Patents by Inventor Hongyu Chen

Hongyu Chen 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: 20200087497
    Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises (a) a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having an acid content of 2 to 21 weight percent based on the weight of the copolymer, wherein the amount of copolymer (a) comprises 20-80 weight percent of the blend based on the total weight of the blend, and (b) a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 30 weight percent based on the weight of the copolymer, wherein the amount of copolymer (b) comprises 10 to 50 weight percent of the blend based on the total weight of the blend, wherein the amount of copolymer (a) and copolymer (b) is at least 70 weight percent of the blend based on the total weight of the blend.
    Type: Application
    Filed: January 11, 2017
    Publication date: March 19, 2020
    Inventors: Andong Liu, Guihong Liao, Jianping Pan, Peng Gao, Hongyu Chen, Yi Zhang
  • Patent number: 10561073
    Abstract: Embodiments of films, for example, infrared absorbing, heat retaining films, comprise at least one polymer selected from: a low density polyethylene (LDPE) having a density range of 0.900 g/cc to 0.930 g/cc and a melt index (I2) of 0.3 g/10 min to 2.0 g/10 min as measured in accordance with ASTM D1238; a linear low density polyethylene (LLDPE) having a density range of 0.900 g/cc to 0.930 g/cc and a melt index I2 of 0.3 g/10 min to 2.0 g/10 min; and a ethylene vinyl acetate copolymer having a vinyl acetate content ranging from 3 wt. % to 27 wt. % and a melt index I2 of 0.2 g/10 min to 10 g/10 min. The films also comprise a hybrid filler comprising (i) a layered double hydroxide, and (ii) an inorganic powder complex having a particle size distribution defined by a median diameter (D50) of 1.5 to 20 ?m.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: February 18, 2020
    Assignee: Dow Global Technologies LLC
    Inventors: Libo Du, Hongyu Chen, Qing Shi, Yong Chen, Hong Liang Zhang, Hong Zheng, QiQi Tang
  • Publication number: 20200022993
    Abstract: An injectable pharmaceutical composition of a sulfonylurea drug and a preparation method thereof were described. The pharmaceutical composition contains a sulfonylurea drug, a cyclodextrin and an additive.
    Type: Application
    Filed: December 13, 2017
    Publication date: January 23, 2020
    Inventors: Wu ZHONG, Chunsheng GAO, Wei GONG, Song LI, Hongyu CHEN
  • Publication number: 20200003737
    Abstract: A high performance liquid chromatography method used for dexrazoxane-related substances is provided, and in the method, a low-density bonding reversed-phase C18 chromatographic column resistant to pure water is employed; a gradient elution is carried out with mobile phase A and mobile phase B as eluents, the mobile phase A being a buffer, and the mobile phase B being an organic solvent; the volume percent of mobile phase A in eluents in a first stage of the gradient elution is not lower than 90%, and the duration of the first stage of the gradient elution ranges from 15˜30 minutes. By means of the analytical method, dexrazoxane is effectively separated from main impurities, and the qualities of the active pharmaceutical ingredients of dexrazoxane and the preparations thereof could be better controlled.
    Type: Application
    Filed: November 30, 2017
    Publication date: January 2, 2020
    Applicant: JIANGSU AOSAIKANG PHARMACEUTICAL CO., LTD.
    Inventors: Xiangfeng CHEN, Hongyu CHEN, Shuaihua TIAN, Min SUN, Changjun FAN
  • Publication number: 20200002552
    Abstract: An intumescent coating system contains: a polyol component; an isocyanate component; a latent crosslinker having two or more —NACH2OR groups, where A is selected from a group consisting of H and —CH2OR, and in each case R is independently selected from a group consisting of hydrocarbons having from one to four carbons, the latent crosslinker being present at a concentration of 30 weight-percent or more based on polyol weight; a boron component one weight-percent or more and 10 weight-percent or less based on total weight of the formulation; and expandable graphite at a concentration of 10 weight-percent or more and 50 weight-percent or less based on the total intumescent system weight; where the polyol and isocyanate are selected so that the reaction product at room temperature of the intumescent coating system components produces a coating having a tensile elongation of 40-percent or more as determined according to ISO 37.
    Type: Application
    Filed: March 14, 2017
    Publication date: January 2, 2020
    Inventors: Xiaomei Song, Dakai Ren, Hongyu Chen, Yi Zhang
  • Publication number: 20190352482
    Abstract: The present disclosure provides a foamable composition containing (A) a high density polyethylene (HDPE); (B) a low density polyethylene (LDPE); (C) a peroxide-modified HDPE; and (D) a nucleator. The present disclosure also provides a process for making a foam composition. Additionally, the present disclosure provides a foam formed from a foamable composition, and a cable with an insulation layer containing the foam.
    Type: Application
    Filed: February 7, 2017
    Publication date: November 21, 2019
    Inventors: Jiawen Xiong, Gangwei Sun, Mohamed Esseghir, Hongyu Chen, Jeffrey M. Cogen, Yi Zhang
  • Patent number: 10424682
    Abstract: A multilayer encapsulant film having at least two layers includes a first layer comprising an encapsulant resin, and a second layer comprising an encapsulant resin and at least one down-converter, such as a rare-earth organometallic complex. The down-converter may be present in an amount of at least 0.0001 wt % based on the total weight of the encapsulant film. Further layers of a multilayer encapsulant film may or may not include a down-converter. Preferably, a multilayer encapsulant film contains at least one layer with at least one down-converter and at least one layer without a down-converter. Such multilayer down-converting films may be used in an electronic device, such as a PV module.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: September 24, 2019
    Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS COMPANY
    Inventors: John A. Naumovitz, Hongyu Chen, Yan Huang, Ada Yu Zhang, Zhi Xu
  • Publication number: 20190225786
    Abstract: A composition includes polyethylene; a multifunctional co-agent having a functionality of 3 or greater, where the multifunctional co-agent is from 100 to 2000 ppm based upon the polyethylene; and a free radical generator, where the free radical generator is from 5 to 100 ppm based upon the polyethylene. Such composition may be utilized to form modified polyethylenes.
    Type: Application
    Filed: August 31, 2016
    Publication date: July 25, 2019
    Applicant: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Alexander Williamson, Kalyan Sehanobish, Jorge Caminero Gomes, Yu Cai
  • Patent number: 10351749
    Abstract: A composition composed of a crosslinked interpolymer elastomer and thermally conductive filler dispersed within an elastomeric matrix, thermally conductive articles made from the composition, and methods of producing the composition and articles.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: July 16, 2019
    Assignee: Dow Global Technologies LLC
    Inventors: Yunfeng Yang, Hongyu Chen, Tao Han
  • Publication number: 20190211199
    Abstract: Disclosed herein is a foam composition comprising an olefin copolymer that comprises ethylene and an ?-olefin or propylene and an ?-olefin; an unneutralized carboxylated olefin copolymer; a crosslinking agent; and a blowing agent; where the foam composition is substantially free from neutralized carboxylated ethylene copolymer. Disclosed herein too is a method of manufacturing a foam composition comprising blending together an olefin copolymer that comprises ethylene and an ?-olefin or propylene and an ?-olefin; an unneutralized carboxylated olefin copolymer; a crosslinking agent; and a blowing agent to form the foam composition; where the foam composition is substantially free from neutralized carboxylated ethylene copolymer; heating the foam composition to activate the blowing agent to form a foam; and crosslinking the foam.
    Type: Application
    Filed: September 29, 2016
    Publication date: July 11, 2019
    Inventors: Chao Zhang, Haiyang Yu, Xiaolian Hu, Hongyu Chen, Yi Zhang, Xiaochun Liu
  • Patent number: 10332657
    Abstract: A method for forming gold nanowires on a substrate is provided. The method includes a) attaching noble metal nanoparticles onto the substrate; and b) contacting the noble metal nanoparticles with an aqueous solution comprising a ligand, gold ions and a reducing agent, wherein the ligand is an organic compound having a thiol group. Gold nanowires formed by a method according to the method, and an electronic device comprising the gold nanowires are also provided.
    Type: Grant
    Filed: September 24, 2012
    Date of Patent: June 25, 2019
    Assignee: Nanyang Technological University
    Inventors: Hongyu Chen, Jiating He, Yawen Wang
  • 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: 20190136086
    Abstract: A silsesquinoxane modified TiO2 sol, a method of forming the TiO2 sol, a radiation curable composition comprising the TiO2 sol and cured material formed from the radiation curable composition are disclosed. The TiO2 sol is at least partially covered by silsesquinoxane and has high RI useful for an insulating layer on indium tin oxide (ITO) electrodes that provides transparency of the ITO electrodes.
    Type: Application
    Filed: May 27, 2016
    Publication date: May 9, 2019
    Applicants: DOW GLOBAL TECHNOLOGY LLC, ROHM AND HAAS ELECTRONIC MATERIALS LLC
    Inventors: Linfei WANG, Nan HU, Hongyu CHEN, Wanfu MA, Yu CAI, Mitsuru HAGA
  • Publication number: 20180355140
    Abstract: An article contains a polymeric foam board having a primary surface and an intumescent coating on a primary surface of the polymeric foam board, the intumescent coating containing a polymeric binder, expandable graphite particles, a phosphorous material and a boron-containing compound and wherein the article is free of an object that is in contact with the intumescent coating and that sandwiches the intumescent coating between it and the polymeric foam board and wherein the intumescent coating has a tensile elongation of at least 50 percent and less than 100 percent at 23 degrees Celsius as measured according to ISO 37, has a storage modulus of less than 1×106 Pascals at 250 degrees Celsius, is halogen-free, free of sodium silicate, free of polyurea elastomer, and free of formals of pentaerythritol and dipentaerythritol.
    Type: Application
    Filed: January 16, 2017
    Publication date: December 13, 2018
    Inventors: Xiaomei Song, Dakai Ren, Hongyu Chen, Jeffrey M. Alcott, Mark A. Barger, Yi Zhang, Ernest J. Herst
  • Publication number: 20180355189
    Abstract: Curable coating compositions for preventing biofouling include a) at least one epoxy resin; b) at least one amine-functional poly(dialkylsiloxane) polymer in an amount from 1 to 70% based on the combined weights of components a) and b); and c) at least one alkylene polyamine, polyalkylene polyamine or polymercaptan epoxy curing agent; wherein components b) and c) together provide about 0.75 to 1.5 equivalents of amine nitrogen atoms and/or thiol groups per equivalent of epoxy groups provided by component a). When cured to form an antifouling coating, the coating exhibits a water contact angle of at least 100° as measured using an optical contact angle meter at 22° C. The coating composition adheres well to many substrates, provides good anticorrosion protection and is an effective anti-biofouling measure.
    Type: Application
    Filed: December 30, 2015
    Publication date: December 13, 2018
    Inventors: Yan Huang, Hongyu Chen, Xinyu Cao, Yu Zhang, Paul J. Popa, Yuteng Lin, John A. Roper, Gerald A. Vandezande
  • Publication number: 20180310490
    Abstract: Embodiments of films, for example, infrared absorbing, heat retaining films, comprise at least one polymer selected from: a low density polyethylene (LDPE) having a density range of 0.900 g/cc to 0.930 g/cc and a melt index (I2) of 0.3 g/10 min to 2.0 g/10 min as measured in accordance with ASTM D1238; a linear low density polyethylene (LLDPE) having a density range of 0.900 g/cc to 0.930 g/cc and a melt index I2 of 0.3 g/10 min to 2.0 g/10 min; and a ethylene vinyl acetate copolymer having a vinyl acetate content ranging from 3 wt. % to 27 wt. % and a melt index I2 of 0.2 g/10 min to 10 g/10 min. The films also comprise a hybrid filler comprising (i) a layered double hydroxide, and (ii) an inorganic powder complex having a particle size distribution defined by a median diameter (D50) of 1.5 to 20 ?m.
    Type: Application
    Filed: October 30, 2015
    Publication date: November 1, 2018
    Applicant: Dow Global Technologies LLC
    Inventors: Libo Du, Hongyu Chen, Qing Shi, Yong Chen, Hong Liang Zhang, Hong Zheng, QiQi Tang
  • Publication number: 20180286598
    Abstract: A method of making a multilayer structure is provided, comprising providing a substrate; providing a coating composition, comprising: a liquid carrier and a MX/graphitic carbon precursor material having a formula (I); disposing the coating composition on the substrate to form a composite; optionally, baking the composite; annealing the composite under a forming gas atmosphere; whereby the composite is converted into an MX layer and a graphitic carbon layer disposed on the substrate providing the multilayer structure; wherein the MX layer is interposed between the substrate and the graphitic carbon layer in the multilayer structure.
    Type: Application
    Filed: September 29, 2015
    Publication date: October 4, 2018
    Inventors: Deyan Wang, Xiuyan Wang, Shaoguang Feng, Qiaowei Li, Qingqing Pang, Peter Trefonas, III, Zhijian Lu, Hongyu Chen
  • Publication number: 20180273388
    Abstract: A method of making a graphitic carbon sheet is provided, comprising providing a substrate; providing a coating composition, comprising: a liquid carrier and a MX/graphitic carbon precursor material having a formula (I); disposing the coating composition on the substrate to form a composite; optionally, baking the composite; annealing the composite under a forming gas atmosphere; whereby the composite is converted into an MX layer and a graphitic carbon layer disposed on the substrate providing a multilayer structure; wherein the MX layer is interposed between the substrate and the graphitic carbon layer in the multilayer structure; exposing the multilayer structure to an acid; and, recovering the graphitic carbon layer as the freestanding graphitic carbon sheet.
    Type: Application
    Filed: September 29, 2015
    Publication date: September 27, 2018
    Inventors: Deyan Wang, Xiuyan Wang, Shaoguang Feng, Qiaowei Li, Qingqing Pang, Peter Trefonas, III, Hongyu Chen
  • Publication number: 20180244021
    Abstract: A multi-layer film comprising: a) a first layer comprising i) a polyolefin component; and ii) a polyethylene oxide/polyethylene copolymer having a Hydrophile-Lipophile Balance value in the range of from 2 to 6; b) a second layer comprising i) a polyolefin component; ii) from 1 to 5 weight percent of an additive selected from the group consisting of sorbitan esters, polyoxyethylene esters, glycerol esters, polyglycerol esters, fluorine-based compounds and combinations thereof, wherein the additive has a Hydrophile-Lipophile Balance value in the range of from 7 to 18; and iii) an inorganic filler; wherein the second layer is adjacent to the first layer and c) a skin layer comprising a polyolefin component, is disclosed. The multi-layer film is used in greenhouse applications.
    Type: Application
    Filed: September 18, 2015
    Publication date: August 30, 2018
    Inventors: Qing Shi, Hongyu Chen, Daojin Hang, Libo Du, Andong Liu, Yong Chen
  • Publication number: 20180230280
    Abstract: A film comprising, consisting of, or consisting essentially of: a) a polyolefin component; b) an additive comprising i) a first polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 1 to 7 and a structure selected from the group consisting of CH3CH2(CH2CH2)aCH2CH2(OCH2CH2)bOH and CH3CH2(CH2CH2)aCO(OCH2CH2)bOH wherein a is from 9 to 25 and b is from 1 to 10; and ii) a second polyethylene oxide/polyethylene copolymer having a HLB value in the range of from 7 to 18 and a structure selected from the group consisting of CH3CH2(CH2CH2)aCH2CH2(OCH2CH2)bOH and CH3CH2(CH2CH2)aCO(OCH2CH2)bOH wherein a is from 9 to 25 and b is from 1 to 10, is disclosed. The film is used in greenhouse applications.
    Type: Application
    Filed: September 18, 2015
    Publication date: August 16, 2018
    Inventors: Qing Shi, Hongliang Zhang, Hongyu Chen, Hong Zheng, Yong Chen