Patents by Inventor Houxiang Tang
Houxiang Tang 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).
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Publication number: 20240002673Abstract: The present invention relates to an article comprising metal coated with an aqueous dispersion of polyolefin particles as well as metal coated with a polyolefin film arising from this dispersion. More particularly the polyolefin particles of the present invention are predominantly polypropylene particles.Type: ApplicationFiled: December 2, 2021Publication date: January 4, 2024Inventors: Houxiang Tang, David L. Malotky, Nicholas B. Schaffer, Hanze Ying, Bernhard U. Kainz, Cynthia A. Stants, Luqing Qi, Ray E. Drumright, Jonathan F. Mason
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Publication number: 20230151549Abstract: The present invention relates to an article and a method for its preparation; the article comprises a cured polymeric film superposing paper or paperboard. The polymeric film is derived from a dispersion which comprises: a) a dispersant which is a copolymer with an acid value of 130 or less, comprising structural units of ethylene and a carboxylic acid monomer, wherein the copolymer has a melt flow index in the range of from 50 to 2000 g/10 min at 190° C./2.16 kg; wherein the weight-to-weight ratio of structural units of ethylene to carboxylic acid monomer is in the range of from 95:5 to 70:30; and wherein the dispersant has a concentration in the range of from 9 to 50 weight percent based on the weight of polymer solids in the dispersion; b) a base polymer comprising non-functionalized ethylene-co-alkene copolymers, wherein the weight-to-weight ratio of the structural units of ethylene to alkene is in the range of from 99.8:0.Type: ApplicationFiled: April 15, 2021Publication date: May 18, 2023Inventors: Alan M. Piwowar, Ray E. Drumright, Christina N. Ellison, David L. Malotky, Jonathan F. Mason, Hari Katepalli, Luqing Qi, Houxiang Tang, Robert R. Bills
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Patent number: 11401425Abstract: The present disclosure provides for an aqueous dispersion for use in coating applications. The aqueous dispersion includes an aqueous composition and a solid content of a melt blend product having an acid functionalized polypropylene base polymer, a polypropylene copolymer, an acid functionalized polypropylene wax and an acid functionalized polyolefin. The aqueous dispersion is included in a coating composition, where the coating composition includes the aqueous dispersion, a solvent, a crosslinker and a basic water composition having water and a base. The present disclosure also provides for a coated article having a substrate and a coating on the substrate, where the coating includes the coating composition of the present disclosure.Type: GrantFiled: October 21, 2019Date of Patent: August 2, 2022Assignee: Dow Global Technologies LLCInventors: Houxiang Tang, David L. Malotky, Ray E. Drumright, Nicholas B. Schaffer, Cynthia Stants, Bernhard Kainz
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Publication number: 20200123393Abstract: The present disclosure provides for an aqueous dispersion for use in coating applications. The aqueous dispersion includes an aqueous composition and a solid content of a melt blend product having an acid functionalized polypropylene base polymer, a polypropylene copolymer, an acid functionalized polypropylene wax and an acid functionalized polyolefin. The aqueous dispersion is included in a coating composition, where the coating composition includes the aqueous dispersion, a solvent, a crosslinker and a basic water composition having water and a base. The present disclosure also provides for a coated article having a substrate and a coating on the substrate, where the coating includes the coating composition of the present disclosure.Type: ApplicationFiled: October 21, 2019Publication date: April 23, 2020Applicant: Dow Global Technologies LLCInventors: Houxiang Tang, David L. Malotky, Ray E. Drumright, Nicholas B. Schaffer, Cynthia Stants, Bernhard Kainz
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Patent number: 10221327Abstract: The present invention provides aqueous polyolefin dispersion compositions for use in metal coatings, such as can coatings, comprising one or more polyolefin base polymer, one or more at least partially neutralized olefinic stabilizing agent having an acid number (AN) of from 80 to 250, preferably, a polyolefin stabilizing agent, such as an olefin-carboxylic acid copolymer or a blend of two such polymers, an optional coupling agent having an acid number (AN) of from 10 to 70 and a melt index of from 500 to 5,000,000 grams of polymer melt passing in 10 minutes through a heated syringe or cylinder at 190° C. with a plunger loaded with 2.16 kg, preferably, a polymer, and a hindered phenolic antioxidant containing an ester linkage dispersed in the polyolefin dispersion composition.Type: GrantFiled: March 9, 2016Date of Patent: March 5, 2019Assignee: Dow Global Technologies LLCInventors: Ray E. Drumright, Bernhard Kainz, Richard A. Lundgard, Cynthia Stants, Houxiang Tang, Jeffrey Wilbur
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Patent number: 9605177Abstract: A waterborne dispersion containing a high molecular weight cycloaliphatic epoxy resin based on a diglycidyl ether of a cycloaliphatic diol polymerized with, for example, a diphenolic or diacid compound.Type: GrantFiled: April 1, 2013Date of Patent: March 28, 2017Assignee: BLUE CUBE IP LLCInventors: Houxiang Tang, Manesh Nadupparambil Sekharan, Ray E. Drumright, Yinzhong Guo
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Publication number: 20160280951Abstract: The present invention provides aqueous polyolefin dispersion compositions for use in metal coatings, such as can coatings, comprising one or more polyolefin base polymer, one or more at least partially neutralized olefinic stabilizing agent having an acid number (AN) of from 80 to 250, preferably, a polyolefin stabilizing agent, such as an olefin-carboxylic acid copolymer or a blend of two such polymers, an optional coupling agent having an acid number (AN) of from 10 to 70 and a melt index of from 500 to 5,000,000 grams of polymer melt passing in 10 minutes through a heated syringe or cylinder at 190° C. with a plunger loaded with 2.16 kg, preferably, a polymer, and a hindered phenolic antioxidant containing an ester linkage dispersed in the polyolefin dispersion composition.Type: ApplicationFiled: March 9, 2016Publication date: September 29, 2016Applicants: Dow MF Produktions GmbH & Co. OHG, The Dow Chemical CompanyInventors: Ray E. Drumright, Bernhard Kainz, Richard A. Lundgard, Cynthia Stants, Houxiang Tang, Jeffrey Wilbur
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Patent number: 9422444Abstract: Embodiments of the present disclosure are directed towards coating compositions comprising from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, a basic water composition, and a crosslinker, wherein the aqueous dispersion comprises a melt blending product of (a) a base polymer comprising a polyolefin, (b) a polymeric performance improving agent (c) a polymeric stabilizing agent, and (d) a polymeric coupling agent.Type: GrantFiled: December 13, 2013Date of Patent: August 23, 2016Assignee: Dow Global Technologies LLCInventors: Richard A. Lundgard, Houxiang Tang, Jeffrey Wilbur, Jinghang Wu, David L. Malotky
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Patent number: 9284468Abstract: A dispersion having from one to sixty percent by weight of total dispersion of a solids component dispersed in an organic continuous phase is useful as a coating for substrates. The solids component contains 40-95 weight-percent of a polyolefin containing only carbon and hydrogen and that has a number average molecular weight that is greater than 400 gram per mole, 5-40 weight-percent of an amine salt of a functionalized polyolefin; and 0-20 weight-percent of optional additives, wherein weight-percent is based on total weight of solids and wherein the dispersed particles have an average particle size of less than 35 micrometers and the organic phase is a dispersion support medium for the polyolefin and amine salt of a functionalized polyolefin.Type: GrantFiled: June 7, 2013Date of Patent: March 15, 2016Assignee: Dow Global Technologies LLCInventors: Houxiang Tang, Bernhard Kainz, Liang Hong, Richard A. Lundgard
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Publication number: 20150344718Abstract: Embodiments of the present disclosure are directed towards coating compositions comprising from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, a basic water composition, and a crosslinker, wherein the aqueous dispersion comprises a melt blending product of (a) a base polymer comprising a polyolefin, (b) a polymeric performance improving agent (c) a polymeric stabilizing agent, and (d) a polymeric coupling agent.Type: ApplicationFiled: December 13, 2013Publication date: December 3, 2015Applicant: Dow Global Technologies LLCInventors: Richard A. Lundgard, Houxiang Tang, Jeffrey Wilbur, Jinghang Wu, David L. Malotky
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Patent number: 9147906Abstract: A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus-sulfur compounds. The phosphorus-sulfur compound performs effectively as a solid-electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance. Batteries containing the electrolyte solution form robust and stable SEIs even when charged at high rates during initial formation cycles.Type: GrantFiled: November 16, 2009Date of Patent: September 29, 2015Assignee: Dow Global Technologies LLCInventors: Houxiang Tang, William J. Kruper, Jr., Ravi B. Shankar, Deidre A. Strand, Peter M. Margl, Andrew J. Pasztor, Jr., David R. Wilson, Jeremy R. Stajdl
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Patent number: 9056944Abstract: The present invention is directed at a binder for a battery electrode comprising an ethylene oxide-containing copolymer including a first monomer of ethylene oxide (EO) and at least one additional monomer selected from an alkylene-oxide that is different from the first monomer of EO, an alkyl glycidyl ether, or a combination thereof; wherein the ethylene oxide-containing copolymer has a weight average molecular weight less than about 200,000 g/mole (e.g., from about 10,000 to about 100,000), the molar fraction of the first monomer of EO (XEo) in the ethylene oxide-containing copolymer is greater than 0.80 (e.g., from about 0.80 to about 0.995), and the ethylene oxide-containing copolymer has a peak melting temperature (Tp), in ° C., for a selected XEO in the range of about 0.80 to about 0.995, which is below a maximum value of Tpmax, at the selected XEO, which is calculated using the equation Tpmax=(60?150 (1?XEO)).Type: GrantFiled: February 10, 2010Date of Patent: June 16, 2015Assignee: Dow Global Technologies LLCInventors: Susan J. Babinec, Houxiang Tang, Abhijit Ghosh-Dastidar, Eric P. Wasserman, Richard A. Galley, Michael M. Luong
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Publication number: 20150126671Abstract: A dispersion having from one to sixty percent by weight of total dispersion of a solids component dispersed in an organic continuous phase is useful as a coating for substrates. The solids component contains 40-95 weight-percent of a polyolefin containing only carbon and hydrogen and that has a number average molecular weight that is greater than 400 gram per mole, 5-40 weight-percent of an amine salt of a functionalized polyolefin; and 0-20 weight-percent of optional additives, wherein weight-percent is based on total weight of solids and wherein the dispersed particles have an average particle size of less than 35 micrometers and the organic phase is a dispersion support medium for the polyolefin and amine salt of a functionalized polyolefin.Type: ApplicationFiled: June 7, 2013Publication date: May 7, 2015Applicant: Dow Global Technologies LLCInventors: Houxiang Tang, Bernhard Kainz, Liang Hong, Richard A. Lundgard
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Publication number: 20150079402Abstract: A waterborne dispersion containing a high molecular weight cycloaliphatic epoxy resin based on a diglycidyl ether of a cycloaliphatic diol polymerized with, for example, a diphenolic or diacid compound.Type: ApplicationFiled: April 1, 2013Publication date: March 19, 2015Inventors: Houxiang Tang, Manesh Nadupparambil Sekharan, Ray E. Drumright, Yinzhong Guo
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Patent number: 8946329Abstract: Embodiments of the present disclosure are directed towards coating compositions comprising from 50 to 85 percent of an aqueous dispersion based on a total weight of the coating composition; a stabilizing solvent composition comprising a first alcohol and a second alcohol, wherein each alkyl chain of the first alcohol and the second alcohol is one to three carbon atoms, with the proviso that neither the first alcohol nor the second alcohol is propylene glycol; a basic water composition; and a crosslinker.Type: GrantFiled: January 8, 2013Date of Patent: February 3, 2015Assignee: Dow Global Technologies LLCInventors: Jeffrey Wilbur, Jodi M. Mecca, Houxiang Tang, Dharakumar Metla, Denise Lindenmuth, David L. Malotky, Bernhard Kainz
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Publication number: 20140275342Abstract: Advanced epoxy resins comprising the reaction product of an epoxy resin comprising a diglycidyl ether of Formula 1 as defined herein, and at least on difunctional compound selected from an aromatic diol and a dicarboxylic acid are described. The diglycidyl ether contains a cycloaliphatic ring of 3-5 carbon atoms. Purified diglycidyl ether is used to obtain substantially linear, high molecular weight, advanced epoxy resin. Curable compositions, cured compositions, and articles comprising the advanced epoxy resins are also disclosed. The advanced epoxy resins provide cured coatings having improved flexibility and low total chlorine content.Type: ApplicationFiled: March 10, 2014Publication date: September 18, 2014Inventors: Yinzhong Guo, Robert E. Hefner, JR., Ray E. Drumright, Houxiang Tang
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Patent number: 8779053Abstract: Embodiments of the present disclosure are directed towards coating compositions comprising from 20 to 85 percent of an aqueous dispersion based on a total weight of the coating composition, a basic water composition, and a crosslinker, wherein the aqueous dispersion comprises a melt blending product of (a) a base polymer comprising a polyolefin, (b) a polymeric performance improving agent (c) a polymeric stabilizing agent, and (d) a polymeric coupling agent.Type: GrantFiled: December 28, 2012Date of Patent: July 15, 2014Assignee: Dow Global Technologies LLCInventors: Richard Lundgard, Houxiang Tang, Jeffrey Wilbur, Jinghang Wu, David L. Malotky
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Patent number: 8574773Abstract: A battery electrolyte solution contains from 0.01 to 80% by weight of an aromatic phosphorus compound. The aromatic phosphorus compound provides increased thermal stability for the electrolyte, helping to reduce thermal degradation, thermal runaway reactions and the possibility of burning. The aromatic phosphorus compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance.Type: GrantFiled: November 16, 2009Date of Patent: November 5, 2013Assignee: Dow Global Technologies LLCInventors: David R. Wilson, Ravi B. Shankar, Houxiang Tang, Andrew J. Pasztor, Jr., Peter M. Margl, William J. Kruper, Jr., Mark D. Newsham, Jing Jin, Matthew M. Yonkey, Deidre A. Strand, Thomas D. Gregory, Jamie L. Cohen, Jeremy R. Stajdl
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Publication number: 20120315549Abstract: A battery electrolyte solution contains from 0.001 to 20% by weight of certain phosphorus-sulfur compounds. The phosphorus-sulfur compound performs effectively as a solid-electrolyte interphase (SEI) forming material. The phosphorus-sulfur compound has little adverse impact on the electrical properties of the battery, and in some cases actually improves battery performance. Batteries containing the electrolyte solution form robust and stable SEIs even when charged at high rates during initial formation cycles.Type: ApplicationFiled: November 16, 2009Publication date: December 13, 2012Inventors: Houxiang Tang, William J. Kruper, JR., Ravi B. Shankar, Deidre A. Strand, Peter M. Margl, Andrew J. Pasztor, JR., David R. Wilson, Jerey R. Stajdi
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Publication number: 20110318646Abstract: The present invention is directed at a binder for a battery electrode comprising an ethylene oxide-containing copolymer including a first monomer of ethylene oxide (EO) and at least one additional monomer selected from an alkylene-oxide that is different from the first monomer of EO, an alkyl glycidyl ether, or a combination thereof; wherein the ethylene oxide-containing copolymer has a weight average molecular weight less than about 200,000 g/mole (e.g., from about 10,000 to about 100,000), the molar fraction of the first monomer of EO (XEo) in the ethylene oxide-containing copolymer is greater than 0.80 (e.g., from about 0.80 to about 0.995), and the ethylene oxide-containing copolymer h a peak melting temperature (Tp), in ° C., for a selected XEO in the range of about 0.80 to about 0.995, which is below a maximum value of Tpmax, at the selected XEO, which is calculated using the equation Tpmax=(60?150 (1?XEO)).Type: ApplicationFiled: February 10, 2010Publication date: December 29, 2011Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Susan J. Babinec, Houxiang Tang, Abhijit Ghosh-Dastidar, Eric P. Wasserman, Richard A. Galley, Michael M. Luong