Patents by Inventor Caspar Schoolderman
Caspar Schoolderman 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: 20230249127Abstract: The present invention relates to a method of capturing CO2 from a gas stream. The method uses a two liquid phase capture composition.Type: ApplicationFiled: July 14, 2021Publication date: August 10, 2023Applicant: C-Capture LtdInventors: Douglas Barnes, Caspar Schoolderman, Duncan Holdsworth, Christopher Rayner
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Publication number: 20220297053Abstract: The invention provides a method for the capture of at least one acid gas in a composition, the release of said gas from said composition and the subsequent regeneration of said composition for re-use. The method comprises the step of capturing an acid gas by contacting said acid gas with a capture composition comprising at least one salt of a carboxylic acid dissolved in a solvent system consisting substantially of water.Type: ApplicationFiled: June 7, 2022Publication date: September 22, 2022Applicant: C-Capture LtdInventors: Douglas Barnes, Caspar Schoolderman, Gergely Jakab, Christopher Rayner
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Patent number: 11351498Abstract: The invention provides a method for the capture of at least one acid gas in a composition, the release of said gas from said composition and the subsequent regeneration of said composition for re-use. The method comprises the step of capturing an acid gas by contacting said acid gas with a capture composition comprising at least one salt of a carboxylic acid dissolved in a solvent system consisting substantially of water.Type: GrantFiled: August 2, 2018Date of Patent: June 7, 2022Assignee: C-Capture LtdInventors: Douglas Barnes, Caspar Schoolderman, Gergely Jakab, Christopher Rayner
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Publication number: 20200206677Abstract: The invention provides a method for the capture of at least one acid gas in a composition, the release of said gas from said composition and the subsequent regeneration of said composition for re-use. The method comprises the step of capturing an acid gas by contacting said acid gas with a capture composition comprising at least one salt of a carboxylic acid dissolved in a solvent system consisting substantially of water.Type: ApplicationFiled: August 2, 2018Publication date: July 2, 2020Applicant: C-Capture LtdInventors: Douglas Barnes, Caspar Schoolderman, Gergely Jakab, Christopher Rayner
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Patent number: 10279307Abstract: In one aspect, the invention provides a method for the capture of at least one acid gas in a composition, the release of said gas from said composition, and the subsequent regeneration of said composition for re-use, said method comprising performing, in order, the steps of: (a) capturing the at least one acid gas by contacting said at least one gas with a capture composition comprising at least one salt of a carboxylic acid and at least one water-miscible non-aqueous solvent; (b) releasing said at least one acid gas by adding at least one protic solvent or agent to said composition; and (c) regenerating the capture composition by partial or complete removal of said added protic solvent or agent from said composition. Optionally, said capture composition comprising at least one salt of a carboxylic acid and at least one water-miscible non-aqueous solvent additionally comprises water or another protic solvent.Type: GrantFiled: December 19, 2014Date of Patent: May 7, 2019Assignee: C-Capture Ltd.Inventors: Christopher Mark Rayner, Douglas Cahalane Barnes, Gergely Jakab, Caspar Schoolderman
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Publication number: 20170001142Abstract: In one aspect, the invention provides a method for the capture of at least one acid gas in a composition, the release of said gas from said composition, and the subsequent regeneration of said composition for re-use, said method comprising performing, in order, the steps of: (a) capturing the at least one acid gas by contacting said at least one gas with a capture composition comprising at least one salt of a carboxylic acid and at least one water-miscible non-aqueous solvent; (b) releasing said at least one acid gas by adding at least one protic solvent or agent to said composition; and (c) regenerating the capture composition by partial or complete removal of said added protic solvent or agent from said composition. Optionally, said capture composition comprising at least one salt of a carboxylic acid and at least one water-miscible non-aqueous solvent additionally comprises water or another protic solvent.Type: ApplicationFiled: December 19, 2014Publication date: January 5, 2017Applicant: C-Capture LtdInventors: Christopher Mark Rayner, Douglas Cahalane Barnes, Gergely Jakab, Caspar Schoolderman
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Patent number: 9174955Abstract: The invention relates to a process for the manufacture of an epoxyethyl carboxylate or glycidyl carboxylate, including reacting a vinyl carboxylate or an allyl carboxylate using an oxidant and a water-soluble manganese complex in an aqueous reaction medium, and the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I) [LMnX3]Y (I), or a binuclear species of the general formula (II): [LMn(?-X)3MnL]Yn (II), wherein Mn is a manganese; L is a ligand and each L is independently a polydentate ligand, each X is independently a coordinating species and each ?-X is independently a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of from 1.0 to 7.0.Type: GrantFiled: January 26, 2011Date of Patent: November 3, 2015Assignee: HEXION INC.Inventors: Prasad Muppa, Ron Postma, Caspar Schoolderman, Sandra Rens, Kostas Stoitsas
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Patent number: 9145378Abstract: Processes are provided for the formation of an epoxyethyl ether or a glycidyl ether. In one embodiment, a process is provided for the manufacture of an epoxyethyl ether or glycidyl ether including reacting a vinyl ether or an allyl ether with an oxidant in the presence of a water-soluble manganese complex in an aqueous reaction medium, wherein the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear complex of the general formula (I): [LMnX3]Y (I), or a binuclear complex of the general formula (II): [LMn(?-X)3MnL](Y)n (II), wherein Mn is a manganese; L or each L independently is a polydentate ligand, each X independently is a coordinating species and each ?-X independently is a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of from 1.0 to 6.0. The invention also relates to epoxyethyl ethers.Type: GrantFiled: January 26, 2011Date of Patent: September 29, 2015Assignee: HEXION INC.Inventors: Prasad Muppa, Ron Postma, Caspar Schoolderman, Sandra Rens, Kostas Stoitsas
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Patent number: 8975423Abstract: Processes and compositions are provided for epoxidizing an olefinically unsaturated compound. In one embodiment, a process is provided for reacting an olefinically unsaturated compound with an oxidant in the presence of a catalyst at acidic conditions, wherein the catalyst is activated prior to the reaction at a pH that is higher than the pH during the reaction.Type: GrantFiled: January 26, 2011Date of Patent: March 10, 2015Assignee: Hexion Inc.Inventors: Prasad Muppa, Mark Kapellen, Caspar Schoolderman
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Patent number: 8735613Abstract: A process for the manufacture of propylene oxide (“PO”) by catalytic oxidation of propylene with an oxidant wherein the catalytic oxidation is performed in an aqueous reaction medium, comprising water with less than 10% by volume of cosolvents, wherein a water-soluble manganese complex is used as oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I): [LMnX3]Y ??(I) or a binuclear species of the general formula (II): [LMn(?-X)3MnL]Y2 ??(II) wherein Mn is a manganese; L or each L independently is a polydentate ligand, each X independently is a coordinating species and each ?-X independently is a bridging coordinating species, whereas Y is an non-coordinating counterion, and wherein the catalytic oxidation is carried out at a pH in the range of from 1.5 to 6.0.Type: GrantFiled: November 24, 2010Date of Patent: May 27, 2014Assignee: Momentive Specialty Chemicals Inc.Inventors: Prasad Muppa, Caspar Schoolderman, Sandra Rens Van Der Lee, Ron Postma
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Publication number: 20130006001Abstract: The invention relates to a process for the manufacture of an epoxyethyl carboxylate or glycidyl carboxylate, including reacting a vinyl carboxylate or an allyl carboxylate using an oxidant and a water-soluble manganese complex in an aqueous reaction medium, and the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I) [LMnX3]Y (I), or a binuclear species of the general formula (II): [LMn(??X)3MnL]Yn (II), wherein Mn is a manganese; L is a ligand and each L is independently a polydentate ligand, each X is independently a coordinating species and each ??X is independently a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of from 1.0 to 7.Type: ApplicationFiled: January 26, 2011Publication date: January 3, 2013Inventors: Prasad Muppa, Ron Postma, Caspar Schoolderman, Sandra Rens, Kostas Stoitsas
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Publication number: 20120330041Abstract: Processes are provided for the formation of an epoxyethyl ether or a glycidyl ether. In one embodiment, a process is provided for the manufacture of an epoxyethyl ether or glycidyl ether including reacting a vinyl ether or an allyl ether with an oxidant in the presence of a water-soluble manganese complex in an aqueous reaction medium, wherein the water-soluble manganese complex comprises an oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear complex of the general formula (I): [LMnX3]Y (I), or a binuclear complex of the general formula (II): [LMn(?-X)3MnL](Y)n (II), wherein Mn is a manganese; L or each L independently is a polydentate ligand, each X independently is a coordinating species and each ?-X independently is a bridging coordinating species, Y is a non-coordinating counter ion, and wherein the epoxidation is carried out at a pH in the range of from 1.0 to 6.0. The invention also relates to epoxyethyl ethers.Type: ApplicationFiled: January 26, 2011Publication date: December 27, 2012Inventors: Prasad Muppa, Ron Postma, Caspar Schoolderman, Sandra Rens, Kostas Stoitsas
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Publication number: 20120330042Abstract: Processes and compositions are provided for epoxidizing an olefinically unsaturated compound. In one embodiment, a process is provided for reacting an olefinically unsaturated compound with an oxidant in the presence of a catalyst at acidic conditions, wherein the catalyst is activated prior to the reaction at a pH that is higher than the pH during the reaction.Type: ApplicationFiled: January 26, 2011Publication date: December 27, 2012Inventors: Prasad Muppa, Mark Kapellen, Caspar Schoolderman
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Publication number: 20120289722Abstract: A process for the manufacture of propylene oxide (“PO”) by catalytic oxidation of propylene with an oxidant wherein the catalytic oxidation is performed in an aqueous reaction medium, comprising water with less than 10% by volume of cosolvents, wherein a water-soluble manganese complex is used as oxidation catalyst, characterized in that the water-soluble manganese complex is a mononuclear species of the general formula (I): [LMnX3]Y ??(I) or a binuclear species of the general formula (II): [LMn(?-X)3MnL]Y2 ??(II) wherein Mn is a manganese; L or each L independently is a polydentate ligand, each X independently is a coordinating species and each ?-X independently is a bridging coordinating species, whereas Y is an non-coordinating counterion, and wherein the catalytic oxidation is carried out at a pH in the range of from 1.5 to 6.0.Type: ApplicationFiled: November 24, 2010Publication date: November 15, 2012Inventors: Prasad Muppa, Caspar Schoolderman, Sandra Rens Van Der Lee, Ron Postma