Patents by Inventor Hanzhen Bao

Hanzhen Bao 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: 20220025192
    Abstract: A package with a coating composition deposited on at least a portion thereof is disclosed. The coating composition comprises: (a) a latex polymer comprising the emulsion polymerization product of (i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer polymerized in the presence of (ii) a surfactant that is polymerizable with the at least one ethylenically unsaturated monomer. Also disclosed is a method for applying the coating composition to the package.
    Type: Application
    Filed: July 2, 2021
    Publication date: January 27, 2022
    Inventors: Debra L. Singer, Dary Duhamel, Kam Lun Lun, Qin Li, Hanzhen Bao, John M. Dudik, Edward R. Millero, JR., William H. Retsch, JR.
  • Patent number: 11091656
    Abstract: A package with a coating composition deposited on at least a portion thereof is disclosed. The coating composition comprises: (a) a latex polymer comprising the emulsion polymerization product of (i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer polymerized in the presence of (ii) a surfactant that is polymerizable with the at least one ethylenically unsaturated monomer. Also disclosed is a method for applying the coating composition to the package.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: August 17, 2021
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Debra L. Singer, Dary Duhamel, Kam Lun Lock, Qin Li, Hanzhen Bao, John M. Dudik, Edward R. Millero, Jr., William H. Retsch, Jr.
  • Patent number: 10752799
    Abstract: A self-curing coating composition comprising a polymer containing hydroxyl groups, carboxylic acid groups and acid groups comprising sulfonic acid groups and/or phosphoric acid groups is disclosed. Methods for applying the coating to a substrate and packages coated with the compositions are also disclosed.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: August 25, 2020
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Hanzhen Bao, Youssef Moussa, Katlyn Michelle Fix
  • Publication number: 20190292398
    Abstract: A package with a curable coating composition deposited on at least a portion thereof is disclosed. The coating composition comprises: (a) a latex polymer having reactive functional groups comprising the emulsion polymerization product of (i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer polymerized in the presence of (ii) a polar polyolefin; (b) a curing agent that does not generate formaldehyde on curing. Also disclosed is a method for applying the coating composition to the package.
    Type: Application
    Filed: May 16, 2017
    Publication date: September 26, 2019
    Applicant: PPG INDUSTRIES OHIO, INC.
    Inventors: Letian Gao, Qin Li, Hanzhen Bao
  • Publication number: 20190241761
    Abstract: A self-curing coating composition comprising a polymer containing hydroxyl groups, carboxylic acid groups and acid groups comprising sulfonic acid groups and/or phosphoric acid groups is disclosed. Methods for applying the coating to a substrate and packages coated with the compositions are also disclosed.
    Type: Application
    Filed: February 7, 2018
    Publication date: August 8, 2019
    Inventors: Hanzhen Bao, Youssef Moussa, Katlyn Michelle Fix
  • Patent number: 10233349
    Abstract: Acrylic aqueous dispersions useful in coating compositions for coating food and beverage containers are disclosed. The aqueous dispersion is the reaction product of: (a) a hydrophobic vinyl addition polymer containing pendant or terminal ethylenically unsaturated groups, (b) a mixture of vinyl monomers including a vinyl monomer containing carboxylic acid groups; the reaction product containing active hydrogen groups and being at least partially neutralized with a base and dispersed in aqueous medium; the aqueous dispersion being substantially free of bisphenol A and derivatives thereof.
    Type: Grant
    Filed: February 4, 2014
    Date of Patent: March 19, 2019
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Hanzhen Bao, Youssef Moussa
  • Publication number: 20180171169
    Abstract: A package with a coating composition deposited on at least a portion thereof is disclosed. The coating composition comprises: (a) a latex polymer comprising the emulsion polymerization product of (i) an emulsion monomer component comprising at least one ethylenically unsaturated monomer polymerized in the presence of (ii) a surfactant that is polymerizable with the at least one ethylenically unsaturated monomer. Also disclosed is a method for applying the coating composition to the package.
    Type: Application
    Filed: May 26, 2016
    Publication date: June 21, 2018
    Inventors: Debra L. Singer, Dary Duhamel, Kam Lun Lock, Qin Li, Hanzhen Bao, John M. Dudik, Edward R. Millero, Jr., William H. Retsch, Jr.
  • Publication number: 20180009999
    Abstract: Electrodeposition of coil metal sheet stock using an aqueous dispersion of a poly(urethane-carbonate) is disclosed. The coated sheet stock can be used in forming coated metal cans.
    Type: Application
    Filed: September 21, 2017
    Publication date: January 11, 2018
    Inventors: Hanzhen Bao, Youssef Moussa, Alton B. Wilson
  • Publication number: 20170022622
    Abstract: Electrodeposition of coil metal sheet stock using an aqueous dispersion of a poly(urethane-carbonate) is disclosed. The coated sheet stock can be used in forming coated metal cans.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 26, 2017
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Hanzhen Bao, Youssef Moussa, Alton B. Wilson
  • Publication number: 20150218407
    Abstract: Acrylic aqueous dispersions useful in coating compositions for coating food and beverage containers are disclosed. The aqueous dispersion is the reaction product of: (a) a hydrophobic vinyl addition polymer containing pendant or terminal ethylenically unsaturated groups, (b) a mixture of vinyl monomers including a vinyl monomer containing carboxylic acid groups; the reaction product containing active hydrogen groups and being at least partially neutralized with a base and dispersed in aqueous medium; the aqueous dispersion being substantially free of bisphenol A and derivatives thereof.
    Type: Application
    Filed: February 4, 2014
    Publication date: August 6, 2015
    Applicant: PPG Industries Ohio, Inc.
    Inventors: Hanzhen Bao, Youssef Moussa