Patents Assigned to Futamura Kagaku Kabushiki Kaisha
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Patent number: 11745488Abstract: [Object] To provide a method for the production of a thin plate-like laminate having a film-like resin layer in which a concave/convex shape can stably be formed with high accuracy on the film-like resin layer laminated on a thin plate-like substrate. [Achieving Means] There are provided a step of creating a mold retention structure 100 in which molds 110, which have been heated to a thermal deformation temperature of a film-like resin composition 84, are arranged on both surface sides of a workpiece 85, and a step of introducing the mold retention structure in which the heated molds are arranged between two compression rollers 52, 54 and compressing outer surfaces of the molds by rotating the compression rollers to integrally thermocompression-bond the film-like resin composition and a substrate 81 to form a thin plate-like laminate 80 having a film-like resin layer 82.Type: GrantFiled: March 18, 2020Date of Patent: September 5, 2023Assignee: FUTAMURA KAGAKU KABUSHIKI KAISHAInventors: Takuzo Imaizumi, Naomi Goto, Naoki Shiba
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Patent number: 11158876Abstract: A method of production of a channel member for fuel cell use comprising a step of obtaining a sheet-shaped first conductor part 11 containing a carbon material of at least one of carbon nanotubes, granular graphite, and carbon fibers and a first resin, a step of laying a sheet-shaped second conductor part 21 containing a carbon material and a second resin with a lower melting point than the first resin to form a sheet-shaped base part 13, a step of transferring a grooved surface 51 to a surface to form a grooved base part 16 provided with groove part 15, a step of laying a sheet-shaped third conductor part 31 containing a carbon material and a third resin with a lower melting point than the first resin, and a step of integrally joining the grooved base part and the third conductor part by hot melt bonding to cover the groove parts.Type: GrantFiled: September 16, 2019Date of Patent: October 26, 2021Assignee: FUTAMURA KAGAKU KABUSHIKI KAISHAInventors: Takuzo Imaizumi, Naomi Goto, Naoki Shiba
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Patent number: 11158875Abstract: A method of production of a channel member for fuel cell use comprising a step of obtaining a sheet-shaped first conductor part 11 containing a carbon material of at least one of carbon nanotubes, granular graphite, and carbon fibers and a first resin, a step of laying a sheet-shaped second conductor part 21 containing a carbon material and a second resin with a lower melting point than the first resin to form a sheet-shaped base part 13, a step of transferring a grooved surface 51 to a surface to form a grooved base part 16 provided with groove part 15, a step of laying a sheet-shaped third conductor part 31 containing a carbon material and a third resin with a lower melting point than the first resin, and a step of integrally joining the grooved base part and the third conductor part by hot melt bonding to cover the groove parts.Type: GrantFiled: September 16, 2019Date of Patent: October 26, 2021Assignee: FUTAMURA KAGAKU KABUSHIKI KAISHAInventors: Takuzo Imaizumi, Naomi Goto, Naoki Shiba
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Patent number: 11015291Abstract: Provided is a method of producing fine cellulose fibers that are nanosized, that have a high crystallinity degree, and that are less vulnerable to fiber shape damage, the method including impregnating cellulose with a fibrillation solution to fibrillate the cellulose without mechanical crushing, and modifying the cellulose. The method of producing cellulose microfibrils of the present invention includes impregnating cellulose with a fibrillation solution containing a carboxylic acid vinyl ester or an aldehyde and an aprotic solvent having a donor number of 26 or more to fibrillate the cellulose. The aldehyde is at least one kind of aldehyde selected from the group consisting of an aldehyde represented by the following formula (1), paraformaldehyde, cinnamaldehyde, perillaldehyde, vanillin, and glyoxal: R1—CHO??(1) where R1 represents a hydrogen atom, an alkyl group having 1 to 16 carbon atoms, an alkenyl group, a cycloalkyl group, or an aryl group.Type: GrantFiled: March 16, 2017Date of Patent: May 25, 2021Assignees: FUTAMURA KAGAKU KABUSHIKI KAISHA, ASAHI KASEI KABUSHIKI KAISHAInventors: Lianzhen Lin, Ayako Maruta, Masanori Hori
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Patent number: 10549235Abstract: The present invention provides a method for performing a decomposition treatment on a VOC and/or a gas-phase inorganic reducing compound in a gas through ozone oxidation, by which further enhancement of efficiency in oxidative decomposition reaction by ozone is achieved, a decomposition treatment can be performed efficiently on a high-flow rate exhaust gas containing substances such as a VOC and a malodorous substance in low concentrations, and the amount of ozone to be used can be reduced in a method for performing oxidative decomposition treatment with ozone on a VOC and the like using a high silica adsorbent.Type: GrantFiled: February 4, 2016Date of Patent: February 4, 2020Assignees: FUTAMURA KAGAKU KABUSHIKI KAISHA, DAINICHISEIKA COLOR & CHEMICAL MFG. CO., LTD.Inventors: Jun Izumi, Kaori Fukahori, Toru Kawakami, Akira Nishio
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Patent number: 10493423Abstract: The present invention provides a method for performing a purification treatment on a harmful substance-containing liquid, the method enabling an efficient purification treatment of a harmful substance-containing liquid by using dissolved ozone being an oxidizing agent with high level of safety, and a harmful substance-containing liquid purification treatment apparatus for carrying out the method.Type: GrantFiled: February 4, 2016Date of Patent: December 3, 2019Assignees: FUTAMURA KAGAKU KABUSHIKI KAISHA, DAINICHISEIKA COLOR & CHEMICALS MFG. CO., LTD.Inventors: Jun Izumi, Yusuke Ideta, Ryuta Nishide, Toru Kawakami, Akira Nishio, Seigo Miyashita, Satoru Nakayasu
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Patent number: 10486137Abstract: The invention provides an anticancer agent adsorbing sheet body that exhibits a sufficient effect of adsorbing and retaining highly toxic chemical agents such as anticancer agents, and that further improves safety for health care professionals in medical environments.Type: GrantFiled: September 1, 2016Date of Patent: November 26, 2019Assignees: FUTAMURA KAGAKU KABUSHIKI KAISHA, IWATE MEDICAL UNIVERSITYInventors: Junya Sato, Makoto Yokoi, Kana Sato
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Patent number: 10431839Abstract: A method of production of a channel member for fuel cell use comprising a step of obtaining a sheet-shaped first conductor part 11 containing a carbon material of at least one of carbon nanotubes, granular graphite, and carbon fibers and a first resin, a step of laying a sheet-shaped second conductor part 21 containing a carbon material and a second resin with a lower melting point than the first resin to form a sheet-shaped base part 13, a step of transferring a grooved surface 51 to a surface to form a grooved base part 16 provided with groove part 15, a step of laying a sheet-shaped third conductor part 31 containing a carbon material and a third resin with a lower melting point than the first resin, and a step of integrally joining the grooved base part and the third conductor part by hot melt bonding to cover the groove parts.Type: GrantFiled: November 2, 2015Date of Patent: October 1, 2019Assignee: FUTAMURA KAGAKU KABUSHIKI KAISHAInventors: Takuzo Imaizumi, Naomi Goto, Naoki Shiba
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Patent number: 9608281Abstract: A new conductive interconnected porous film, useful as a material for a gas diffusion layer which is used in a solid polymer type fuel cell, which satisfies the requirements of a good conductivity, good gas permeability, surface smoothness, corrosion resistance, and low impurities and which is strong in bending and excellent in handling to an extent not obtainable by existing sheet materials of carbon fiber, that is, a conductive interconnected porous film wherein a resin base material part of a thermoplastic resin has a porous interconnected cell structure which is formed by removal of removable particulate matter and has cells of sizes of 10 ?m to 50 ?m and wherein the resin base material part is comprised of different particle size particles of first carbon particles of large size carbon particles of a diameter of 5 ?m or more and second carbon particles of micro size carbon particles of a diameter of 10 nm or more mixed together, and a method of production of the same.Type: GrantFiled: November 20, 2012Date of Patent: March 28, 2017Assignee: FUTAMURA KAGAKU KABUSHIKI KAISHAInventors: Takuzo Imaizumi, Hiroaki Nagata, Naoki Shiba
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Patent number: 9006338Abstract: An aqueous resin composition with gas barrier properties contains (i) polyurethane resin having aurethane group and a urea group in a total concentration of 25 to 60% by weight and having a acid value of 5 to 100 mgKOH/g, (ii) a swelling inorganic layered compound (e.g., a water-swelling mica, and a montmorillonite), and (iii) a polyamine compound having an amine value of 100 to 1900 mgKOH/g. The polyurethane resin (i) is obtained by a reaction of (A) an aromatic, araliphatic or alicyclic polyisocyanate, (B) a polyhydroxyalkanecarboxylic acid, and at least one component selected from (C) a C2-8alkylene glycol and (D) a chain-extension agent (e.g., diamine, hydrazine and a hydrazine derivative), and neutralized with a neutralizing agent. The proportion of the acid group of the polyurethane resin (i) relative to the basic nitrogen atom of the polyamine compound (iii) is 10/1 to 1/5 as the equivalent ratio.Type: GrantFiled: October 7, 2004Date of Patent: April 14, 2015Assignees: Mitsui Takeda Chemicals, Inc., Futamura Kagaku Kabushiki KaishaInventors: Takashi Uchida, Tsutomu Tawa, Takuzo Imaizumi
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Patent number: 8696931Abstract: A method of production of activated carbon for removal of mercury gas which provides activated carbon impregnated with both sulfur and iodine which gives a higher mercury gas adsorption performance compared with a conventional activated carbon adsorbent and also enables the prime cost of manufacture to be kept down, that is, a method of production provided with a sulfur impregnation step which adds sulfur to activated carbon and heats the mixture to obtain sulfur-impregnated activated carbon comprised of activated carbon to 100 parts by weight of which sulfur is impregnated in 5 to 20 parts by weight and, after the sulfur impregnation step, an iodine substance impregnation step which adds an aqueous solution containing iodine and an iodine salt to the sulfur-impregnated activated carbon.Type: GrantFiled: October 10, 2011Date of Patent: April 15, 2014Assignee: Futamura Kagaku Kabushiki KaishaInventors: Hideto Mamiya, Sunao Inada
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Patent number: 7682442Abstract: A medical adsorbent which produces minimal side-effects such as constipation, has excellent adsorption for ionic organic compounds such as causative substances of uremia, exhibits adequate adsorption performance at low doses and avoids adsorption of high-molecular compounds necessary for the body, such as enzymes and polysaccharides. The medical adsorbent comprises activated carbon obtained by carbonizing a spherical phenol resin in a nitrogen atmosphere at a temperature of 400-1000° C., activating the carbonized spherical phenol resin at a temperature of 800-1000° C., washing it with dilute hydrochloric acid, heat treating it at a temperature of 150-1000° C. in a mixed gas comprising oxygen and nitrogen and then sorting it; the activated carbon has an area to weight ratio of 500-2000 m2/g, a pore volume of 0.2-1.0 mL/g and a packing density of 0.5-0.75 g/mL.Type: GrantFiled: January 7, 2004Date of Patent: March 23, 2010Assignees: Futamura Kagaku Kabushiki Kaisha, Gun-Ei Kagaku Kogyo Kabushiki KaishaInventors: Tomomichi Umekawa, Tsutomu Kohsaka, Keita Hibi, Tomomi Inagaki, Toh-ichiro Hatori
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Publication number: 20070134475Abstract: A substrate of the surface protective film giving a film attached to the surface of a building material, a painted steel sheet, etc. for the purpose of prevention of damage easy applicability and easy removability and a surface protective film using the same, that is, a substrate of the surface protective film comprised of at least two film layers with different physical properties, wherein an outermost film layer forming an outermost surface corresponding to another surface facing one surface of the substrate exhibits a tensile modulus of elasticity based on JIS-K-7127 (2000) lower than a tensile modulus of elasticity of the substrate as a whole and a surface protective film comprised of such a substrate of the surface protective film on one surface of which an adhesive layer is formed.Type: ApplicationFiled: December 7, 2006Publication date: June 14, 2007Applicants: FUTAMURA KAGAKU KABUSHIKI KAISHA, NITTO DENKO CORPORATIONInventors: Hiroshi Yuruzume, Yuki Saito, Kenichi Shibata