Patents by Inventor Zhi Juan Gong

Zhi Juan Gong 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).

  • Patent number: 11970629
    Abstract: An aqueous dispersion of multistage polymer particles comprising a specific oligomer prepared from polymerization of monomers comprising an alkoxylated (meth)acrylate providing aqueous coating compositions with both good flow-and-leveling property and extended open time.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: April 30, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Yan Li, Tao Wang, Junyu Chen, Tao Wang, James C. Bohling, Zhi Juan Gong, Yuehan Hu
  • Patent number: 11939486
    Abstract: An aqueous dispersion of polymeric particles comprising an emulsion polymer and a polyalkylene oxide with a weight average molecular weight in the range of 450 to 1,500 g/mole, and an aqueous coating composition with low VOCs comprising the aqueous dispersion and providing coatings made therefrom with improved water whitening resistance and hardness.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: March 26, 2024
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Yan Li, Junyu Chen, Cheng Shen, James C. Bohling, Zhi Juan Gong, Tao Wang
  • Publication number: 20230021323
    Abstract: A multistage emulsion polymer comprising a first polymer and a second polymer comprising structural units of a nitrogen-containing heterocyclic monomer at specific weight ratios of the first polymer to the second polymer and a Tg difference between the first and second polymers; the multistage emulsion polymer suitable for use in coating applications to provide coating films with improved dirt pick-up resistance without compromising film formation properties.
    Type: Application
    Filed: December 25, 2019
    Publication date: January 26, 2023
    Inventors: Han Liu, Yuehan Hu, Zhi Juan Gong, Ling Li, Xiangting Dong, Hengtong Wei
  • Publication number: 20220275208
    Abstract: An aqueous dispersion of polymeric particles comprising a specific emulsion polymer and a hydroxyl-terminated polysiloxane, and an aqueous coating composition comprising the aqueous dispersion providing coatings made therefrom with improved water resistance, anti-corrosion, and water repellency properties.
    Type: Application
    Filed: September 9, 2019
    Publication date: September 1, 2022
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Yuehan Hu, Yan Li, Zhi Juan Gong, James C. Bohling, Ling Li
  • Patent number: 11384165
    Abstract: A stable aqueous dispersion of multi-stage polymeric particles comprising a polymer and an oligomer, and an aqueous freeze-thaw stable coating composition comprising the aqueous dispersion providing coatings made therefrom with acceptable scrub resistance.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: July 12, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Han Liu, Dan Liu, Qingwei Zhang, Zhi Juan Gong, Xiangting Dong, Ling Li, Han Lv
  • Publication number: 20220213322
    Abstract: An aqueous dispersion comprising a multistage polymer comprising a first polymer and a second polymer that comprises structural units of an ethylenically unsaturated siloxane monomer, the multistage polymer comprising, by weight based on the weight of the multistage polymer, 4.5% or more of structural units of the ethylenically unsaturated siloxane monomer, and the coagulum content of the aqueous dispersion is less than 2,000 ppm after filtration through a 44 micron sieve.
    Type: Application
    Filed: June 13, 2019
    Publication date: July 7, 2022
    Inventors: Xiangting Dong, Ling Li, Zhihua Liu, Hui Liu, Wei Cui, Baoqing Zheng, Zhi Juan Gong, Yan Wu, Changkun Piao, Jia Tang, Dong Yun
  • Publication number: 20210332259
    Abstract: An aqueous dispersion of polymeric particles comprising an emulsion polymer and a polyalkylene oxide with a weight average molecular weight in the range of 450 to 1,500 g/mole, and an aqueous coating composition with low VOCs comprising the aqueous dispersion and providing coatings made therefrom with improved water whitening resistance and hardness.
    Type: Application
    Filed: October 16, 2018
    Publication date: October 28, 2021
    Inventors: Yan Li, Junyu Chen, Cheng Shen, James C. Bohling, Zhi Juan Gong, Tao Wang
  • Publication number: 20210253893
    Abstract: An aqueous dispersion of multistage polymer particles comprising a specific oligomer prepared from polymerization of monomers comprising an alkoxylated (meth)acrylate providing aqueous coating compositions with both good flow-and-leveling property and extended open time.
    Type: Application
    Filed: July 10, 2018
    Publication date: August 19, 2021
    Inventors: Yan Li, Tao Wang, Junyu Chen, Tao Wang, James C. Bohling, Zhi Juan Gong, Yuehan Hu
  • Publication number: 20210246232
    Abstract: A stable aqueous dispersion of multi-stage polymeric particles comprising a polymer and an oligomer, and an aqueous freeze-thaw stable coating composition comprising the aqueous dispersion providing coatings made therefrom with acceptable scrub resistance.
    Type: Application
    Filed: July 10, 2018
    Publication date: August 12, 2021
    Inventors: Han Liu, Dan Liu, Qingwei Zhang, Zhi Juan Gong, Xiangting Dong, Ling Li, Han Lv
  • Patent number: 10851186
    Abstract: An aqueous polymer dispersion, a process of preparing the aqueous polymer dispersion, and an aqueous coating composition comprising the aqueous polymer dispersion and providing coatings with improved water repellency and/or improved hydrophobic stain resistance without compromising hydrophilic stain resistance.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: December 1, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Yan Li, Junyu Chen, Tao Wang, Zhi Juan Gong, James C. Bohling, Cheng Shen
  • Publication number: 20200031956
    Abstract: An aqueous polymer dispersion, a process of preparing the aqueous polymer dispersion, and an aqueous coating composition comprising the aqueous polymer dispersion and providing coatings with improved water repellency and/or improved hydrophobic stain resistance without compromising hydrophilic stain resistance.
    Type: Application
    Filed: April 24, 2017
    Publication date: January 30, 2020
    Inventors: Yan Li, Junyu Chen, Tao Wang, Zhi Juan Gong, James C. Bohling, Cheng Shen