Patents by Inventor Shuyu Duan

Shuyu Duan 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: 20240409713
    Abstract: A polyurethane composition, comprising (A) an isocyanate compound; (B) a polyol compound; and (C) an amine-based catalyst system comprising (C1) at least one amine-based catalyst and (C2) at least one deodorant represented by Formula (1) or Formula (2), is provided. The polyurethane foam prepared by using said polyurethane composition exhibits extremely low odor intensity and superior performance properties, e.g. foaming degree and mechanical strength. A method for preparing a polyurethane foam with reduced odor is also provided.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 12, 2024
    Inventors: Zhengming Tang, Jian Zou, Haiying Li, Ryota Iwasaki, Joey W. Storer, Jie Ji, Shuyu Duan, Canzheng Cai, Shaoguang Feng, Ping Zhang
  • Publication number: 20240309273
    Abstract: A surfactant composition includes 60 wt % or greater of a surfactant based on a total weight of the surfactant composition. 0.01 wt % to 1 wt % of an antioxidant, and 0.01 wt % to 5 wt % of a hydroxyl amine having structure (I) based on the total weight of the surfactant composition wherein R1, R2 and R3 of Structure (I) are independently selected from the group consisting of H, an alkanolamine, or a hydroxyl alkyl group with linear or branched carbon chain having from 1 to 8 carbons, and R4 of Structure (I) is selected from the group consisting of an alkanolamine, or a hydroxyl alkyl group with linear or branched carbon chain having from 1 to 8 carbons.
    Type: Application
    Filed: October 6, 2021
    Publication date: September 19, 2024
    Inventors: Qianyuan Shan, Cheng Shen, Jian Zou, Zhouhua Ji, Shuyu Duan, Hongying Wang
  • Publication number: 20230416181
    Abstract: An odor removal composition for oxygenated solvents comprising an alcohol amine.
    Type: Application
    Filed: December 18, 2020
    Publication date: December 28, 2023
    Inventors: Cheng Shen, Jian Zou, Shuyu Duan, Hongying Wang, Jing Ji
  • Publication number: 20220410123
    Abstract: Air filter media comprising at least one active bead layer comprises an antistatic agent and polyethylenimine coated polymeric beads that can provide better formaldehyde abatement properties than incumbent activated carbon filters and can be prepared by using existing processing facilities for manufacture of incumbent activated carbon filters.
    Type: Application
    Filed: December 23, 2019
    Publication date: December 29, 2022
    Applicant: Dow Global Technologies LLC
    Inventors: Jiguang Zhang, Jian Zou, Hongyu Chen, Xuemei Zhai, Shuyu Duan
  • Patent number: 11505716
    Abstract: An aqueous dispersion, an aqueous coating composition comprising the aqueous dispersion, and coatings made therefrom capable of slow release of fragrance.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: November 22, 2022
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Daoshu Lin, Jianming Xu, Shuyu Duan, Jian Zou, James C. Bohling
  • Publication number: 20200181442
    Abstract: An aqueous dispersion, an aqueous coating composition comprising the aqueous dispersion, and coatings made therefrom capable of slow release of fragrance.
    Type: Application
    Filed: July 11, 2017
    Publication date: June 11, 2020
    Inventors: Daoshu Lin, Jianming Xu, Shuyu Duan, Jian Zou, James C. Bohling