Patents by Inventor Qingwei Zhang

Qingwei Zhang 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: 20210269399
    Abstract: Provided herein are compounds, compositions, and methods useful for modulating the integrated stress response (ISR) and for treating related diseases; disorders and conditions.
    Type: Application
    Filed: September 30, 2020
    Publication date: September 2, 2021
    Inventors: Carmela Sidrauski, Marina Pliushchev, Jennifer M. Frost, Lawrence A. Black, Xiangdong Xu, Ramzi Farah Sweis, Lei Shi, Qingwei Zhang, Yunsong Tong, Charles W. Hutchins, SeungWon Chung, Michael J. Dart
  • 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: 10982030
    Abstract: A method of producing an aqueous polymer composition and a method of reducing yellowing of an aqueous polymer composition and a coating made therefrom.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: April 20, 2021
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Xiangting Dong, Han Liu, Junyu Chen, Qingwei Zhang, Ling Li, Alvin M. Maurice, Jintao Liu
  • Publication number: 20200362079
    Abstract: An aqueous polymer composition comprising an acetoacetoxy functional polymer, a metal pyrithione compound, and TEMPO and/or its derivative, showing less yellowing.
    Type: Application
    Filed: September 26, 2017
    Publication date: November 19, 2020
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company, Rohm and Haas Company
    Inventors: Han Liu, Junyu Chen, Yaguang Zhao, Xiangting Dong, Qingwei Zhang, Ling Li, Yan Luo, Jintao Liu
  • Patent number: 10800927
    Abstract: The present invention provides an aqueous composition for coating substrates comprising: one or more emulsion copolymer, the emulsion copolymer being a copolymerization product of a monomer mixture comprising a monomer of formula I, wherein R1 is hydrogen or methyl, X is a divalent organic alkylene oxide group, n is an integer ranging from 1 to 50 and R2 is hydrogen or an aliphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms, and a phosphate surfactant. When incorporated into a coating composition, the coating composition show both improved stain-resistance properties and anti-clogging properties.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: October 13, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Zhen Qian, Xuzhi Zhu, Jianming Xu, Qingwei Zhang, Wei Cui, Jintao Liu
  • Publication number: 20200262954
    Abstract: A method of producing an aqueous polymer composition and a method of reducing yellowing of an aqueous polymer composition and a coating made therefrom.
    Type: Application
    Filed: December 22, 2016
    Publication date: August 20, 2020
    Inventors: Xiangting Dong, Han Liu, Junyu Chen, Qingwei Zhang, Ling Li, Alvin M. Maurice, Jintao Liu
  • Publication number: 20200172745
    Abstract: An aqueous dispersion having reduced VOCs and/or odor and an aqueous coating composition comprising the aqueous dispersion.
    Type: Application
    Filed: July 11, 2017
    Publication date: June 4, 2020
    Inventors: Daoshu Lin, Jianming Xu, Qingwei Zhang, James C. Bohling, Paul Doll, Jian Zou, Liu Yang, Gongwei Pu
  • Publication number: 20200105913
    Abstract: The methods of gate extraction and injection FET and channel carrier quantity control related to microelectronics technology and semiconductor technology. The gate extraction and injection FET of the invention is provided with a source, a drain, a gate and a channel semiconductor area on the insulating layer. A gate dielectric layer is arranged between the gate and the channel semiconductor region, wherein, the gate dielectric layer is a thin film material with resistance values of 103-1016? and the channel semiconductor region is a two-dimensional semiconductor or a three-dimensional semiconductor with two-dimensional semiconductor material characteristics (1-10 cellular crystal layers). The advantages of the invention are that the power consumptions of the devices and the integrated circuits can be greatly reduced by a few orders of magnitude.
    Type: Application
    Filed: December 2, 2019
    Publication date: April 2, 2020
    Applicant: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
    Inventors: Yongbo LIAO, Ping LI, Rongzhou ZENG, Qingwei ZHANG, Xia LI
  • Publication number: 20200055704
    Abstract: The present application relates to the technical field of lifting equipment, and provides a traction machine and a lifting equipment. The traction machine includes traction pulleys, traction ropes driven by the traction pulleys and fixed pulleys for changing directions of the traction ropes. The fixed pulley is provided with a sensor sensing member rotating with the fixed pulley, a traction machine sensor is arranged beside the fixed pulley; the traction machine sensor is configured to detect a rotation speed of the sensor sensing member, and send the rotation speed to a controller of the traction machine; the controller controls a rotation of the traction pulley according to detected data of the traction machine sensor. Since this kind of traction machine is provided with the sensor sensing member and the traction machine sensor, it is capable of detecting whether the traction machine has an abnormal operation, and stopping the traction machine immediately in an abnormal state.
    Type: Application
    Filed: July 16, 2019
    Publication date: February 20, 2020
    Inventors: Zizhao LIU, Qingwei ZHANG, Guozhu ZHANG
  • Publication number: 20200002548
    Abstract: An aqueous coating composition having good freeze-thaw stability and providing coatings with good stain resistance.
    Type: Application
    Filed: November 11, 2016
    Publication date: January 2, 2020
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company, Rohm and Haas Company
    Inventors: Zhen Qian, Yaguang Zhao, Jianming Xu, Qingwei Zhang, Wei Li, Ling Li
  • Publication number: 20190284429
    Abstract: A novel coating composition comprising, by dry weight based on total dry weight of the coating composition, i) from 20% to 45% of emulsion copolymer being a copolymerization product of a monomer mixture comprising, by dry weight based on the total dry weight of the emulsion copolymer, from 30% to 80%, of ethyl acrylate; from 20% to 70%, of a vinyl monomer; and from 1% to 4%, of an ethylenically unsaturated carboxylic acid containing monomer; ii) from 0.5% to 5% of a paraffin wax; iii) from 30% to 55% of a pigment; and iv) from 0.003% to 0.5% of lithium hydroxide.
    Type: Application
    Filed: June 17, 2016
    Publication date: September 19, 2019
    Inventors: Zhen Qian, Wei Cui, Jianming Xu, Qingwei Zhang, Ling Li
  • Publication number: 20190225830
    Abstract: This invention generally relates to a coating composition which provides a coating film with high hydrophilic resistance and high hydrophobic resistance. The coating composition contains a polymer formed from a monomer composition comprising (a) 45-85 wt % of ethyl ester of acrylic acid or methacrylic acid and (b) 15-54 wt % of itaconic ester with 1 or 2 carbon atoms as a binder of the coating composition, and the weight of sum of (a) and (b) is 65% or more based on the total weight of the polymer.
    Type: Application
    Filed: September 2, 2016
    Publication date: July 25, 2019
    Applicants: Dow Global Technologies LLC, Rohm and Haas Company, Rohm and Haas Company
    Inventors: Jianming Xu, Wei Cui, Tao Wang, Siyuan Jiang, Qingwei Zhang, Daoshu Lin
  • Publication number: 20190119200
    Abstract: Compounds of Formula (I) and pharmaceutically acceptable salts thereof, wherein G1, G2, G3, L1, L2, and L3 are as defined in the specification, are useful in treating conditions or disorders prevented by or ameliorated by the modulation of lysophosphatidic acid receptor 1. Methods for making the compounds are described. Also described are pharmaceutical compositions of compounds of formula (I), and methods for using such compounds and compositions.
    Type: Application
    Filed: April 6, 2017
    Publication date: April 25, 2019
    Inventors: Lawrence A. Black, William H. Bunnelle, Da Chen, Bruce Clapham, David A. Degoey, Xiangjun Deng, Liqiang Fu, Lisa A. Hazelwood, Linglong Kong, Qingyu Lang, Chih-Hung Lee, Mingfeng Li, Greta L. Lundgaard, Meena V. Patel, Ruihong Tao, Lin Zhang, Qingwei Zhang, Qiangang Zheng, Wei Zhu
  • Patent number: 10167393
    Abstract: The present invention provides a polymer dispersion comprising by dry weight based on total dry weight of the polymer particles, a) from 60% to 95% a vinyl acetate monomer, b) from 0.2% to 2.5% a phosphorus-containing allylic monomer; and c) from 0.2% to 2.5% an itaconic acid monomer; wherein the total amount of monomers b) and c) is from 0.5% to 2.5% by dry weight based on total dry weight of the polymer particles, and the dry weight ratio of monomer b) to monomers b) and c) is from 0.2 to 0.6. The present invention further provides a paint formulation of PVC higher than 60% comprising the polymer dispersion.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: January 1, 2019
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Jianming Xu, Wei Cui, Qingwei Zhang, Ling Li, Danping Ma
  • Patent number: 10160878
    Abstract: An aqueous coating composition having acceptable heat-age stability and providing the resultant coating film with good washability.
    Type: Grant
    Filed: October 29, 2013
    Date of Patent: December 25, 2018
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Qingwei Zhang, Hongping Xu, Han Liu, Xiangting Dong
  • Patent number: 10155832
    Abstract: The present invention provides a dispersion of polymer particles comprising, as polymerized units, by dry weight based on total dry weight of the polymer particles, from 85% to 99.9% ethylenically unsaturated nonionic monomers, from 0.01% to 4% phosphorous-containing (meth)acrylate monomers, and at least one neutralizer. The final pH of the polymer dispersion is above 6, and from 50% to 100% by mole of the total neutralizers are alcohol amines. The present invention further provides a paint comprising said dispersion. The paint has both satisfactory paint viscosity stability and improved paint performances such as scrub resistance, stain resistance, corrosion resistance and durability.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: December 18, 2018
    Assignee: Rohm and Haas Company
    Inventors: Han Liu, Xiangting Dong, Qingwei Zhang, Caifeng Wang
  • Publication number: 20180282462
    Abstract: A multistage aqueous emulsion polymer comprising from 88% to 98% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a first polymer core; and from 2% to 12% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer, of a second polymer shell, wherein the first polymer core and the second polymer shell each independently comprises, as polymerized units, one or more ethylenically unsaturated nonionic monomers, wherein the second polymer shell further comprises, as polymerized units, from 20% to 60% by dry weight, based on total dry weight of the second polymer shell, of an acid monomer, wherein said acid monomer is, as polymerized units, from 1.1% to 4.2% by dry weight, based on total dry weight of the multistage aqueous emulsion polymer. An aqueous coating composition comprising said multistage aqueous emulsion polymer.
    Type: Application
    Filed: December 21, 2015
    Publication date: October 4, 2018
    Inventors: Xiangting Dong, Ling Li, Jinyuan Zhang, Wei Cui, Han Liu, Qingwei Zhang
  • Publication number: 20180208778
    Abstract: The present invention provides an antimicrobial coating composition comprising (i) a polymer emulsion and (ii) from 20 ppm to 6000 ppm, by dry weight based on total dry weight of the coating composition, a silver, and the polymer emulsion comprises, as polymerized units, (a) ethylenically unsaturated nonionic monomers, and (b) from 0.01% to 20%, by dry weight based on total dry weight of the polymer emulsion, heterocyclic group-containing monomers.
    Type: Application
    Filed: September 22, 2015
    Publication date: July 26, 2018
    Applicant: Rohm and Haas Company
    Inventors: Han Liu, Xiangting Dong, Qingwei Zhang, Ling Li
  • Publication number: 20170335116
    Abstract: The present invention provides an aqueous composition for coating substrates comprising: one or more emulsion copolymer, the emulsion copolymer being a copolymerization product of a monomer mixture comprising a monomer of formula I, wherein R1 is hydrogen or methyl, X is a divalent organic alkylene oxide group, n is an integer ranging from 1 to 50 and R2 is hydrogen or an alphatic or aromatic hydrocarbon group having from 1 to 20 carbon atoms, and a phosphate surfactant. When incoroporated into a coating composition, the coating composition show both improved stain-resistance properties and anti-clogging properties.
    Type: Application
    Filed: December 22, 2014
    Publication date: November 23, 2017
    Inventors: Zhen Qian, Xuzhi Zhu, Jianming Xu, Qingwei Zhang, Wei Cui, Jintao Liu
  • Publication number: 20170335040
    Abstract: The present invention provides a dispersion of polymer particles comprising, as polymerized units, by dry weight based on total dry weight of the polymer particles, from 85% to 99.9% ethylenically unsaturated nonionic monomers, from 0.01% to 4% phosphorous-containing (meth)acrylate monomers, and at least one neutralizer. The final pH of the polymer dispersion is above 6, and from 50% to 100% by mole of the total neutralizers are alcohol amines. The present invention further provides a paint comprising said dispersion. The paint has both satisfactory paint viscosity stability and improved paint performances such as scrub resistance, stain resistance, corrosion resistance and durability.
    Type: Application
    Filed: November 13, 2014
    Publication date: November 23, 2017
    Inventors: Han Liu, Xiangting Dong, Qingwei Zhang, Caifeng Wang