Patents by Inventor Chu Ran Zheng

Chu Ran Zheng 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).

  • Photocurable adhesion-promoting compositions and methods of use
    Patent number: 11624007
    Abstract: Photocurable adhesion-promoting compositions containing organic titanates and/or organic zirconates and partially reacted alkoxysilanes and the use of the photocurable adhesion-promoting compositions to provide adhesion between metal substrates and an overlying radiation-cured sealant are disclosed.
    Type: Grant
    Filed: January 29, 2020
    Date of Patent: April 11, 2023
    Assignee: PRC-DESOTO INTERNATIONAL, INC.
    Inventors: JianCheng Liu, Chu Ran Zheng, Millie Chang, Nagarajan Srivatsan
  • PHOTOCURABLE ADHESION-PROMOTING COMPOSITIONS AND METHODS OF USE
    Publication number: 20230059160
    Abstract: Photocurable adhesion-promoting compositions containing organic titanates and/or organic zirconates and partially reacted alkoxysilanes and the use of the photocurable adhesion-promoting compositions to provide adhesion between metal substrates and an overlying radiation-cured sealant are disclosed.
    Type: Application
    Filed: January 29, 2021
    Publication date: February 23, 2023
    Applicant: PRC-Desoto International, Inc.
    Inventors: Jiancheng Liu, Chu Ran Zheng, Millie Chang, Nagarajan Srivatsan
  • FREE RADICAL POLYMERIZABLE ADHESION-PROMOTING INTERLAYER COMPOSITIONS AND METHODS OF USE
    Publication number: 20210402748
    Abstract: Adhesion-promoting compositions and the use of the adhesion-promoting compositions to provide adhesion-promoting interlayers to enhance adhesion between adjoining layers of sulfur-containing sealants are disclosed. In repair applications, the adhesion-promoting compositions can enhance the adhesion of an overlying radiation-curable sulfur-containing sealant to a damaged or aged sulfur-containing sealant.
    Type: Application
    Filed: September 8, 2021
    Publication date: December 30, 2021
    Inventors: JianCheng Liu, Chu Ran Zheng, Kevin Cheng, Bruce Virnelson
  • Free radical polymerizable adhesion-promoting interlayer compositions and methods of use
    Patent number: 11173692
    Abstract: Adhesion-promoting compositions and the use of the adhesion-promoting compositions to provide adhesion-promoting interlayers to enhance adhesion between adjoining layers of sulfur-containing sealants are disclosed. In repair applications, the adhesion-promoting compositions can enhance the adhesion of an overlying radiation-curable sulfur-containing sealant to a damaged or aged sulfur-containing sealant.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: November 16, 2021
    Assignee: PRC-DeSoto International, Inc.
    Inventors: JianCheng Liu, Chu Ran Zheng, Kevin Cheng, Bruce Virnelson
  • PHOTOCURABLE ADHESION-PROMOTING COMPOSITIONS AND METHODS OF USE
    Publication number: 20210230457
    Abstract: Photocurable adhesion-promoting compositions containing organic titanates and/or organic zirconates and partially reacted alkoxysilanes and the use of the photocurable adhesion-promoting compositions to provide adhesion between metal substrates and an overlying radiation-cured sealant are disclosed.
    Type: Application
    Filed: January 29, 2020
    Publication date: July 29, 2021
    Applicant: PRC-DeSoto International, Inc.
    Inventors: JianCheng Liu, Chu Ran Zheng, Millie Chang, Nagarajan Srivatsan
  • PARTIALLY REACTED SILANE PRIMER COMPOSITIONS
    Publication number: 20210198496
    Abstract: Partially reacted alkoxysilane compositions, the use of partially reacted alkoxysilane compositions as adhesion-promoting primer coatings, and methods of using the partially reacted alkoxysilane compositions and coatings are disclosed.
    Type: Application
    Filed: March 15, 2021
    Publication date: July 1, 2021
    Inventors: SRIKANT PATHAK, CHU RAN ZHENG, BRUCE VIRNELSON
  • FREE RADICAL POLYMERIZABLE ADHESION-PROMOTING INTERLAYER COMPOSITIONS AND METHODS OF USE
    Publication number: 20210187922
    Abstract: Adhesion-promoting compositions and the use of the adhesion-promoting compositions to provide adhesion-promoting interlayers to enhance adhesion between adjoining layers of sulfur-containing sealants are disclosed. In repair applications, the adhesion-promoting compositions can enhance the adhesion of an overlying radiation-curable sulfur-containing sealant to a damaged or aged sulfur-containing sealant.
    Type: Application
    Filed: December 19, 2019
    Publication date: June 24, 2021
    Applicant: PRC-DeSoto International, Inc.
    Inventors: JianCheng Liu, Chu Ran Zheng, Kevin Cheng, Bruce Virnelson
  • PARTIALLY REACTED SILANE PRIMER COMPOSITIONS
    Publication number: 20160257819
    Abstract: Partially reacted alkoxysilane compositions, the use of partially reacted alkoxysilane compositions as adhesion-promoting primer coatings, and methods of using the partially reacted alkoxysilane compositions and coatings are disclosed.
    Type: Application
    Filed: March 6, 2015
    Publication date: September 8, 2016
    Inventors: Srikant Pathak, Chu Ran Zheng, Bruce Virnelson