Patents by Inventor Xuemei Zhai

Xuemei Zhai 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: 11780998
    Abstract: The present disclosure relates to a thermoplastic polyolefin composition comprising: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and an amino alcohol compound having the Formula (II) defined herein. The present disclosure also relates to an article made from the thermoplastic polyolefin composition.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: October 10, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Yonghua Gong, Jian Zou, Xiuhan Yang, Xuemei Zhai
  • Publication number: 20230040947
    Abstract: A method of making a formulation may include a step of forming a mixture comprising: a hydrotrope, a surfactant, a water-immiscible solvent, an isocyanate monomer, a salt, fosthiazate and water. Further, a step of adding an amine to the mixture to polymerizing the isocyanate monomer may be performed.
    Type: Application
    Filed: March 27, 2020
    Publication date: February 9, 2023
    Inventors: Shiling Zhang, Ling Zhong, Xuedong Gao, Hua Ren, Cuilan Chang, Xuemei Zhai
  • 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
  • Publication number: 20220389295
    Abstract: Described is a curable composition, and particularly a two-component composition comprising a silane modified polymer; an epoxy resin terminated with epoxy terminal group; wherein the composition further comprises a hardening agent and a compatibilizer which has at least one silane group and at least one epoxy terminal group. The curable composition exhibits enhanced adhesion strength and good elongation at break. A method for applying the curable composition on the surface of a substrate is also provided.
    Type: Application
    Filed: November 15, 2019
    Publication date: December 8, 2022
    Inventors: Zhengming Tang, Yongchun Chen, Xiuqing Xu, Hongyu Chen, Xuemei Zhai, Ke Shi, Nan Wang, Qingwei Meng
  • Patent number: 11485886
    Abstract: A formaldehyde free adhesive composition and a plywood obtained from the adhesive composition is provided, and the plywood has a balanced performance, such as high adhesion strength, sufficient pot-life, and good workability.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: November 1, 2022
    Assignees: Dow Global Technologies LLC, Dow Silicones Corporation
    Inventors: Shi Pan, Minbiao Hu, Tong Sun, Xuemei Zhai, Shaoguang Feng, Yan Li, Jingui Jiang
  • Publication number: 20220213363
    Abstract: A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an polyether amine-epoxy silane adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the polyether amine-epoxy silane adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.
    Type: Application
    Filed: May 15, 2019
    Publication date: July 7, 2022
    Inventors: Qingwei Meng, Yu Chen, Shaoguang Feng, Huan Chen, Xuemei Zhai
  • Publication number: 20220177753
    Abstract: A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an amine-epoxy adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the amine-epoxy adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.
    Type: Application
    Filed: May 15, 2019
    Publication date: June 9, 2022
    Inventors: Yu Chen, Shaoguang Feng, Qingwei Meng, Yanli Feng, Huan Chen, Xuemei Zhai
  • Publication number: 20220154055
    Abstract: A two-component adhesive composition is provided. The two-component adhesive composition comprises an isocyanate component, an isocyanate-reactive component and an epoxy-aromatic diisocyanate adduct, and can achieve superior adhesion strength between the adhesive and a substrate like metal alloy substrate. A laminated article prepared with said composition, a method for preparing the article and the use of the epoxy-aromatic diisocyanate adduct as adhesion promoter in a two-component polyurethane adhesive composition are also provided.
    Type: Application
    Filed: May 15, 2019
    Publication date: May 19, 2022
    Inventors: Qingwei Meng, Yu Chen, Shaoguang Feng, Jing Liu, Huan Chen, Xuemei Zhai
  • Publication number: 20220048278
    Abstract: A formaldehyde free adhesive composition and a plywood obtained by the adhesive composition is provided, and the plywood retains desired performances, such as water resistance and workability.
    Type: Application
    Filed: March 7, 2019
    Publication date: February 17, 2022
    Inventors: Minbiao Hu, Tong Sun, Jingui Jiang, Shi Pan, Shaoguang Feng, Xuemei Zhai
  • Publication number: 20220025164
    Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and an inorganic porous material. The present disclosure also relates to an article made from the thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 27, 2022
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Xiuhan Yang, Jian Zou, Ming Ming, Yonghua Gong, Xuemei Zhai
  • Publication number: 20220017795
    Abstract: A formaldehyde free adhesive composition and a plywood obtained from the adhesive composition is provided, and the plywood has a balanced performance, such as high adhesion strength, sufficient pot-life, and good workability.
    Type: Application
    Filed: March 7, 2019
    Publication date: January 20, 2022
    Inventors: Shi Pan, Minbiao Hu, Tong Sun, Xuemei Zhai, Shaoguang Feng, Yan Li, Jingui Jiang
  • Publication number: 20220010111
    Abstract: The present disclosure relates to a thermoplastic polyolefin composition comprising: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and an amino alcohol compound having the Formula (II) defined herein. The present disclosure also relates to an article made from the thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 13, 2022
    Inventors: Haiying Li, Shaoguang Feng, Andong Liu, Yonghua Gong, Jian Zou, Xiuhan Yang, Xuemei Zhai
  • Publication number: 20220010112
    Abstract: A thermoplastic polyolefin composition comprises: (A) a polypropylene polymer; (B) an elastomer component; (C) an additive component; and (D) a scavenger component comprising a polyacetoacetate compound having the Formula (I) defined herein and calcium carbonate. And an article is made from the thermoplastic polyolefin composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: January 13, 2022
    Inventors: Haiying Li, Andong Liu, Shaoguang Feng, Xiuhan Yang, Jian Zou, Ming Ming, Yonghua Gong, Xuemei Zhai
  • Publication number: 20210229033
    Abstract: Polyethylenimine coated polymeric beads comprising a polymer that comprises, based on the weight of the polymer, from 25% to 75% by weight of structural units of an acetoacetoxy or acetoacetamide functional monomer, and from 25% to 75% by weight of structural units of a polyvinyl monomer; the polyethylenimine having a number average molecular weight of 300 g/mol or more; the polyethylenimine coated polymeric beads having a specific surface area in the range of from 20 to 400 m2/g; a process of preparing the polyethylenimine coated polymeric beads; a gas filter device comprising the polyethylenimine coated polymeric beads as a filter medium; and a method of removing aldehydes from air containing aldehydes, comprising contacting the air with the polyethylenimine coated polymeric beads.
    Type: Application
    Filed: July 4, 2018
    Publication date: July 29, 2021
    Applicant: Dow Global Technologies LLC
    Inventors: Ji Guang Zhang, Jian Zou, Hongyu Chen, Shaoguang Feng, Wenbin Yao, Haiying Li, Xuemei Zhai