Patents Assigned to Toagosei Co., Ltd.
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Publication number: 20230250198Abstract: The present invention provides a nanocellulose that does not contain a N-oxyl compound in the cellulose fibers, exhibits an excellent dispersion stability in dispersion media, is the oxide of a cellulose raw material by a hypochlorous acid or a salt thereof, and has an average fiber width of from at least 1 nm to not more than 200 nm. The nanocellulose substantially does not contain a N-oxyl compound and has a zeta potential of less than or equal to ?30 mV.Type: ApplicationFiled: July 9, 2021Publication date: August 10, 2023Applicant: TOAGOSEI CO., LTD.,Inventors: Shiroshi MATSUKI, Toshihiko TSUIKI, Jun TAKADA, Hidenari KAYANO
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Publication number: 20230253140Abstract: This adhesively-laminated core manufacturing method is a method for manufacturing an adhesively-laminated core by punching a plurality of steel sheet parts while a strip-shaped steel sheet is fed and laminating the steel sheet parts via an adhesive, and includes a step of forming a curing acceleration portion by applying and drying a curing accelerator on one or both surfaces of the strip-shaped steel sheet before a pressing oil is applied, and a step of applying the pressing oil to a surface of the curing acceleration portion.Type: ApplicationFiled: July 6, 2021Publication date: August 10, 2023Applicants: NIPPON STEEL CORPORATION, TOAGOSEI CO., LTD.Inventors: Kazutoshi TAKEDA, Shinsuke TAKATANI, Ryu HIRAYAMA, Yoshiaki IWASE, Makoto NIWA, Masashi YAMADA
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Publication number: 20230250197Abstract: The present invention provides an oxidized cellulose that exhibits an excellent fibrillatability and is an oxide of a cellulose raw material by a hypochlorous acid or a salt thereof. The oxidized cellulose substantially does not contain a N-oxyl compound and has a degree of polymerization of not more than 600.Type: ApplicationFiled: July 9, 2021Publication date: August 10, 2023Applicant: TOAGOSEI CO., LTD.Inventors: Shiroshi MATSUKI, Toshihiko TSUIKI, Jun TAKADA, Hidenari KAYANO
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Publication number: 20230241570Abstract: A method of producing a low-odor emulsion includes: charging an aqueous polymer emulsion into a treatment vessel and supplying pressurized water vapor into the vessel through a supply passage, while maintaining the inside of the vessel in a state where water is boiled by bringing temperature of the aqueous polymer emulsion into a range of 50-90° C. and pressure in the vessel into 12 KPa to 57 KPa; and discharging water vapor in a gas phase part in the vessel and a volatile organic compound volatilized from the aqueous polymer emulsion to outside of a system. A ratio of an inner diameter of the vessel to an opening diameter of a supply opening for supplying the pressurized water vapor from the supply passage into the vessel is from 30 to 3000 for the inner diameter of the vessel relative to 1 for the opening diameter of the supply opening.Type: ApplicationFiled: April 6, 2023Publication date: August 3, 2023Applicant: TOAGOSEI CO., LTD.Inventors: Hiroyuki Shibata, Masaru Terada
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Patent number: 11713360Abstract: An object of the present invention is to provide an efficient method for producing cellulose nanofibers, without N-oxyl compounds such as TEMPO remaining in the cellulose nanofibers. Provided is a method for producing cellulose nanofibers, the method including: oxidizing a cellulose raw material with hypochlorous acid, or a salt thereof, having an available chlorine concentration of from 14% by mass to 43% by mass, to produce an oxidized cellulose; and fibrillating the oxidized cellulose into nanofibers.Type: GrantFiled: June 1, 2018Date of Patent: August 1, 2023Assignee: TOAGOSEI CO., LTD.Inventors: Daisuke Kamiya, Shiroshi Matsuki
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Publication number: 20230235164Abstract: A sealing composition and a sealing method for a coated electric cable have excellent sealing performance even under conditions such as cooling-heating cycles or high temperature and humidity. The coated electric cable sealing composition is for sealing a core wires connection section formed by electrically connecting multiple core wires exposed from multiple coated electric wires, and features having a hardening time of 10 minutes or less at 130° C., and permeating to inside of the coated electric wires at a height of 5 mm or more at the time point of hardening while the exposed parts of the core wires including the core wires connection section and the boundary part between the coated parts and the exposed parts of the core wires are immersed perpendicularly in the coated electric cable sealing composition filled in a resin cap and the sealing composition is heated to be cured.Type: ApplicationFiled: June 29, 2021Publication date: July 27, 2023Applicant: TOAGOSEI CO., LTD.Inventors: Yuko SUZUKI, Masashi YAMADA, Hiroyuki YAMAGA
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Patent number: 11643576Abstract: A pressure-sensitive adhesive composition includes a block copolymer containing a polymer block (A) and a (meth)acrylic polymer block (B), wherein the polymer block (A) contains either or both of a maleimide compound and an amide group-containing vinyl compound as a constitutional monomer thereof and has a glass transition temperature of 100° C. or higher, and the (meth)acrylic polymer block (B) contains at least one selected from compounds represented by general formula (1) as a major constitutional monomer thereof and has a glass transition temperature of 10° C. or below. CH2?CR1—C(?O)O(R2O)n—R3??(1) (wherein, R1 represents hydrogen or a methyl group; R2 represents a linear or branched C2-6 alkylene group; R3 represents hydrogen, a C1-20 alkyl group, or a C6-20 aryl group; and n represents 0 or an integer from 1 to 100.Type: GrantFiled: February 9, 2018Date of Patent: May 9, 2023Assignee: TOAGOSEI CO. LTD.Inventors: Michihiro Kaai, Kenichi Nakamura, Akitsugu Shibata
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Patent number: 11641045Abstract: An ion trapping agent which is a layered phosphate compound that includes a proton as an ion exchange group, that supports lithium ions in excess of a theoretical exchange capacity of the layered phosphate compound, and that has no water of crystallization; and a separator for a lithium ion battery or a lithium ion secondary battery containing the ion trapping agent.Type: GrantFiled: December 4, 2018Date of Patent: May 2, 2023Assignee: TOAGOSEI CO., LTD.Inventor: Yasuharu Ono
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Publication number: 20230128852Abstract: A silsesquioxane derivative that can further contribute to improving heat conductivity. The silsesquioxane derivative represented in the following formula forms a matrix having exceptional heat conductivity due to curing. [C5] [SiO4/2]s[R1—SiO3/2]t[R2—SiO3/2]u[H—SiO3/2]v[R32—SiO2/2]w[H,R42—SiO1/2]x[R53—SiO1/2]y??(1) [in the formula, R1 is a hydrosilylation-reactive organic group having a carbon-carbon unsaturated bond and having 2 to 30 carbon atoms, R2, R3, R4 and R5 are each independently at least one selected from the group consisting of an alkyl group having 1 to 10 carbon atoms, an aryl group having 5 to 10 carbon atoms and an aralkyl group having 6 to 10 carbon atoms, t, u, w and x are a positive number, and s, v and y are 0 or a positive number].Type: ApplicationFiled: January 28, 2021Publication date: April 27, 2023Applicants: TOAGOSEI CO., LTD., NAGOYA INSTITUTE OF TECHNOLOGYInventors: Yoshiaki IWASE, Yuji IWAMOTO, Sawao HONDA, Yusuke DAIKO, Yusuke KAKUTANI
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Patent number: 11634670Abstract: A semiconductor cleaning agent containing a sulfonic acid group-containing polymer, wherein a content of at least one metal selected from the group consisting of Na, Al, K, Ca and Fe is 0.7 ppm or less.Type: GrantFiled: October 30, 2019Date of Patent: April 25, 2023Assignee: TOAGOSEI CO. LTD.Inventors: Ryosuke Yamauchi, Akihiro Gotou
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Patent number: 11624009Abstract: An adhesive composition containing (A) a modified polyolefin resin and (B) an epoxy compound, wherein the modified polyolefin resin (A) is a polyolefin resin graft modified with a modifying agent that contains an ?,?-unsaturated carboxylic acid or a derivative thereof. The content of the epoxy compound (B) is 1-20 parts by mass relative to 100 parts by mass of the modified polyolefin resin (A); and the epoxy compound is composed of two or more types of epoxy compounds.Type: GrantFiled: December 15, 2017Date of Patent: April 11, 2023Assignee: TOAGOSEI CO., LTD.Inventors: Makoto Hirakawa, Masashi Yamada
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Patent number: 11603395Abstract: A synthetic peptide provided according to the technology disclosed here includes (1) a CMTM4-TM related sequence; and (2) an amino acid sequence that functions as a cell membrane permeable peptide. The synthetic peptide has a total number of amino acid residues of 100 or less.Type: GrantFiled: June 1, 2020Date of Patent: March 14, 2023Assignee: TOAGOSEI CO., LTDInventors: Nahoko Baileykobayashi, Tetsuhiko Yoshida
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Patent number: 11566210Abstract: A semiconductor cleaning agent containing a sulfonic acid group-containing polymer, wherein a content of at least one metal selected from the group consisting of Na, Al, K, Ca and Fe is 0.7 ppm or less.Type: GrantFiled: October 30, 2019Date of Patent: January 31, 2023Assignee: TOAGOSEI CO. LTD.Inventors: Ryosuke Yamauchi, Akihiro Gotou
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Patent number: 11505589Abstract: An antitumor peptide provided according to the present invention includes (1) an S1PR-TM related sequence; and (2) an amino acid sequence functioning as a cell penetrating peptide; wherein the total number of amino acid residues is 100 or less.Type: GrantFiled: October 28, 2019Date of Patent: November 22, 2022Assignees: TOAGOSEI CO., LTD, National University Corporation Nagoya UniversityInventors: Nahoko Baileykobayashi, Tetsuhiko Yoshida, Makoto Sawada
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Publication number: 20220340781Abstract: The invention provides an assembly for fuel cell which has an excellent adhesive force in the presence of hot water, and a laminated body which is used for the assembly for fuel cell. The assembly for fuel cell comprises an adhesive resin layer containing a polyolefin having at least one group selected from the group consisting of an acidic group and an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g; and two or more members bonded with the adhesive resin layer interposed therebetween, wherein at least one of the members is a metal member having a ratio of a dipole term in surface free energy of 0.01% to 5.0%.Type: ApplicationFiled: September 10, 2020Publication date: October 27, 2022Applicants: TOYOBO CO., LTD., TOAGOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shinya WATANABE, Ai KOGANEMARU, Hisao OKUMURA, Tomoya SUGIKI, Takahiro ITO, Makoto IMAHORI, Yusuke SHIMMYO, Kenji SATO, Takuya KURIHARA
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Publication number: 20220332980Abstract: The invention provides a laminated body having an excellent adhesive force with respect to a low-polarity metal member in the presence of hot water. The laminated body contains a resin substrate; an easily adhesive layer provided on at least one surface of the resin substrate; and an adhesive resin layer provided on a surface of the easily adhesive layer on a side opposite to the resin substrate, wherein the adhesive resin layer contains a polyolefin having at least one group selected from the group consisting of an acidic group and an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g; and the laminated body is used for bonding a metal member having a ratio of a dipole term in surface free energy of 0.01% to 5.0%.Type: ApplicationFiled: September 10, 2020Publication date: October 20, 2022Applicants: TOYOBO CO., LTD., TOAGOSEI CO., LTD.Inventors: Shinya WATANABE, Ai KOGANEMARU, Hisao OKUMURA, Tomoya SUGIKI, Takahiro ITO, Makoto IMAHORI
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Publication number: 20220332984Abstract: An object of the present invention is to provide an adhesive composition having an excellent adhesive force even in the presence of hot water in an assembly in which at least one of two or more members to be bonded to each other via the adhesive composition is a low-polarity metal member, and an adhesion method. The present invention relates to an adhesive composition and an adhesion method for bonding a metal member. The adhesive composition contains a polyolefin (A) component having an acidic group and/or an acid anhydride group and having an acid value of 0.01 mgKOH/g to 6.5 mgKOH/g. The metal member has a ratio of a dipole term in surface free energy of 0.01% to 5.0%.Type: ApplicationFiled: September 10, 2020Publication date: October 20, 2022Applicants: TOAGOSEI CO., LTD., TOYOBO CO., LTD.Inventors: Tomoya SUGIKI, Takahiro ITO, Makoto IMAHORI, Shinya WATANABE, Ai KOGANEMARU, Hisao OKUMURA
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Patent number: 11472845Abstract: A synthetic peptide provided by the present invention includes: (1) a CTLA4-SP-related sequence; and (2) an amino acid sequence that functions as a cell penetrating peptide, wherein the synthetic peptide has a total number of amino acid residues of 100 or less.Type: GrantFiled: October 8, 2020Date of Patent: October 18, 2022Assignees: TOAGOSEI CO., LTD, The University of TokyoInventors: Nahoko Baileykobayashi, Tetsuhiko Yoshida, Shuichi Asakawa
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Publication number: 20220290008Abstract: A dispersant for chemical mechanical polishing that flattens a surface of at least one of an insulating layer and a wiring layer includes a block copolymer (P) having a polymer block A and B. The polymer block A has a structural unit derived from at least one monomer selected from the group consisting of an amide group-containing vinyl monomer and an ester group-containing vinyl monomer, and the polymer block B has a structural unit having an ionic functional group.Type: ApplicationFiled: June 1, 2022Publication date: September 15, 2022Applicant: TOAGOSEI CO., LTD.Inventors: Akihiro Goto, Sachiko Imura, Shun Nakano, Ryutaro Tsubouchi
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Patent number: 11441055Abstract: Provided is an adhesive composition, including a modified polypropylene-based resin (A) that contains at least one of an acidic group or an acid anhydride group, and that contains a (meth)acryloyl group (a), in which the (meth)acryloyl group (a) is introduced by a modification reaction of at least one of an acidic group or an acid anhydride group of a polypropylene-based resin (h) that contains the at least one of the acidic group or the acid anhydride group.Type: GrantFiled: January 9, 2019Date of Patent: September 13, 2022Assignee: TOAGOSEI CO., LTD.Inventors: Takahiro Ito, Makoto Hirakawa, Mitsue Takamura