Patents by Inventor Youjun Wu

Youjun Wu 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: 11466155
    Abstract: A filling composition comprises (A) a mineral oil having a kinematic viscosity from 80 cSt to 100 cSt at 40° C.; (B) a styrene-ethylene/propylene diblock copolymer; and (C1) a propylene/ethylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000 or (C2) an ethylene/propylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000. The filling composition is used as a filling composition in a buffer tube.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: October 11, 2022
    Assignee: Dow Global Technologies LLC
    Inventors: Gangwei Sun, XianMin Xu, Mohamed Esseghir, Peng Gao, Youjun Wu, Lingfeng Yu
  • Publication number: 20210155802
    Abstract: A filling composition comprises (A) a mineral oil having a kinematic viscosity from 80 cSt to 100 cSt at 40° C.; (B) a styrene-ethylene/propylene diblock copolymer; and (C1) a propylene/ethylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000 or (C2) an ethylene/propylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000. The filling composition is used as a filling composition in a buffer tube.
    Type: Application
    Filed: June 30, 2017
    Publication date: May 27, 2021
    Inventors: Gangwei Sun, XianMin Xu, Mohamed Esseghir, Peng Gao, Youjun Wu, Lingfeng Yu
  • Patent number: 10726976
    Abstract: Semiconductive shield layers for power cable constructions are made from a composition that has: (A) A nonpolar, ethylene-based polymer having a density of greater than (>) 0.90 glee and a melt index of >20 g/10 min at 190° C./2.16 Kg; (B) A polar polymer consisting of ethylene and an unsaturated alkyl ester having 4 to 20 carbon atoms; (C) Acetylene carbon black; and (D) A curing agent; with the provisos that (1) the composition has a phase separated structure, and (2) the weight ratio of nonpolar polymer to polar polymer is from 0.25 to 4.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: July 28, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Xiaomei Song, Hongyu Chen, Yabin Sun, Youjun Wu, Wei Li, Xiaoxiong Miao
  • Patent number: 10590271
    Abstract: The present invention further provides a binder composition comprising a first binder and a second binder. The first binder comprises, by dry weight based on total dry weight of the binder composition, from 1% to 98% polymer particles, from 0.3% to 20% an anionic polyelectrolyte, and from 0.1% to 20% a colorant; and the second binder comprises, by dry weight based on total dry weight of the binder composition, from 0.5% to 70% a clay, and from 0.03% to 10% a dispersant. It also provides a paint formulation comprising the binder composition.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: March 17, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Shiling Zhang, Lukasz Zukowski, Yujiang Wang, Dong Yun, Ling Li, Youjun Wu
  • Patent number: 10570272
    Abstract: The present invention relates to an aqueous polymer dispersion composition comprising a stable aqueous dispersion of single-phase thermoplastic polymer particles imbibed with a thermosettable compound having at least two oxirane groups. The thermoplastic polymer particles have a sufficient concentration of anti-agglomerating functional groups to stabilize the latex against agglomeration, and the thermoplastic polymer particles being a copolymerization product of a monomer mixture comprising, based on the total dry weight of the monomer mixture (a) 35 wt. % to 71 wt. % of ethyl acrylate, (b) 30 wt. % to 60 wt. % of methyl methacrylate, and (c) 5 wt. % to 10 wt. % methylol acrylamide.
    Type: Grant
    Filed: July 4, 2014
    Date of Patent: February 25, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Jingui Jiang, Haipeng Xu, Wanxia Zhu, Youjun Wu
  • Publication number: 20190156973
    Abstract: Semiconductive shield layers for power cable constructions are made from a composition comprising: (A) A nonpolar, ethylene-based polymer having a density of greater than (>) 0.90 g/cc and a melt index of >20 g/10 min at 190° C./2.16 Kg; (B) A polar polymer consisting of ethylene and an unsaturated alkyl ester having 4 to 20 carbon atoms; (C) Acetylene carbon black; and (D) A curing agent; with the provisos that (1) the composition has a phase separated structure, and (2) the weight ratio of nonpolar polymer to polar polymer is from 0.25 to 4.
    Type: Application
    Filed: June 30, 2016
    Publication date: May 23, 2019
    Inventors: Xiaomei Song, Hongyu Chen, Yabin Sun, Youjun Wu, Wei Li, Xiaoxiong Miao
  • Publication number: 20180044516
    Abstract: The present invention further provides a binder composition comprising a first binder and a second binder. The first binder comprises, by dry weight based on total dry weight of the binder composition, from 1% to 98% polymer particles, from 0.3% to 20% an anionic polyelectrolyte, and from 0.1% to 20% a colorant; and the second binder comprises, by dry weight based on total dry weight of the binder composition, from 0.5% to 70% a clay, and from 0.03% to 10% a dispersant. It also provides a paint formulation comprising the binder composition.
    Type: Application
    Filed: March 31, 2015
    Publication date: February 15, 2018
    Inventors: Shiling Zhang, Lukasz Zukowski, Yujiang Wang, Dong Yun, Ling Li, Youjun Wu
  • Publication number: 20170158843
    Abstract: The present invention relates to an aqueous polymer dispersion composition comprising a stable aqueous dispersion of single-phase thermoplastic polymer particles imbibed with a thermosettable compound having at least two oxirane groups. The thermoplastic polymer particles have a sufficient concentration of anti-agglomerating functional groups to stabilize the latex against agglomeration, and the thermoplastic polymer particles being a copolymerization product of a monomer mixture comprising, based on the total dry weight of the monomer mixture (a) 35 wt. % to 71 wt. % of ethyl acrylate, (b) 30 wt. % to 60 wt. % of methyl methacrylate, and (c) 5 wt. % to 10 wt. % methylol acrylamide.
    Type: Application
    Filed: July 4, 2014
    Publication date: June 8, 2017
    Inventors: Jingui Jiang, Haipeng Xu, Wanxia Zhu, Youjun Wu