Patents by Inventor Yunfei Lan

Yunfei Lan 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: 20230064051
    Abstract: The present invention provides an aqueous polymer dispersion and an aqueous coating composition comprising such aqueous polymer dispersion and providing coatings with improved early water blister resistance as well as satisfactory water streaking resistance and good durability properties.
    Type: Application
    Filed: October 27, 2022
    Publication date: March 2, 2023
    Inventors: Daoshu LIN, Jianming XU, Hui LIU, Yunfei LAN
  • Patent number: 11578218
    Abstract: A multicolor dispersion comprising a protective composition and two or more colorant dispersions, wherein the protective composition comprises (1) an aqueous dispersion of polymer particles comprising from 89% to 99.45% by weight, based on the total dry weight of the protective composition, of polymer particles, wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 2% by weight, based on the total dry weight of the polymer, of an anionic stabilizer monomer represented by the following Formula I, wherein R1 is a linkage group between R2 and a vinyl group, R2 is ethylene or propene or butylene, n is from 0 to 50, M is a counter salt of potassium, sodium, ammonium or lithium; wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 5% by weight, based on the total dry weight of the polymer, of a non-reactive anionic surfactant having an ethylene oxide chain length of less than 11; and (2) from 0.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: February 14, 2023
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Hui Liu, Jianming Xu, Yujiang Wang, Yunfei Lan
  • Publication number: 20230015834
    Abstract: A storage stable aqueous coating composition comprising a novel combination of an anionic acrylic polymer with a small amount of a specific acetoacetamide functional compound and providing coating films made therefrom with formaldehyde abatement property, yellowing resistance, and scrub resistance.
    Type: Application
    Filed: December 26, 2019
    Publication date: January 19, 2023
    Inventors: Jianming Xu, Wei Cui, Yunfei Lan, Cuilan Chang
  • Publication number: 20210324114
    Abstract: The present invention provides an aqueous dispersion as a biobased binder and an aqueous coating composition comprising such aqueous dispersion and showing balanced stain resistance, freeze-thaw stability, and anti-clogging properties.
    Type: Application
    Filed: October 24, 2018
    Publication date: October 21, 2021
    Inventors: Jianming Xu, Wei Cui, Yunfei Lan, Qingwei Zhang, Han Lv
  • Publication number: 20210206980
    Abstract: A multicolor dispersion comprising a protective composition and two or more colorant dispersions, wherein the protective composition comprises (1) an aqueous dispersion of polymer particles comprising from 89% to 99.45% by weight, based on the total dry weight of the protective composition, of polymer particles, wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 2% by weight, based on the total dry weight of the polymer, of an anionic stabilizer monomer represented by the following Formula I, wherein R1 is a linkage group between R2 and a vinyl group, R2 is ethylene or propene or butylene, n is from 0 to 50, M is a counter salt of potassium, sodium, ammonium or lithium; wherein said aqueous dispersion of polymer particles further comprises from 0.33% to 5% by weight, based on the total dry weight of the polymer, of a non-reactive anionic surfactant having an ethylene oxide chain length of less than 11; and (2) from 0.
    Type: Application
    Filed: February 5, 2016
    Publication date: July 8, 2021
    Inventors: Hui Liu, Jianming Xu, Yujiang Wang, Yunfei Lan
  • Publication number: 20200377627
    Abstract: The present invention provides an aqueous polymer dispersion and an aqueous coating composition comprising such aqueous polymer dispersion and providing coatings with improved early water blister resistance as well as satisfactory water streaking resistance and good durability properties.
    Type: Application
    Filed: July 31, 2017
    Publication date: December 3, 2020
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Daoshu LIN, Jianming XU, Hui LIU, Yunfei LAN
  • Patent number: 10759947
    Abstract: The present invention provides a novel aqueous coating composition comprising a multi-stage aqueous emulsion polymer, an anionic colloidal silica, and a thickener. This novel aqueous coating composition provides low gloss, while maintaining good physical stability and transparency.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: September 1, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Caifeng Wang, Jianming Xu, Yujiang Wang, Yunfei Lan
  • Publication number: 20190169442
    Abstract: The present invention provides a novel aqueous coating composition comprising a multi-stage aqueous emulsion polymer, an anionic colloidal silica, and a thickener. This novel aqueous coating composition provides low gloss, while maintaining good physical stability and transparency.
    Type: Application
    Filed: December 14, 2015
    Publication date: June 6, 2019
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Caifeng Wang, Jianming Xu, Yujiang Wang, Yunfei Lan