Patents by Inventor Kouji Ohsaki
Kouji Ohsaki 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: 11884798Abstract: The present invention relates to a film comprising hydrophobically modified cellulose fibers in which cellulose fibers are bound to a modifying group at one or more members selected from anionic groups and hydroxyl groups, and an oil having an SP value of 10 or less. The film of the present invention can be utilized in the fields of materials for packaging containers for cosmetics and foods.Type: GrantFiled: October 3, 2022Date of Patent: January 30, 2024Assignee: KAO CORPORATIONInventors: Kouji Ohsaki, Yoshinori Hasegawa, Takuma Tsuboi
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Publication number: 20230037982Abstract: The present invention relates to a film comprising hydrophobically modified cellulose fibers in which cellulose fibers are bound to a modifying group at one or more members selected from anionic groups and hydroxyl groups, and an oil having an SP value of 10 or less. The film of the present invention can be utilized in the fields of materials for packaging containers for cosmetics and foods.Type: ApplicationFiled: October 3, 2022Publication date: February 9, 2023Applicant: KAO CORPORATIONInventors: Kouji OHSAKI, Yoshinori HASEGAWA, Takuma TSUBOI
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Patent number: 11499034Abstract: The present invention relates to a film comprising hydrophobically modified cellulose fibers in which cellulose fibers are bound to a modifying group at one or more members selected from anionic groups and hydroxyl groups, and an oil having an SP value of 10 or less. The film of the present invention can be utilized in the fields of materials for packaging containers for cosmetics and foods.Type: GrantFiled: March 6, 2018Date of Patent: November 15, 2022Assignee: KAO CORPORATIONInventors: Kouji Ohsaki, Yoshinori Hasegawa, Takuma Tsuboi
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Publication number: 20220259385Abstract: The present invention relates to the provision of an aqueous emulsion composition for producing a film showing slippery properties containing hydrophobically modified cellulose fibers and at the same time improving water resistance and durability of the film. Since the emulsion composition of the present invention is capable of forming a film having slippery properties, which can be utilized on various surfaces, for example, those in the fields of coatings for ships and bridges, cosmetics, and the like.Type: ApplicationFiled: July 31, 2020Publication date: August 18, 2022Applicant: KAO CORPORATIONInventors: Toshiaki TAKEUCHI, Yoshinori HASEGAWA, Takuya MASUDA, Kouji OHSAKI
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Publication number: 20200071491Abstract: The present invention relates to a film comprising hydrophobically modified cellulose fibers in which cellulose fibers are bound to a modifying group at one or more members selected from anionic groups and hydroxyl groups, and an oil having an SP value of 10 or less. The film of the present invention can be utilized in the fields of materials for packaging containers for cosmetics and foods.Type: ApplicationFiled: March 6, 2018Publication date: March 5, 2020Applicant: KAO CORPORATIONInventors: Kouji OHSAKI, Yoshinori HASEGAWA, Takuma TSUBOI
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Publication number: 20200062910Abstract: The present invention relates to a method for producing a cellulose-containing powder having a cellulose I crystallinity index of ?20% or more and less than 50%, including adding, to 100 parts by mass of cellulose-containing raw materials having a cellulose I crystallinity index of 10% or more and less than 100%, 0.1 parts by mass or more and 100 parts by mass or less of one or more additives selected from the group consisting of (A) high-molecular weight compounds having acid anhydrides, (B) low-molecular weight compounds having acid anhydrides, and (C) silane coupling agents; and subjecting a mixture to a milling treatment in a dry state. The cellulose-containing powder obtainable by the method of the present invention can be suitably used in various industrial applications such as daily sundries, household electric appliance parts, and automobile parts.Type: ApplicationFiled: December 25, 2017Publication date: February 27, 2020Applicant: KAO CORPORATIONInventors: Tomoya WADA, Kazutomo OHSAKI, Kohei YAMADA, Kouji OHSAKI, Shigehisa KAMIMURA, Naoki NOJIRI, Hiroaki KISHIMOTO
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Patent number: 8962822Abstract: The present invention provides a modified polyuronic acid represented by formula (1) or a salt thereof which is excellent in surface activity: wherein R1 is a hydrogen atom, a hydrocarbon group having 1 to 40 carbon atoms or the like; X is an oxygen atom, a sulfur atom or a —NH— group, with the proviso that a ratio value of [m/(m+n)] is from 0.3 to 1.0, and a plurality of the R1 groups being present in a molecule of the modified polyuronic acid or the salt thereof may be the same or different from each other but all of the R1 groups are not hydrogen atoms at the same time.Type: GrantFiled: October 14, 2011Date of Patent: February 24, 2015Assignee: Kao CorporationInventors: Kouji Ohsaki, Kazuaki Sato, Yuri Okutani
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Patent number: 8580284Abstract: Abstract Provided is an oil-based cosmetic preparation which retains a smooth feel. Provided is an oil-based cosmetic preparation containing the following components (A), (B), and (C): (A) a cellulose derivative having a cellulose skeleton in a main chain, in which 67 mol % or more in total hydroxyl groups are substituted with a group —O-M-R, wherein M represents CH2 or a carbonyl group C?O, and R represents a straight or branched alkyl or alkenyl group having 3 to 40 carbon atoms; (B) an ester oil which is liquid at 25° C.; and (C) a hydrocarbon oil which is liquid at 25° C., in which a weight ratio (B)/(C) of the component (B) to the component (C) is 8/1 to 1/4.Type: GrantFiled: September 24, 2009Date of Patent: November 12, 2013Assignee: Kao CorporationInventors: Eiko Tamura, Kouji Ohsaki, Kazuo Kuwahara, Kazuhiro Ishikawa, Kenko Kurita, Yu Saito
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Publication number: 20130245247Abstract: The present invention relates to a modified polyuronic acid represented by the following general formula (1) or a salt thereof which is excellent in surface activity: wherein R1 is a hydrogen atom, a hydrocarbon group having 1 to 40 carbon atoms or the like; X is an oxygen atom, a sulfur atom or a —NH— group, with the proviso that a ratio value of [m/(m+n)] is from 0.3 to 1.0, and a plurality of the R1 groups being present in a molecule of the modified polyuronic acid or the salt thereof may be the same or different from each other but all of the R1 groups are not hydrogen atoms at the same time.Type: ApplicationFiled: October 14, 2011Publication date: September 19, 2013Applicant: KAO CORPORATIONInventors: Kouji Ohsaki, Kazuaki Sato, Yuri Okutani
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Patent number: 8426351Abstract: The present invention provides a liquid softener composition having pH 2 to 5 at 20° C. and containing (a) a polymer compound having a weight-average molecular weight of 2,000 to 90,000 and containing specific monomer units (A) and (B) in a specific molar ratio, (b) one or more compounds selected from specific quaternary ammonium salts and amine compounds, and (c) at least one compound selected from water and solvents having a C log P value of 2 or less within specified ranges.Type: GrantFiled: December 12, 2007Date of Patent: April 23, 2013Assignee: Kao CorporationInventors: Kyoko Okada, Takahiro Osumi, Kazutaka Shiratsuchi, Noriaki Ushio, Kouji Ohsaki
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Publication number: 20110177143Abstract: Abstract Provided is an oil-based cosmetic preparation which retains a smooth feel. Provided is an oil-based cosmetic preparation containing the following components (A), (B), and (C): (A) a cellulose derivative having a cellulose skeleton in a main chain, in which 67 mol % or more in total hydroxyl groups are substituted with a group —O-M-R, wherein M represents CH2 or a carbonyl group C?O, and R represents a straight or branched alkyl or alkenyl group having 3 to 40 carbon atoms; (B) an ester oil which is liquid at 25° C.; and (C) a hydrocarbon oil which is liquid at 25° C., in which a weight ratio (B)/(C) of the component (B) to the component (C) is 8/1 to 1/4.Type: ApplicationFiled: September 24, 2009Publication date: July 21, 2011Applicant: KAO CorporationInventors: Eiko Tamura, Kouji Ohsaki, Kazuo Kuwahara, Kazuhiro Ishikawa, Kenko Kurita, Yu Saito
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Publication number: 20100017970Abstract: The present invention provides a liquid softener composition having pH 2 to 5 at 20° C. and containing (a) a polymer compound having a weight-average molecular weight of 2,000 to 90,000 and containing specific monomer units (A) and (B) in a specific molar ratio, (b) one or more compounds selected from specific quaternary ammonium salts and amine compounds, and (c) at least one compound selected from water and solvents having a C log P value of 2 or less within specified ranges.Type: ApplicationFiled: December 12, 2007Publication date: January 28, 2010Applicant: KAO CORPORATIONInventors: Kyoko Okada, Takahiro Osumi, Kazutaka Shiratsuchi, Noriaki Ushio, Kouji Ohsaki