Patents by Inventor Yoshinori Mitsuda
Yoshinori Mitsuda 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: 20230332050Abstract: In addition to an organic solvent (B), an inorganic metal compound (C), and water as component (D), a sulfonate composition disclosed in the present invention contains a compound (A) represented by ROOC—(CH2)p—CH(SO3M)—CH2—(CH2)q—COOR?, where M represents a cation, R and R? independently represent a group selected from an alkyl group with 10 carbons and an alkenyl group with 10 carbons, p and q each represent a number of 0 to 18, and a total of p and q is 0 to 18. The mass ratios of components (A), (B), (C), and (D) to the total content of the components (A)-(D) are as follows: 0.05?A/(A+B+C+D)?0.71, B/(A+B+C+D)?0.05, C/(A+B+C+D)>0, and 0.10<D/(A+B+C+D)<0.60.Type: ApplicationFiled: December 21, 2021Publication date: October 19, 2023Applicant: KAO CORPORATIONInventors: Yoshinori MITSUDA, Keisuke CHIBA, Masato NOMURA, Yuuki MORISHIGE
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Publication number: 20230331666Abstract: A method for producing a sulfonate composition including, reacting a diester of a predetermined unsaturated carboxylic acid [hereinafter referred to as component (A)] in the presence of one or more solvents selected from (B) (B1) an organic solvent [hereinafter referred to as component (B1)] and (B2) water [hereinafter referred to as component (B2)] with (C) a sulfonating agent to obtain a mixture containing (S) a predetermined sulfonate having a diester structure [hereinafter referred to as component (S)], and removing an insoluble component from the mixture, wherein in the mixture from which the removal of the insoluble component is made, the content of component (B1) to a total content of components (S), (B1) and (B2) is 0.05 or more and 0.65 or less, and the content of component (B2) to the total content of components (S), (B1) and (B2) is 0.03 or more and 0.26 or less.Type: ApplicationFiled: December 21, 2021Publication date: October 19, 2023Applicant: KAO CORPORATIONInventors: Yoshinori MITSUDA, Keisuke CHIBA, Masato NOMURA
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Patent number: 10328008Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.Type: GrantFiled: August 10, 2017Date of Patent: June 25, 2019Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi, Yoshifumi Nishimoto
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Patent number: 10201488Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.Type: GrantFiled: June 16, 2017Date of Patent: February 12, 2019Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yoshifumi Nishimoto, Yasuhiro Doi
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Patent number: 9877907Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, light foam quality, and instantaneous foam dissipation property, and a cleansing composition containing the internal olefin sulfonate composition. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 12 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10, and a total content of the component (A) and the component (B) in the internal olefin sulfonate is from 60 to 100% by mass.Type: GrantFiled: March 6, 2017Date of Patent: January 30, 2018Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
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Patent number: 9861567Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam spreadability, and foam dissipation property, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 70/30, and a content of the internal olefin sulfonate having 18 or more carbon atoms is 5% by mass or less.Type: GrantFiled: January 31, 2014Date of Patent: January 9, 2018Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
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Patent number: 9861566Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam lubricity and volume of foam, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 80/20 to 90/10.Type: GrantFiled: January 31, 2014Date of Patent: January 9, 2018Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
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Publication number: 20170340541Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.Type: ApplicationFiled: August 10, 2017Publication date: November 30, 2017Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
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Patent number: 9815779Abstract: The present invention provides a method for producing a high-quality internal olefin sulfonate in which the content of any internal olefin and inorganic substance is small. This method for producing an internal olefin sulfonate, comprising: a sulfonating step of causing an internal olefin to react with sulfur trioxide to yield a sulfonated internal olefin; a neutralizing step of mixing the resultant sulfonated internal olefin with an aqueous alkaline solution at 40° C. or lower to yield a mixture, and applying shearing force to the mixture until the particle diameter of oil droplets of an oily product of the mixture turns to 10 ?m or less to yield a neutralized product; and a hydrolyzing step of hydrolyzing the resultant neutralized product.Type: GrantFiled: November 27, 2014Date of Patent: November 14, 2017Assignee: KAO CORPORATIONInventors: Hiroshi Hori, Yohei Yoshikawa, Yoshinori Mitsuda, Toku Fujioka, Yoshifumi Nishimoto
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Patent number: 9789045Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.Type: GrantFiled: January 31, 2014Date of Patent: October 17, 2017Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
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Publication number: 20170281498Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.Type: ApplicationFiled: June 16, 2017Publication date: October 5, 2017Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yoshifumi NISHIMOTO, Yasuhiro DOI
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Patent number: 9713584Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.Type: GrantFiled: September 19, 2013Date of Patent: July 25, 2017Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yoshifumi Nishimoto, Yasuhiro Doi
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Publication number: 20170172881Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, light foam quality, and instantaneous foam dissipation property, and a cleansing composition containing the internal olefin sulfonate composition. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 12 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10, and a total content of the component (A) and the component (B) in the internal olefin sulfonate is from 60 to 100% by mass.Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
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Patent number: 9622952Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, light foam quality, and instantaneous foam dissipation property, and a cleansing composition containing the internal olefin sulfonate composition. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 12 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10, and a total content of the component (A) and the component (B) in the internal olefin sulfonate is from 60 to 100% by mass.Type: GrantFiled: January 31, 2014Date of Patent: April 18, 2017Assignee: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yasuhiro Doi
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Publication number: 20160332961Abstract: The present invention provides a method for producing a high-quality internal olefin sulfonate in which the content of any internal olefin and inorganic substance is small. This method for producing an internal olefin sulfonate, comprising: a sulfonating step of causing an internal olefin to react with sulfur trioxide to yield a sulfonated internal olefin; a neutralizing step of mixing the resultant sulfonated internal olefin with an aqueous alkaline solution at 40° C. or lower to yield a mixture, and applying shearing force to the mixture until the particle diameter of oil droplets of an oily product of the mixture turns to 10 ?m or less to yield a neutralized product; and a hydrolyzing step of hydrolyzing the resultant neutralized product.Type: ApplicationFiled: November 27, 2014Publication date: November 17, 2016Applicant: KAO CORPORATIONInventors: Hiroshi HORI, Yohei YOSHIKAWA, Yoshinori MITSUDA, Toku FUJIOKA, Yoshifumi NISHIMOTO
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Publication number: 20160000678Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam dissipation property free from a slimy feeling during rinsing, and a feel after cleansing and subsequent drying, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 12 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10.Type: ApplicationFiled: January 31, 2014Publication date: January 7, 2016Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
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Publication number: 20150366774Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam lubricity and volume of foam, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, in which a content mass ratio of the component (A) to the component (B), (A/B), is from 80/20 to 90/10.Type: ApplicationFiled: January 31, 2014Publication date: December 24, 2015Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
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Publication number: 20150366775Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, light foam quality, and instantaneous foam dissipation property, and a cleansing composition containing the internal olefin sulfonate composition. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 12 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 90/10, and a total content of the component (A) and the component (B) in the internal olefin sulfonate is from 60 to 100% by mass.Type: ApplicationFiled: January 31, 2014Publication date: December 24, 2015Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
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Publication number: 20150359719Abstract: Provided are an internal olefin sulfonate composition which is capable of sufficiently enhancing foamability, foam spreadability, and foam dissipation property, and a cleansing composition containing the same. The internal olefin sulfonate composition comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 14 carbon atoms, wherein a content mass ratio of the component (A) to the component (B), (A/B), is from 10/90 to 70/30, and a content of the internal olefin sulfonate having 18 or more carbon atoms is 5% by mass or less.Type: ApplicationFiled: January 31, 2014Publication date: December 17, 2015Applicant: KAO CORPORATIONInventors: Yohei YOSHIKAWA, Yoshinori MITSUDA, Hiroshi HORI, Yasuhiro DOI
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Publication number: 20150202134Abstract: Provided is an internal olefin sulfonate composition which is capable of exerting good foamability together with good volume of foam, foaming speed, foam dissipation property, foam quality, foam durability in the presence of sebum, and volume of foam in the presence of sebum at high levels, and a cleansing composition containing the same. The internal olefin sulfonate composition of the present invention comprises (A) an internal olefin sulfonate having 16 carbon atoms and (B) an internal olefin sulfonate having 18 carbon atoms, wherein a mass content ratio (A/B) of component (A) to component (B) is from 75/25 to 90/10, and wherein a mass ratio (hydroxy form/olefin form) of a content of a hydroxy form in the internal olefin sulfonate of the component (A) and the component (B) to a content of an olefin form in the internal olefin sulfonate of the component (A) and the component (B) is from 75/25 to 100/0.Type: ApplicationFiled: September 19, 2013Publication date: July 23, 2015Applicant: KAO CORPORATIONInventors: Yohei Yoshikawa, Yoshinori Mitsuda, Hiroshi Hori, Yoshifumi Nishimoto, Yasuhiro Doi