283 patents
Utility
Nonaqueous electrolyte for secondary battery and nonaqueous-electrolyte secondary battery employing the same
21 Jun 22
An object is to provide a nonaqueous electrolyte and a nonaqueous-electrolyte secondary battery which have excellent discharge load characteristics and are excellent in high-temperature storability, cycle characteristics, high capacity, continuous-charge characteristics, storability, gas evolution inhibition during continuous charge, high-current-density charge/discharge characteristics, discharge load characteristics, etc.
Hiroyuki Tokuda, Minoru Kotato, Shinichi Kinoshita
Filed: 5 Sep 19
Utility
Catalyst for hydrogenation of carbonyl compound and alcohol production method
7 Jun 22
Provided is a catalyst including a metal component including a first component that is rhenium and one or more second components selected from the group consisting of silicon, gallium, germanium, and indium and a carrier on which the metal component is supported, the carrier including an oxide of a metal belonging to Group 4 of the periodic table.
Takeshi Matsuo, Yumiko Yoshikawa, Takayuki Aoshima
Filed: 22 Apr 21
Utility
Resin composition, melt-forming material, multilayer structure, and liquid packaging material
31 May 22
A resin composition contains: (A) an ethylene-vinyl alcohol copolymer, (B) a polyester resin, and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the resin composition.
Shintaro Usui, Minako Ikeshita
Filed: 30 Apr 20
Utility
Optical fiber cable, harness, and method of manufacturing optical fiber cable
31 May 22
Takeshi Morinaka, Akinori Ishikado, Hideki Kihara
Filed: 11 Sep 20
Utility
Prepreg and fiber-reinforced composite material
24 May 22
A prepreg contains: a reinforcing fiber material; and a resin composition with which the reinforcing fiber material is impregnated.
Takuya Teranishi, Satoshi Okamoto, Akira Oota, Masahiro Ichino
Filed: 10 Jul 20
Utility
Carbon-fiber-precursor fiber bundle, carbon fiber bundle, and uses thereof
17 May 22
A method of producing a carbon fiber bundle is provided, involving performing a flame-proof treatment to a carbon-fiber-precursor acryl fiber bundle having a single-fiber fineness of 1.5 dtex or more and 5.0 dtex or less, and having a roundness of 0.7 or more and 0.9 or less in a cross-section shape perpendicular to a fiber axis of the single fiber to obtain a flame-proofed fiber bundle; and performing a carbonization treatment to the flame-proofed fiber bundle.
Yuusuke Shinmen, Norifumi Hirota, Takeshi Nii
Filed: 28 Apr 20
Utility
Method for manufacturing fiber reinforced plastic molded body
10 May 22
Provided is a method for manufacturing a fiber reinforced plastic molded body, the method including: performing thermocompression molding, by using a molding die, on a molding precursor which is obtained by arranging a prepreg including a thermosetting resin and a fiber around a thermoplastic solid body.
Tsuneo Takano, Takashi Honma, Satoshi Kaji
Filed: 23 Apr 19
Utility
Aromatic polycarbonate resin, method for producing same, and aromatic dihydroxy compound
10 May 22
Norikazu Konishi, Toshiki Monden
Filed: 16 Dec 19
Utility
Secondary battery negative electrode binder composition, secondary battery negative electrode, and secondary battery
10 May 22
The present invention relates to a secondary battery negative electrode binder composition with which a stable negative electrode active material layer can be formed, which can follow volumetric changes in the negative electrode, whereby a secondary battery can be manufactured that achieves a high charge/discharge capacity and allows for improvement in charge/discharge cycle characteristics.
Tomotake Yano, Mitsuo Shibutani
Filed: 15 Dec 16
Utility
Ethylene-vinyl alcohol copolymer composition, melt-forming material, and multilayer structure
3 May 22
An ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an alkali earth metal compound; and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein the ratio (B)/(C) of the weight of the alkali earth metal compound (B) on a metal basis to the weight of the sorbic acid ester (C) is 10 to 30,000.
Shintaro Usui, Minako Ikeshita
Filed: 10 Apr 20
Utility
Fiber-reinforced resin molded article and method for manufacturing fiber-reinforced resin molded article
26 Apr 22
This fiber-reinforced resin molded article has: a sheet molding compound layer; a continuous fiber reinforcing material layer; and a harrier layer, wherein the barrier layer is interposed between the sheet molding compound layer and the continuous fiber reinforcing material layer.
Satoshi Kaji, Tsuneo Takano, Kazuhisa Ikeda
Filed: 10 Apr 19
Utility
Polyester resin, method for producing polyester resin, and toner using said polyester resin
26 Apr 22
Tadahiro Ozawa, Asako Kaneko, Masaaki Kiura, Yoshihiro Kamon
Filed: 13 May 16
Utility
Electron-accepting compound and composition for charge-transporting film, and luminescent element using same
26 Apr 22
Hideki Gorohmaru, Kazuki Okabe, Koichiro Iida, Tomokazu Umemoto, Yoshimasa Bando, Koichi Ishibashi, Yoshiko Kajiyama, Tomohiro Abe
Filed: 20 Sep 18
Utility
(Meth)acrylic copolymer, adhesive composition containing same, and adhesive sheet
19 Apr 22
A (meth)acrylic copolymer (A) having a mass average molecular weight of 50,000 to 1,000,000, in which the (meth)acrylic copolymer (A) is obtained by polymerizing a monomer mixture including a macromonomer (a) that has a number average molecular weight of 500 or more and less than 6000 and a vinyl monomer (b), and preferably includes 7 to 40% by mass of a repeat unit derived from the macromonomer (a), has sufficient coating workability, adhesive holding power and adhesive property as an adhesive composition.
Eri Kawai, Junichi Nakamura, Hiroko Shinada
Filed: 21 Feb 20
Utility
Rubber-containing graft polymer, resin composition containing rubber-containing graft polymer, and shaped article thereof
19 Apr 22
Provided is a rubber-containing graft polymer that can be uniformly dispersed in a thermoplastic resin containing an alloy in a particle size of 100 to 300 nm and can improve strength developability required as a rubber-containing graft polymer.
Shinji Matsuoka, Naotaka Suenaga, Saki Fujita, Masashi Iimori, Yuuta Maenaka, Misaki Hagi, Hiroya Arai
Filed: 13 Mar 20
Utility
Electrophotographic photoreceptor, electrophotographic photoreceptor cartridge and image forming apparatus
19 Apr 22
An object of the present invention is to provide an electrophotographic photoreceptor which can prevent an increase in potential even using a fluorine resin in a charge transport layer, and can achieve both electrical properties and abrasion resistance, and present invention relates to a lamination type electrophotographic photoreceptor, in which a charge transport layer of the lamination type electrophotographic photoreceptor contains a compound having an E_homo of −4.550 eV or more based on structure optimization calculation by density functional calculation B3LYP/6-31G (d, p) and fluorine resin particles, and a content of the fluorine resin particles is 3% by weight to 20% by weight based on a total mass of the charge transport layer.
Mitsuo Wada, Wataru Miyashita, Takahiro Choda, Akira Ando, Hiroe Fuchigami
Filed: 25 Jul 19
Utility
Separation membrane module
5 Apr 22
A separation membrane module that is provided enables a bending load that is applied to a support member that supports ends of tubular separation membranes to be decreased and enables a seal member between the outer circumferential surface of the support member and the inner circumferential surface of a housing to be omitted.
Naoki Noguchi
Filed: 21 Dec 20
Utility
Method for producing aldehyde and method for producing alcohol
5 Apr 22
The present invention relates to a method for producing an aldehyde by a hydroformylation reaction of reacting an olefin with hydrogen and carbon monoxide in the presence of a Group 8 to 10 metal-phosphine complex catalyst, including the following steps (1) and (2): (1) a step of oxidizing by withdrawing a reaction solution having accumulated therein a high-boiling-point byproduct from a reaction zone and bringing the withdrawn reaction solution into contact with an oxygen-containing gas, and (2) a step of, after the step (1), mixing a poor solvent and hydrogen with the reaction solution, then crystallizing the Group 8 to 10 metal-phosphine complex catalyst by crystallization, and recovering the crystallized complex catalyst from the reaction solution.
Takashi Sato, Yoshiyuki Tanaka
Filed: 11 May 20
Utility
Ethylene-vinyl alcohol copolymer pellets, resin composition, and multilayer structure
5 Apr 22
Ethylene-vinyl alcohol copolymer pellets comprise an ethylene-vinyl alcohol copolymer and water, and have a water content of not higher than 0.5 wt. %, wherein the ratio (Y/Z) of a lactone ring content (Y) to the sum (Z) of a carboxylic acid content (X) and the lactone ring content (Y) in terminal structures of the ethylene-vinyl alcohol copolymer is not less than 60 mol %.
Kota Inoue, Honoka Hashimoto, Nobuaki Sato
Filed: 7 Jun 19
Utility
Thermosetting resin composition, prepreg, fiber-reinforced plastic molded body and method for producing same
5 Apr 22
Provided is a thermosetting resin composition (C) of which curing can be started at a relatively low temperature in a short time and a cured product exhibits high heat resistance, the thermosetting resin composition (C) comprising an epoxy resin; an epoxy resin curing agent; and an epoxy resin curing accelerator, wherein the epoxy resin curing agent contains an imidazole-based curing agent 1 which is not encapsulated in a microcapsule and a curing agent 2 which is encapsulated in a microcapsule, and the epoxy resin curing accelerator comprises a urea derivative.
Takuya Teranishi, Masahiro Ichino, Kazuhisa Ikeda, Akira Oota
Filed: 21 Feb 19