Patents Assigned to Sanyo Chemical Industries, Ltd.
-
Patent number: 12043766Abstract: To provide an aqueous adhesive for an inorganic material with excellent adhesiveness to the inorganic material. An adhesive improver (J) for an aqueous adhesive of an inorganic material including a (co) polymer (A) containing an unsaturated (poly) carboxylic acid (anhydride) (al) as a constituent monomer, wherein a weight-average molecular weight of the (co) polymer (A) is 6,000 to 200,000; and an aqueous adhesive for an inorganic material (X) including the adhesive improver (J) for an aqueous adhesive of an inorganic material, a saccharide (B), a polycarboxylic acid (C) having 4 to 24 carbon atoms, and water.Type: GrantFiled: October 16, 2020Date of Patent: July 23, 2024Assignees: SANYO CHEMICAL INDUSTRIES, LTD., MAG-ISOVER KABUSHIKI KAISHAInventors: Miyuki Hayashi, Ai Kita, Masaya Tsukamoto
-
Patent number: 12015140Abstract: The present invention aims to provide a method for producing a pinhole-free thin resin current collector for negative electrodes. The method for producing a sheet-shaped resin current collector for negative electrodes of the present invention includes stacking three or more layers of melts of conductive resin compositions each containing a polyolefin and a conductive filler to obtain a multilayered body, wherein the polyolefin contained in each of the conductive resin compositions that form the respective layers of the multilayered body has a melt mass flow rate of 15 to 70 g/10 min as measured at a temperature of 230° C. and a load of 2.16 kg in accordance with JIS K7210-1:2014.Type: GrantFiled: October 21, 2019Date of Patent: June 18, 2024Assignees: SANYO CHEMICAL INDUSTRIES, LTD., GUNZE LIMITEDInventors: Ryosuke Kusano, Yasuhiro Tsudo, Yasuji Maruyama, Kazuaki Onishi, Yasuhiko Ohsawa, Yuki Kusachi, Hajime Satou, Hiroshi Akama, Hideaki Horie
-
Patent number: 11978597Abstract: A liquid component for an electrolytic capacitor includes at least one central atom selected from the group consisting of boron, aluminum, and silicon, and a ligand having a plurality of ligand atoms bonded to the central atom. The ligand atoms are at least one selected from the group consisting of oxygen and nitrogen, and are bonded to a carbon atom having no oxo group.Type: GrantFiled: December 8, 2020Date of Patent: May 7, 2024Assignees: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD., SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Yuichiro Tsubaki, Tatsuji Aoyama, Kazuyo Saito, Liyi Chen, Kengo Uchihashi
-
Patent number: 11970636Abstract: To provide an aqueous adhesive for an inorganic material with excellent adhesiveness to the inorganic material. An adhesive improver (J) for an aqueous adhesive for an inorganic material including a copolymer (A) containing an unsaturated (poly) carboxylic acid (anhydride) (a1) and a (meth) acrylic acid alkyl (2 to 30 alkyl carbon atoms) ester (a2) as a constituent monomer; and an aqueous adhesive for an inorganic material (X) including the adhesive improver (J), saccharide (B), a polycarboxylic acid (C) having 4 to 24 carbon atoms and water.Type: GrantFiled: October 16, 2020Date of Patent: April 30, 2024Assignees: SANYO CHEMICAL INDUSTRIES, LTD., MAG-ISOVER KABUSHIKI KAISHAInventors: Miyuki Hayashi, Ai Kita, Masaya Tsukamoto
-
Patent number: 11970567Abstract: Provided is a polyol composition which has good dispersion stability of a polyuria resin contained therein and maintains a uniform appearance over time as well as during the production, and which can be reacted with polyisocyanate to obtain a polyurethane foam having excellent flame retardancy. The present invention pertains to a polyol composition that is used as a raw material for a polyurethane foam containing a urea group-containing reaction product having a compound (A), which has two primary amino groups and at least one polyalkyleneoxy chain (a) in the molecule, and a polyisocyanate (B) as essential raw materials, and being obtained by reacting the primary amino groups of the (A) with the isocyanate groups of the (B), wherein the polyalkyleneoxy chain (a) is a chain to which 1-100 moles of a C2-4 alkylene oxide have been added.Type: GrantFiled: August 20, 2019Date of Patent: April 30, 2024Assignee: Sanyo Chemical Industries, Ltd.Inventor: Shoichiro Kono
-
Patent number: 11969512Abstract: A method for producing a protein composition containing a protein (A), a radical scavenger (RS), and at least one hydrogen-bond-formable compound (HC) selected from the group consisting of amino acids, peptides, and proteins other than the protein (A). The method including a sterilization step of radiosterilizing an unsterilized protein composition, wherein the unsterilized protein composition contains the protein (A), the radical scavenger (RS), and the hydrogen-bond-formable compound (HC), the protein (A) contains at least one functional group selected from the group consisting of sulfide, amide, hydroxyl, amino, and carboxyl groups, the hydrogen-bond-formable compound (HC) contains at least one functional group selected from the group consisting of sulfide, amide, hydroxyl, amino, and carboxyl groups, the at least one functional group in the protein (A) is capable of binding to the at least one functional group in the hydrogen-bond-formable compound (HC) via a hydrogen bond.Type: GrantFiled: June 2, 2021Date of Patent: April 30, 2024Assignee: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Satoshi Somamoto, Shingo Kawabata
-
Patent number: 11927914Abstract: The present invention provides an electrophotographic toner binder containing, as a main component, a polymer whose constituent monomer is a monomer having an ethylenically unsaturated bond, the electrophotographic toner binder being excellent in low-temperature fixability, hot-offset resistance, and storage stability. The present invention provides an electrophotographic toner binder containing a polymer (A) containing a monomer (a) and a monomer (x) different from the monomer (a) as essential constituent monomers, wherein the monomer (a) is a (meth)acrylate having a C18-C36 acyclic hydrocarbon group, the polymer (A) has an acid value of 40 or less, and the polymer (A) satisfies the following relational expression (1): 1.1 (cal/cm3)0.5?|SP(x)?SP(a)|?8.0 (cal/cm3)0.Type: GrantFiled: December 13, 2017Date of Patent: March 12, 2024Assignee: SANYO CHEMICAL INDUSTRIES, LTD.Inventor: Takuya Koshima
-
Patent number: 11913862Abstract: The present invention aims to provide core-shell particles that can be used in a method of separating a substance to be separated and that allow obtainment of a highly purified product. Each of a plurality of core-shell particles (C) of the present invention includes a core layer (P) as magnetic silica particles containing the magnetic metal oxide particles (A) and a shell layer (Q) that is a silica layer on a surface of the core layer (P), an average thickness of a plurality of shell layers (Q) being 3 to 3000 nm, wherein a weight percentage of the magnetic metal oxide particles (A) in the core layer (P) is 60 to 95 wt % based on a weight of the core layer (P), and the plurality of core-shell particles (C) have a particle size distribution with a coefficient of variation of 50% or less.Type: GrantFiled: June 7, 2019Date of Patent: February 27, 2024Assignee: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Takahiro Kitagawa, Masumi Ueda
-
Publication number: 20240059644Abstract: Provided is a compound (Z) represented by the formula (1) or (2) below. In the formulas (1) and (2), Xs in each of the formulas (1) and (2) are each independently a carboxy group, a carboxylate group, or a monovalent group represented by the formula (3); at least one of Xs in each of the formulas (1) and (2) is a carboxy group or a carboxylate group; and at least one of Xs in each of the formulas (1) and (2) is a monovalent group represented by the formula (3) —C(O)—Y-(AO)n—R (3). In the formula (3), —Y— is —O—, —NH—, or —S—; A is a C2-C4 alkylene group; R is a hydrogen atom or a C1-C15 monovalent hydrocarbon group in which a hydrogen atom is optionally substituted with a C1-C10 alkoxy group; n is an integer of 4 to 1000; at least one of n As is an ethylene group; and when the formulas (1) and (2) each have multiple monovalent groups represented by the formula (3), each of —Y—, A, R, and n is the same or different among the monovalent groups.Type: ApplicationFiled: December 21, 2021Publication date: February 22, 2024Applicants: SANYO CHEMICAL INDUSTRIES, LTD., JUNTENDO EDUCATIONAL FOUNDATIONInventors: Yuta MURAKAMI, Kenichiro NAKAI, Nozomi OTA, Shihei MOTOFUJI, Tetsuya NAKAMURA, Yuka MATSUMOTO
-
Publication number: 20230391962Abstract: Provided is a block polymer (X) containing, as structural units, a polyolefin structure derived from a polyolefin (A) below and a polyolefin structure derived from a polyolefin (B) below. The polyolefin (A) contains a C3-C8 ?-olefin as a structural monomer with ?-olefin portions having an isotacticity of 70 to 100%, has a number average molecular weight of 1000 to 200000, and has a carbon-carbon double bond number of 0.01 to 8.0 per 1000 carbon atoms. The polyolefin (B) contains a C3-C8 ?-olefin as a structural monomer with ?-olefin portions having an isotacticity of 1 to 65%, and has a number average molecular weight of 1000 to 200000.Type: ApplicationFiled: October 13, 2021Publication date: December 7, 2023Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Shintaro HIGUCHI, Satoru TERANISHI
-
Publication number: 20230383122Abstract: Cover film has a base material layer and a surface layer chemically bonded to the base material layer, where the surface layer includes a polyurethane resin X1 containing urethane and urea units and a polyorganosiloxane group in the molecule, the polyurethane resin X1 is a reaction product of a non-yellowing-type isocyanate component B1 with an active hydrogen component A1 including a compound a1-1, the base material layer includes a polyurethane resin X2 having a urethane bond in the molecule, and the polyurethane resin X2 is a reaction product of a non-yellowing-type isocyanate component B2 with an active hydrogen component A2 which does not include the compound a1-1, and has a certain crosslinking point concentration and also has a certain elastic recovery rate.Type: ApplicationFiled: May 31, 2023Publication date: November 30, 2023Applicants: LG DISPLAY CO., LTD., Sanyo Chemical Industries, Ltd., Bando Chemical Industries, Ltd.Inventors: Harumi OKUNO, Takayuki OTA, Masafumi SAWADA, Atsushi WAKATSUKI, Yutaka KAMADA
-
Publication number: 20230340357Abstract: The present invention aims to provide a viscosity index improver composition capable of providing a lubricant composition that has an excellent viscosity index improving effect, excellent antifoaming properties, and excellent persistence of the antifoaming properties. The present invention relates to a viscosity index improver composition, containing: a (co)polymer (A) containing a monomer (a) represented by the following formula (1) as an essential monomer; a C18-C40 chain aliphatic alcohol (B); and a base oil, wherein R1 is a hydrogen atom or a methyl group; -X1- is a group represented by —O— or —NH—; R2 is a C2-C4 alkylene group; R3 and R4 are each independently a C8-C24 linear or branched alkyl group; and p is an integer of 0 to 20, with each R2 being optionally the same as or different from each other when p is 2 or greater.Type: ApplicationFiled: August 20, 2021Publication date: October 26, 2023Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Nobuhiro NAITO, Hiroki YAMASHITA, Kenyuu YOSHIDA, Hiroki HAGIHARA
-
Publication number: 20230323001Abstract: An object of the present invention is to provide an antistatic agent which imparts excellent antistatic properties to thermoplastic resins. The antistatic agent (Z) of the present invention contains a block polymer (A) having a block of a polyamide (a) and a block of a polyether (b1) as structure units, wherein the polyether (b1) contains propylene oxide (PO) and ethylene oxide (EO) as constituent monomers, and a weight ratio of the propylene oxide (PO) to the ethylene oxide (EO), i.e., propylene oxide (PO)/ethylene oxide (EO), is 1/99 to 25/75.Type: ApplicationFiled: November 24, 2020Publication date: October 12, 2023Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Yuko SUGIMOTO, Shinichi FUJITA
-
Publication number: 20230323241Abstract: The present invention aims to provide a viscosity-index improving agent having an excellent friction reduction effect to reduce friction of a lubricating oil composition when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent. The present invention relates to, for example, a viscosity-index improving agent containing: (co)polymer (A) containing, as an essential constituent monomer, a polyolefin-based monomer (a) represented by the following formula (1); an ester oil (B1) having a kinematic viscosity at 100° C. of 1.00 to 2.50 mm2/s; and an ester oil (B2) having a kinematic viscosity at 100° C. of 2.51 to 5.Type: ApplicationFiled: September 14, 2021Publication date: October 12, 2023Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
-
Publication number: 20230312956Abstract: Provided is an aqueous pigment dispersion having high initial dispersion stability and high storage stability and demonstrating high color developability in particularly fabrics not pre-treated. An aqueous pigment dispersion for an aqueous inkjet ink, including a pigment and an aqueous medium, the pigment being dispersed with a polyurethane resin prepared by reacting an active hydrogen atom-containing component (A) with an organic polyisocyanate component (B). The active hydrogen atom-containing component (A) contains a quaternary ammonium compound (a1), and the quaternary ammonium compound (a1) is contained in a weight proportion of 12% by weight or more relative to the total weight of the active hydrogen atom-containing component (A) and the organic polyisocyanate component (B).Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Applicants: SANYO CHEMICAL INDUSTRIES, LTD., SEIKO EPSON CORPORATIONInventors: Hiroshi ODAJIMA, Kenji KITADA, Takeshi YANO, Shinichi NAITO
-
Publication number: 20230312961Abstract: Provided is an aqueous pigment dispersion having high initial dispersibility, high storage stability, and high color developability after printing, and particularly having high rub resistance (rubbing fastness) in cotton fabrics. An aqueous pigment dispersion for an aqueous inkjet ink, including a pigment and an aqueous medium, the pigment being dispersed with a polyurethane resin prepared by reacting an active hydrogen atom-containing component (A) with an organic polyisocyanate component (B), the active hydrogen atom-containing component (A) containing a polycarbonate polyol (a1), the organic polyisocyanate component (B) containing at least one compounds selected from the group consisting of aliphatic polyisocyanates (b1), alicyclic polyisocyanates (b2), and aromatic polyisocyanates (b3), wherein a coating film formed by drying the aqueous pigment dispersion at 50° C. for 12 hours has a storage modulus G? at 160° C. of 1 to 10 MPa.Type: ApplicationFiled: March 29, 2023Publication date: October 5, 2023Applicants: SANYO CHEMICAL INDUSTRIES, LTD., SEIKO EPSON CORPORATIONInventors: Hiroshi ODAJIMA, Takeshi YANO, Kenji KITADA, Shinichi NAITO
-
Publication number: 20230312797Abstract: The present invention aims to provide a viscosity-index improving agent capable of providing a lubricating oil composition having an appropriate gelation index, an excellent HTHS viscosity at 100° C., and an excellent kinematic viscosity at 40° C. when the viscosity-index improving agent is added thereto. The present also aims to provide a lubricating oil composition containing the viscosity-index improving agent.Type: ApplicationFiled: September 14, 2021Publication date: October 5, 2023Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Nobuhiro NAITO, Satoshi MATSUMOTO, Masahiro HASHIMOTO, Kenyuu YOSHIDA, Hiroki YAMASHITA, Ryota SATO
-
Patent number: 11774872Abstract: An object of the present invention is to provide a toner binder that maintains low-temperature fixability and hot offset resistance while having excellent grindability, image strength, heat-resistant storage stability, electrostatic charge stability, gloss-imparting properties, and durability. The toner binder of the present invention contains an amorphous resin (A) and a crystalline vinyl resin (B), wherein a weight ratio [(A)/(B)] of the amorphous resin (A) to the crystalline vinyl resin (B) is 81/19 to 97/3, the toner binder has an endothermic peak top temperature (Tm) derived from the crystalline vinyl resin (B) of 40° C. to 100° C. and a half-width of the endothermic peak derived from the crystalline vinyl resin (B) of 6° C. or less, the crystalline vinyl resin (B) has an acid value of 60 mg KOH/g or less, and the toner binder satisfies the following relation (1): 3° C.?Tfb(A)?Tfb(C)?30° C.Type: GrantFiled: April 12, 2019Date of Patent: October 3, 2023Assignee: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Masaru Honda, Satoshi Yamada
-
Patent number: 11753600Abstract: The present invention aims to provide a viscosity index improver composition and a lubricating oil composition having a low HTHS viscosity at 100° C., an excellent shear stability, and an excellent low temperature viscosity.Type: GrantFiled: June 15, 2020Date of Patent: September 12, 2023Assignee: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Ryota Sato, Hiroki Yamashita, Kazunori Yoshida
-
Publication number: 20230227650Abstract: The present invention aims to provide a urethane resin and a heat dissipation component each having excellent thermal conductivity and excellent flexibility.Type: ApplicationFiled: June 23, 2021Publication date: July 20, 2023Applicant: SANYO CHEMICAL INDUSTRIES, LTD.Inventors: Shunsuke IKEDA, Tomoya OHTA, Ryo YOSHIMOTO, Koichi MORI