Inc.
    Inventors: Gordon L. Post, Michael A. Mayo, Edward F. Rakiewicz, Michael J. Pawlik