Patents by Inventor Yuusuke SAITOU
Yuusuke SAITOU 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: 11795404Abstract: Provided is a composition for removing a sulfur-containing compound contained in at least one of a liquid and gas, the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an —SH group-containing compound, the composition containing an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25° C.Type: GrantFiled: February 20, 2019Date of Patent: October 24, 2023Assignee: KURARAY CO., LTD.Inventors: Naoya Minamoto, Yuusuke Saitou, Takuo Tsuruta
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Patent number: 11434433Abstract: Provided is a composition for removal of a sulfur-containing compound in a liquid or gas, wherein the sulfur-containing compound is at least one selected from the group consisting of hydrogen sulfide and a compound containing an —SH group, and the composition contains an aldehyde and a polyvalent amine represented by the general formula (1).Type: GrantFiled: November 20, 2017Date of Patent: September 6, 2022Assignee: KURARAY CO., LTD.Inventors: Masaki Shimizu, Yuusuke Saitou, Takuo Tsuruta
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Patent number: 11291947Abstract: Provided is a composition for removing a sulfur-containing compound present in liquid or vapor, the sulfur-containing compound being hydrogen sulfide, an —SH group-containing compound or a mixture thereof, the composition containing an ?,?-unsaturated aldehyde represented by the following general formula (1) as an active ingredient; wherein R1 and R2 each independently represent an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms or an aryl group having 6 to 12 carbon atoms, or are connected to each other to represent an alkylene group having 2 to 6 carbon atoms; and R3 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, or is connected to R1 to represent an alkylene group having 2 to 6 carbon atoms.Type: GrantFiled: June 21, 2017Date of Patent: April 5, 2022Assignee: KURARAY CO., LTD.Inventors: Masaki Shimizu, Yuusuke Saitou, Takuo Tsuruta, Takahiro Suzuki, Junichi Fuji
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Publication number: 20210032548Abstract: Provided is a composition for removing a sulfur-containing compound contained in at least one of a liquid and gas, the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an —SH group-containing compound, the composition containing an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25° C.Type: ApplicationFiled: February 20, 2019Publication date: February 4, 2021Applicant: KURARAY CO., LTD.Inventors: Naoya MINAMOTO, Yuusuke SAITOU, Takuo TSURUTA
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Patent number: 10811165Abstract: [Problem] To provide an insulation material that has an excellent volume resistivity while retaining the balance among various capabilities including the mechanical strength, the heat resistance, the oil resistance, the bleed-out resistance, the plasticizer migration resistance, and the like, equivalent to a resin composition containing an ordinary phthalate ester. [Solution] An insulation material containing a resin composition containing: an ester (i) having one or more constitutional unit represented by the following formula (A) (wherein R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms); and a resin (ii).Type: GrantFiled: December 3, 2015Date of Patent: October 20, 2020Assignee: KURARAY CO., LTD.Inventors: Yuusuke Saitou, Takahiro Suzuki, Junichi Fuji
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Publication number: 20200283357Abstract: An apparatus for removing a sulfur-containing compound, including: a sulfur-containing compound removing part of bringing a gas to be treated containing a sulfur-containing compound into contact with an oil-soluble sulfur-containing compound absorbing agent, so as to remove the sulfur-containing compound; and a mixing part of mixing a sulfur-containing compound absorbed agent resulted from having the sulfur-containing compound absorbed to the sulfur-containing compound absorbing agent, and a non-aqueous liquid.Type: ApplicationFiled: April 27, 2018Publication date: September 10, 2020Applicant: KURARAY CO., LTD.Inventors: Takuo TSURUTA, Masaki SHIMIZU, Yuusuke SAITOU
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Publication number: 20200017781Abstract: A method for suppressing metal corrosion attributable to a compound having an SH structure contained in a hydrocarbon, including adding at least one aldehyde selected from the group consisting of a monoaldehyde having 4 or more carbon atoms and a dialdehyde having 3 or more carbon atoms, to the hydrocarbon.Type: ApplicationFiled: September 27, 2017Publication date: January 16, 2020Applicant: KURARAY CO., LTD.Inventors: Yuusuke SAITOU, Masaki SHIMIZU, Takuo TSURUTA
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Publication number: 20190329175Abstract: Provided is a composition for removing a sulfur-containing compound present in liquid or vapor, the sulfur-containing compound being hydrogen sulfide, an —SH group-containing compound or a mixture thereof, the composition containing an ?,?-unsaturated aldehyde represented by the following general formula (1) as an active ingredient; wherein R1 and R2 each independently represent an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms or an aryl group having 6 to 12 carbon atoms, or are connected to each other to represent an alkylene group having 2 to 6 carbon atoms; and R3 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, or is connected to R1 to represent an alkylene group having 2 to 6 carbon atoms.Type: ApplicationFiled: June 21, 2017Publication date: October 31, 2019Applicant: KURARAY CO., LTD.Inventors: Masaki SHIMIZU, Yuusuke SAITOU, Takuo TSURUTA, Takahiro SUZUKI, Junichi FUJI
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Publication number: 20190330541Abstract: Provided is a composition for removal of a sulfur-containing compound in a liquid or gas, wherein the sulfur-containing compound is at least one selected from the group consisting of hydrogen sulfide and a compound containing an —SH group, and the composition contains an aldehyde and a polyvalent amine represented by the general formula (1).Type: ApplicationFiled: November 20, 2017Publication date: October 31, 2019Applicant: KURARAY CO., LTDInventors: Masaki SHIMIZU, Yuusuke SAITOU, Takuo TSURUTA
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Publication number: 20190241822Abstract: Provided is a composition for removing iron sulfide, containing, as an active ingredient, an ?,?-unsaturated aldehyde represented by the following general formula (1): wherein R1 to R3 each independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or an aryl group having 6 to 12 carbon atoms, provided that R1 may be connected to R2 or R3, to constitute an alkylene group having 2 to 6 carbon atoms; and that R1 and R2 are not a hydrogen atom at the same time.Type: ApplicationFiled: June 21, 2017Publication date: August 8, 2019Applicant: KURARAY CO., LTD.Inventors: Masaki SHIMIZU, Yuusuke SAITOU, Takuo TSURUTA, Junichi FUJI
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Patent number: 10294428Abstract: Provided is a composition capable of safely and efficiently removing a sulfur-containing compound, especially hydrogen sulfide, an —SH group-containing compound or a mixture thereof contained in a hydrocarbon, and not causing metal corrosion in devices. The composition is for removing a sulfur-containing compound in a hydrocarbon, wherein the sulfur-containing compound is hydrogen sulfide, an —SH group-containing compound or a mixture thereof, and the composition contains a dialdehyde having 6 to 16 carbon atoms and a polyalkylene glycol.Type: GrantFiled: January 26, 2016Date of Patent: May 21, 2019Assignee: KURARAY CO., LTD.Inventors: Takahiro Suzuki, Yuusuke Saitou
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Publication number: 20180010056Abstract: Provided is a composition capable of safely and efficiently removing a sulfur-containing compound, especially hydrogen sulfide, an —SH group-containing compound or a mixture thereof contained in a hydrocarbon, and not causing metal corrosion in devices. The composition is for removing a sulfur-containing compound in a hydrocarbon, wherein the sulfur-containing compound is hydrogen sulfide, an —SH group-containing compound or a mixture thereof, and the composition contains a dialdehyde having 6 to 16 carbon atoms and a polyalkylene glycol.Type: ApplicationFiled: January 26, 2016Publication date: January 11, 2018Applicant: KURARAY CO., LTD.Inventors: Takahiro SUZUKI, Yuusuke SAITOU
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Publication number: 20170271042Abstract: [Problem] To provide an insulation material that has an excellent volume resistivity while retaining the balance among various capabilities including the mechanical strength, the heat resistance, the oil resistance, the bleed-out resistance, the plasticizer migration resistance, and the like, equivalent to a resin composition containing an ordinary phthalate ester. [Solution] An insulation material containing a resin composition containing: an ester (i) having one or more constitutional unit represented by the following formula (A) (wherein R1 and R2 each independently represent an alkyl group having from 1 to 4 carbon atoms); and a resin (ii).Type: ApplicationFiled: December 3, 2015Publication date: September 21, 2017Applicant: KURARAY CO., LTD.Inventors: Yuusuke SAITOU, Takahiro SUZUKI, Junichi FUJI