Patents by Inventor Joseph D. Koob
Joseph D. Koob 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: 9289729Abstract: A method for making a composite polyamide membrane comprising the step of applying polyfunctional amine and acid halide monomers to a surface of a porous support and interfacially polymerizing the monomers to form a thin film polyamide layer. The method further includes the step of conducting the interfacial polymerization in the presence of: a carboxylic acid monomer comprising an aliphatic or aromatic moiety substituted with single carboxylic acid functional group and at least one acyl halide functional group, and a tri-hydrocarbyl compound.Type: GrantFiled: March 16, 2013Date of Patent: March 22, 2016Inventors: Abhishek Roy, Steven D. Jons, Joseph D. Koob, Martin H. Peery, XiaoHua Sam Qiu, Steven Rosenberg, Ian A. Tomlinson
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Patent number: 9073015Abstract: A method for making a composite polyamide membrane including the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a subject monomer comprising at least one carboxylic acid group linked to an aromatic moiety and wherein the aromatic moiety is further substituted with at least one of an acyl halide or anhydride functional group and ii) applying the subject monomer to the thin film polyamide layer. The invention includes many additional embodiments.Type: GrantFiled: January 3, 2013Date of Patent: July 7, 2015Assignee: Dow Global Technologies LLCInventors: Steven Rosenberg, Steven D. Jons, Joseph D. Koob, Mou Paul, XiaoHua Qiu, Abhishek Roy, Chunming Zhang, Aman A. Desai
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Patent number: 9051417Abstract: A method for increasing the solubility of a hydrocarbon compound comprising an aliphatic or arene moiety substituted with at least one acyl halide and at least one carboxylic acid functional group within a hydrocarbon solvent, wherein the method includes the step of preparing a solution comprising: at least 80 v/v % of the hydrocarbon solvent, the hydrocarbon compound, and a tri-hydrocarbyl phosphate compound, wherein the concentration of the hydrocarbon compound is greater than its solubility limit within the solvent but less than its solubility limit in the solution and the hydrocarbon.Type: GrantFiled: March 16, 2013Date of Patent: June 9, 2015Assignee: Dow Global Technologies LLCInventors: XiaoHua Sam Qiu, Steven D. Jons, Joseph D. Koob, Martin H. Peery, Steven Rosenberg, Abhishek Roy, Ian A. Tomlinson
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Patent number: 9051227Abstract: An in-situ method for preparing a hydrolyzed, acyl halide-containing compound by combining a reactant including a plurality of acyl halide functional groups containing reactant, a tri-hydrocarbyl phosphate compound and water within a hydrocarbon or halogenated hydrocarbon solvent.Type: GrantFiled: March 16, 2013Date of Patent: June 9, 2015Assignee: Dow Global Technologies LLCInventors: Abhishek Roy, Steven D. Jons, Joseph D. Koob, Martin H. Peery, XiaoHua Sam Qiu, Steven Rosenberg, Ian A. Tomlinson
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Patent number: 9029600Abstract: A method for preparing a high purity (e.g. greater than 70 wt. %) mono-hydrolyzed acyl halide compound as a precipitate from solution comprising the steps of preparing a solution comprising: i) at least 80 v/v % of a hydrocarbon solvent, ii) water at a molar concentration greater than its solubility limit within the solvent but less that its solubility limit in solution, iii) a tri-hydrocarbyl phosphate compound, and iv) a polyfunctional acyl halide compound at molar ratio to both water and the tri-hydrocarbyl phosphate compound of at least 1:1.Type: GrantFiled: September 14, 2012Date of Patent: May 12, 2015Assignee: Dow Global Technologies LLCInventors: XiaoHua S. Qiu, Steven D. Jons, Joseph D. Koob, Martin H. Peery, Steven Rosenberg, Abhishek Roy, Ian A. Tomlinson
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Patent number: 8968828Abstract: A method for making a composite polyamide membrane comprising the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a C2-C20 aliphatic monomer comprising at least one carboxylic acid functional group or salt thereof, and a single amine-reactive functional group; and ii) applying a C2-C20 aliphatic monomer comprising at least one carboxylic acid functional group or salt thereof, and a single amine-reactive functional group to the thin film polyamide layer. Many additional embodiments are described including applications for such membranes.Type: GrantFiled: January 20, 2012Date of Patent: March 3, 2015Assignee: Dow Global Technologies LLCInventors: Abhishek Roy, Steven D. Jons, Joseph D. Koob, Mou Paul, XiaoHua Sam Qiu, Steven Rosenberg
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Publication number: 20140370191Abstract: A method for making a composite polyamide membrane including the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a subject monomer comprising at least one carboxylic acid group linked to an aromatic moiety and wherein the aromatic moiety is further substituted with at least one of an acyl halide or anhydride functional group and ii) applying the subject monomer to the thin film polyamide layer. The invention includes many additional embodiments.Type: ApplicationFiled: January 3, 2013Publication date: December 18, 2014Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Steven Rosenberg, Steven D. Jons, Joseph D. Koob, Mou Paul, XiaoHua Qiu, Abhishek Roy, Chunming Zhang, Aman A. Desai
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Publication number: 20140264162Abstract: A method for increasing the solubility of a hydrocarbon compound comprising an aliphatic or arene moiety substituted with at least one acyl halide and at least one carboxylic acid functional group within a hydrocarbon solvent, wherein the method includes the step of preparing a solution comprising: at least 80 v/v % of the hydrocarbon solvent, the hydrocarbon compound, and a tri-hydrocarbyl phosphate compound, wherein the concentration of the hydrocarbon compound is greater than its solubility limit within the solvent but less than its solubility limit in the solution and the hydrocarbon.Type: ApplicationFiled: March 16, 2013Publication date: September 18, 2014Applicant: Dow Global Technologies LLCInventors: XiaoHua Sam Qiu, Steven D. Jons, Joseph D. Koob, Martin H. Peery, Steven Rosenberg, Abhishek Roy, Ian A. Tomlinson
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Publication number: 20140272134Abstract: A method for making a composite polyamide membrane comprising the step of applying polyfunctional amine and acid halide monomers to a surface of a porous support and interfacially polymerizing the monomers to form a thin film polyamide layer. The method further includes the step of conducting the interfacial polymerization in the presence of: a carboxylic acid monomer comprising an aliphatic or aromatic moiety substituted with single carboxylic acid functional group and at least one acyl halide functional group, and a tri-hydrocarbyl compound.Type: ApplicationFiled: March 16, 2013Publication date: September 18, 2014Applicant: Dow Global Technologies LLCInventors: Abhishek Roy, Steven D. Jons, Joseph D. Koob, Martin H. Peery, XiaoHua Sam Qiu, Steven Rosenberg, Ian A. Tomlinson
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Publication number: 20140264161Abstract: An in-situ method for preparing a hydrolyzed, acyl halide-containing compound by combining a reactant including a plurality of acyl halide functional groups containing reactant, a tri-hydrocarbyl phosphate compound and water within a hydrocarbon or halogenated hydrocarbon solvent.Type: ApplicationFiled: March 16, 2013Publication date: September 18, 2014Applicant: Dow Global Technologies LLCInventors: Abhishek Roy, Steven D. Jons, Joseph D. Koob, Martin H. Peery, XiaoHua Sam Qiu, Steven Rosenberg, Ian A. Tomlinson
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Publication number: 20140206900Abstract: A method for preparing a high purity (e.g. greater than 70 wt. %) mono-hydrolyzed acyl halide compound as a precipitate from solution comprising the steps of preparing a solution comprising: i) at least 80 v/v % of a hydrocarbon solvent, ii) water at a molar concentration greater than its solubility limit within the solvent but less that its solubility limit in solution, iii) a tri-hydrocarbyl phosphate compound, and iv) a polyfunctional acyl halide compound at molar ratio to both water and the tri-hydrocarbyl phosphate compound of at least 1:1.Type: ApplicationFiled: September 14, 2012Publication date: July 24, 2014Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: XiaoHua S. Qiu, Steven D. Jons, Joseph D. Koob, Martin H. Peery, Steven Rosenberg, Abhishek Roy, Ian A. Tomlinson
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Publication number: 20130287945Abstract: A method for making a composite polyamide membrane comprising the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a C2-C20 aliphatic monomer comprising at least one carboxylic acid functional group or salt thereof, and a single amine-reactive functional group; and ii) applying a C2-C20 aliphatic monomer comprising at least one carboxylic acid functional group or salt thereof, and a single amine-reactive functional group to the thin film polyamide layer. Many additional embodiments are described including applications for such membranes.Type: ApplicationFiled: January 20, 2012Publication date: October 31, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Abhishek Roy, Steven D. Jons, Joseph D. Koob, Mou Paul, XiaoHua Sam Qiu, Steven Rosenberg
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Publication number: 20130287946Abstract: A method for making a composite polyamide membrane including the steps of applying a polyfunctional amine monomer and polyfunctional acid halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of an additional monomer comprising an aromatic moiety at least one carboxylic acid functional group or salt thereof and a single amine-reactive functional group; and/or ii) applying such a monomer to the thin film polyamide layer. Many additional embodiments are described including applications for such membranes.Type: ApplicationFiled: January 20, 2012Publication date: October 31, 2013Applicant: Dow Global Technologies LLCInventors: Steven D. Jons, Joseph D. Koob, Mou Paul, XiaoHua Sam Qiu, Steven Rosenberg, Abhishek Roy
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Publication number: 20130287944Abstract: A method for making a composite polyamide membrane including the steps of applying a polyfunctional amine monomer and polyfunctional acyl halide monomer to a surface of the porous support and interfacially polymerizing the monomers to form a thin film polyamide layer, wherein the method is includes at least one of the following steps: i) conducting the interfacial polymerization in the presence of a subject monomer comprising an aromatic moiety substituted with a single carboxylic acid functional group or salt thereof and a single amine-reactive functional group; and/or ii) applying such a monomer to the thin film polyamide layer. Many additional embodiments are described including applications for such membranes.Type: ApplicationFiled: January 20, 2012Publication date: October 31, 2013Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Mou Paul, Steven D. Jons, Joseph D. Koob, XiaoHua Sam Qiu, Steven Rosenberg, Abhishek Roy