Patents by Inventor Zhengang Zong
Zhengang Zong 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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Patent number: 11846029Abstract: Disclosed are oleyl propylenediamine-based compounds used in compositions and methods for inhibiting corrosion. The method comprises introducing into a fluid source a composition comprising one or more oleyl propylenediamine-based compounds comprising Formula I: wherein Y1, Y2, and Y3 independently are hydrogen or a substituent of Formula (II): wherein V is —O— or —NH—, W is optionally present and is a linear or branched C1-10 aliphatic group, X is —H, —NZ3+, —COOH, —SO3H, —OSO3H2, —PO3H, —OPO3H2, or a salt thereof, each Z independently is hydrogen or a linear or branched C1-20 aliphatic group optionally interrupted or substituted with one or more oxygen atoms, and R is hydrogen or methyl, provided that at least one of Y1, Y2, or Y3 is a substituent of Formula (II).Type: GrantFiled: June 27, 2022Date of Patent: December 19, 2023Assignee: Ecolab USA Inc.Inventors: Zhengang Zong, Roger W. Fowee, Joe L. Schwartz, Ashish Dhawan, Jeremy Moloney
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Publication number: 20230193478Abstract: Disclosed are oleyl propylenediamine-based compounds used in compositions and methods for inhibiting corrosion. The method comprises introducing into a fluid source a composition comprising one or more oleyl propylenediamine-based compounds comprising Formula I: wherein Y1, Y2, and Y3 independently are hydrogen or a substituent of Formula (II): wherein V is —O— or —NH—, W is optionally present and is a linear or branched C1-10 aliphatic group, X is —H, —NZ3+, —COOH, —SO3H, —OSO3H2, —PO3H, —OPO3H2, or a salt thereof, each Z independently is hydrogen or a linear or branched C1-20 aliphatic group optionally interrupted or substituted with one or more oxygen atoms, and R is hydrogen or methyl, provided that at least one of Y1, Y2, or Y3 is a substituent of Formula (II).Type: ApplicationFiled: June 27, 2022Publication date: June 22, 2023Inventors: Zhengang Zong, Roger W. Fowee, Joe L. Schwartz, Ashish Dhawan, Jeremy Moloney
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Publication number: 20230037819Abstract: Disclosed are surface-modified nanoparticles and surfactants used in compositions and methods for enhancing hydro-carbon recovery from subterranean formations.Type: ApplicationFiled: May 14, 2020Publication date: February 9, 2023Inventors: Duy T. Nguyen, William T. Duttlinger, JR., Rangarani Karnati, Zhengang Zong, Kai He, Linh Do
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Publication number: 20220333252Abstract: Disclosed are oleyl propylenediamine-based compounds used in compositions and methods for inhibiting corrosion. The method comprises introducing into a fluid source a composition comprising one or more oleyl propylenediamine-based compounds comprising Formula I: wherein Y1, Y2, and Y3 independently are hydrogen or a substituent of Formula (II): wherein V is —O— or —NH—, W is optionally present and is a linear or branched C1-10 aliphatic group, X is —H, —NZ3+, —COOH, —SO3H, —OSO3H2, —PO3H, —OPO3H2, or a salt thereof, each Z independently is hydrogen or a linear or branched C1-20 aliphatic group optionally interrupted or substituted with one or more oxygen atoms, and R is hydrogen or methyl, provided that at least one of Y1, Y2, or Y3 is a substituent of Formula (II).Type: ApplicationFiled: June 27, 2022Publication date: October 20, 2022Inventors: Zhengang Zong, Roger W. Fowee, Joe L. Schwartz, Ashish Dhawan, Jeremy Moloney
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Patent number: 11427964Abstract: A composition is disclosed that may include an adhesive agent and a release aid. A Yankee dryer coating is also disclosed that may include a release aid. The release aid may include a cationic polymer salt that is a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are methods of treating and creping paper.Type: GrantFiled: June 7, 2019Date of Patent: August 30, 2022Assignee: Ecolab USA Inc.Inventors: Gary S. Furman, Jr., Christopher Kaley, Zhengang Zong
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Patent number: 11371151Abstract: Disclosed are oleyl propylenediamine-based compounds used in compositions and methods for inhibiting corrosion. The method comprises introducing into a fluid source a composition comprising one or more oleyl propylenediamine-based compounds comprising Formula I: wherein Y1, Y2, and Y3 independently are hydrogen or a substituent of Formula (II): wherein V is —O— or —NH—, W is optionally present and is a linear or branched C1-10 aliphatic group, X is —H, —NZ3+, —COOH, —SO3H, —OSO3H2, —PO3H, —OPO3H2, or a salt thereof, each Z independently is hydrogen or a linear or branched C1-20 aliphatic group optionally interrupted or substituted with one or more oxygen atoms, and R is hydrogen or methyl, provided that at least one of Y1, Y2, or Y3 is a substituent of Formula (II).Type: GrantFiled: September 5, 2019Date of Patent: June 28, 2022Assignee: Ecolab USA Inc.Inventors: Zhengang Zong, Roger W. Fowee, Joe L. Schwartz, Ashish Dhawan, Jeremy Moloney
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Patent number: 11319427Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.Type: GrantFiled: December 15, 2020Date of Patent: May 3, 2022Assignee: ECOLAB USA Inc.Inventors: Zhengang Zong, Kun Xiong, Jeremy Moloney, Ashish Dhawan
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Publication number: 20210298300Abstract: Disclosed herein are the methods of using specific di-cationic or multiple charged cationic compounds, which are derived from primary amine or polyamines through an aza-Michael addition with an ?, ?-unsaturated carbonyl compound or from polyamines through both an aza-Michael addition with an ?, ?-unsaturated carbonyl compound and a ring-opening reaction with an epoxide, in a fouling control composition to reduce microbial and/biofilm growth in a water system. The disclosed methods or compositions are found to be more effective than those methods or compositions including commonly used single quaternary compounds for reducing microbial or biofilm growth in water systems.Type: ApplicationFiled: June 14, 2021Publication date: September 30, 2021Inventors: Ashish Dhawan, Kun Xiong, Carter M. Silvernail, Zhengang Zong
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Patent number: 11058111Abstract: Disclosed herein are the methods of using specific di-cationic or multiple charged cationic compounds, which are derived from primary amine or polyamines through an aza-Michael addition with an ?,?-unsaturated carbonyl compound or from polyamines through both an aza-Michael addition with an ?,?-unsaturated carbonyl compound and a ring-opening reaction with an epoxide, in a fouling control composition to reduce microbial and/biofilm growth in a water system. The disclosed methods or compositions are found to be more effective than those methods or compositions including commonly used single quaternary compounds for reducing microbial or biofilm growth in water systems.Type: GrantFiled: August 28, 2019Date of Patent: July 13, 2021Assignee: Ecolab USA Inc.Inventors: Ashish Dhawan, Kun Xiong, Carter M. Silvernail, Zhengang Zong
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Publication number: 20210198848Abstract: A composition is disclosed that may include an adhesive agent and a release aid. A Yankee dryer coating is also disclosed that may include a release aid. The release aid may include a cationic polymer salt that is a reaction product of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are methods of treating and creping paper.Type: ApplicationFiled: June 7, 2019Publication date: July 1, 2021Applicant: ECOLAB USA INC.Inventors: Gary S. Furman, Jr., Christopher Kaley, Zhengang Zong
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Publication number: 20210102044Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.Type: ApplicationFiled: December 15, 2020Publication date: April 8, 2021Applicant: ECOLAB USA, INC.Inventors: Zhengang Zong, Kun Xiong, Jeffrey R. Cramm, Xiaodong Huang, Jeremy Moloney, Ashish Dhawan
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Patent number: 10899910Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.Type: GrantFiled: December 30, 2019Date of Patent: January 26, 2021Assignee: ECOLAB USA INC.Inventors: Zhengang Zong, Kun Xiong, Jeffrey R. Cramm, Xiaodong Huang, Jeremy Moloney, Ashish Dhawan
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Publication number: 20200140653Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.Type: ApplicationFiled: December 30, 2019Publication date: May 7, 2020Applicant: ECOLAB USA, INC.Inventors: Zhengang Zong, Kun Xiong, Jeffrey R. Cramm, Xiaodong Huang, Jeremy Moloney, Ashish Dhawan
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Publication number: 20200080206Abstract: Disclosed are oleyl propylenediamine-based compounds used in compositions and methods for inhibiting corrosion. The method comprises introducing into a fluid source a composition comprising one or more oleyl propylenediamine-based compounds comprising Formula I: wherein Y1, Y2, and Y3 independently are hydrogen or a substituent of Formula (II): wherein V is —O— or —NH—, W is optionally present and is a linear or branched C1-10 aliphatic group, X is —H, —NZ3+, —COOH, —SO3H, —OSO3H2, —PO3H, —OPO3H2, or a salt thereof, each Z independently is hydrogen or a linear or branched C1-20 aliphatic group optionally interrupted or substituted with one or more oxygen atoms, and R is hydrogen or methyl, provided that at least one of Y1, Y2, or Y3 is a substituent of Formula (II).Type: ApplicationFiled: September 5, 2019Publication date: March 12, 2020Inventors: Zhengang Zong, Roger W. Fowee, Joe L. Schwartz, Ashish Dhawan, Jeremy Moloney
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Publication number: 20200068885Abstract: Disclosed herein are the methods of using specific di-cationic or multiple charged cationic compounds, which are derived from primary amine or polyamines through an aza-Michael addition with an ?, ?-unsaturated carbonyl compound or from polyamines through both an aza-Michael addition with an ?, ?-unsaturated carbonyl compound and a ring-opening reaction with an epoxide, in a fouling control composition to reduce microbial and/biofilm growth in a water system. The disclosed methods or compositions are found to be more effective than those methods or compositions including commonly used single quaternary compounds for reducing microbial or biofilm growth in water systems.Type: ApplicationFiled: August 28, 2019Publication date: March 5, 2020Inventors: ASHISH DHAWAN, Kun Xiong, CARTER M. SILVERNAIL, Zhengang Zong
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Patent number: 10563042Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.Type: GrantFiled: December 12, 2017Date of Patent: February 18, 2020Assignee: ECOLAB USA INC.Inventors: Zhengang Zong, Kun Xiong, Jeffrey R. Cramm, Xiaodong Huang, Jeremy Moloney, Ashish Dhawan
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Patent number: 10519602Abstract: An acrylamide-based polymer which contains one or more multiquaternized (“multiquat”) monomer unit(s) is provided. The acrylamide-based polymer can be used in a papermaking process to reduce pitch and stickies deposition, improve retention and drainage, and enhance dry strength properties of paper. Also included is a method of controlling pitch and stickies deposition in papermaking comprising treating pulp slurry with an acrylamide-based polymer which contains one or more multiquaternized (“multiquat”) monomer unit(s).Type: GrantFiled: June 14, 2018Date of Patent: December 31, 2019Assignee: Ecolab USA Inc.Inventors: Xiaojin Harry Li, Sergey M. Shevchenko, Ross Gray, Robert M. Lowe, David Jordan, Zhengang Zong
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Publication number: 20180363247Abstract: An acrylamide-based polymer which contains one or more multiquaternized (“multiquat”) monomer unit(s) is provided. The acrylamide-based polymer can be used in a papermaking process to reduce pitch and stickies deposition, improve retention and drainage, and enhance dry strength properties of paper. Also included is a method of controlling pitch and stickies deposition in papermaking comprising treating pulp slurry with an acrylamide-based polymer which contains one or more multiquaternized (“multiquat”) monomer unit(s).Type: ApplicationFiled: June 14, 2018Publication date: December 20, 2018Applicant: Ecolab USA Inc.Inventors: Xiaojin Harry Li, Sergey M. Shevchenko, Ross Gray, Robert M. Lowe, David Jordan, Zhengang Zong
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Publication number: 20180163020Abstract: A cationic polymer salt composition is provided that includes a reaction product derived from reaction of a polyamine or a polyalkyleneimine and a substituted alkyl trialkyl quaternary ammonium salt. Also provided are surfactant compositions. The compositions may also include carriers, such as water, methanol, ethanol, propanol, isopropanol, butanol, isobutanol, monoethyleneglycol, an ethyleneglycol monobutyl ether, and hexylene glycol.Type: ApplicationFiled: December 12, 2017Publication date: June 14, 2018Applicant: Ecolab USA, Inc.Inventors: Zhengang Zong, Kun Xiong, Jeffrey R. Cramm, Xiaodong Huang, Jeremy Moloney, Ashish Dhawan
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Patent number: 9388323Abstract: Disclosed are latex polymers and an aqueous coating compositions having excellent freeze-thaw stability, open time, stain resistance, low temperature film formation, foam resistance, block resistance, adhesion, water sensitivity and a low-VOC content. The latex polymers and aqueous coating compositions include at least one latex polymer derived from at least one monomer copolymerized or blended with an alkoxylated compound, for example an alkoxylated tristyrylphenol or an alkoxylated tributylphenol. Also provided is an aqueous coating composition including at least one latex polymer, at least one pigment, water and at least one freeze-thaw additive. Typically, the freeze-thaw additive in an amount greater than about 1.3% by weight of the polymer, typically in an amount greater than about 2% by weight of the polymer, in an amount greater than about 4% by weight of the polymer, in an amount greater than about 7.Type: GrantFiled: January 16, 2009Date of Patent: July 12, 2016Assignee: RHODIA OPERATIONSInventors: Zhengang Zong, Yi-Zhong Li, Jose Ruiz