283 patents
Page 7 of 15
Utility
Resin composition, melt-molded article using same, and multilayered structure
30 Mar 21
The present invention relates to a resin composition containing a saponified ethylene-vinyl ester-based copolymer (A), cinnamic acids (B), and at least either one (C) of an alkali metal salt (C1) and an alkaline earth metal salt (C2) (provided that the component (C) excludes a salt of cinnamic acid), a melt-molded article using the composition, and a multilayer structure.
Ryohei Komuro, Shouichi Kani
Filed: 13 Dec 16
Utility
Method for producing GaN crystal
30 Mar 21
The present invention provides a novel method for producing a GaN crystal, the method including growing GaN from vapor phase on a semi-polar or non-polar GaN surface using GaCl3 and NH3 as raw materials.
Kenji Iso, Akinori Koukitu, Hisashi Murakami
Filed: 13 Sep 18
Utility
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30 Mar 21
There is provided a plastic optical fiber including a core and at least one layer of a clad formed on an outer circumferential surface of the core, wherein a transmission band is 100 MHz or wider, as measured under conditions of a wavelength of 650 nm and a launch NA=0.65; and a transmission loss is 350 dB/km or less, as measured under conditions of a wavelength of 650 nm and a launch NA=0.1, after exposure to an environment of a temperature of 105° C. for 1000 hours.
Hideki Kihara, Noboru Fujikura
Filed: 11 Sep 19
Utility
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23 Mar 21
Provided is an antifouling coating composition, which can form a coating film having good hardness and good physical properties and having a wear degree appropriate for expressing a long-term antifouling effect, has a viscosity not being excessively high, and makes it possible to reduce a content of volatile organic compounds, and a polymer-containing composition which is suitable for obtaining the antifouling coating composition.
Kana Taniguchi, Sho Katsumata, Junichi Nakamura, Nobuaki Kanazawa
Filed: 4 Dec 18
Utility
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23 Mar 21
The present invention addresses the problem of providing a technology for efficiently separating carbon dioxide in a method for separating carbon dioxide from a mixed gas by using a membrane separation method.
Mikio Hayashi, Takahiko Takewaki, Nobuhiko Ueno
Filed: 4 Sep 18
Utility
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23 Mar 21
Provided is a melt-molding material which is produced using an EVOH resin and has improved feeding property.
Shintaro Usui
Filed: 16 Oct 19
Utility
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16 Mar 21
Provided is a method for separating ammonia gas using zeolite membrane having excellent separation stability at a high temperature capable of separating ammonia gas from a mixed gas composed of multiple components including ammonia gas, hydrogen gas, and nitrogen gas to the permeation side with high selectivity and high permeability.
Manabu Tanaka, Takeshi Matsuo, Takayuki Aoshima
Filed: 13 Dec 19
Utility
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16 Mar 21
A resin composition for insulating coating material, comprises: a polyimide resin and/or a precursor thereof; and a polymer having a heterocyclic ring at a side chain, wherein the content of the polymer having a heterocyclic ring at a side chain is 0.1 to 7 parts by weight relative to 100 parts by weight of the polyimide resin and/or the precursor thereof.
Takeshi Kato, Akira Ishikubo, Yu Echigo, Mika Matsumoto, Jiro Sugiyama
Filed: 28 Sep 18
Utility
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9 Mar 21
Yusuke Oka, Hiroshi Inagaki, Nobuyuki Yamamoto, Atsushi Kawamura
Filed: 24 Feb 16
Utility
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2 Mar 21
Provided is a fiber-reinforced resin material molding in which fluctuations of the dispersion state of the fiber bundle in the molding is small, the generation of a resin pool is suppressed, and fluctuations in physical properties such as tensile strength and modulus of elasticity are suppressed; a method for manufacturing the same; and a method for manufacturing a fiber-reinforced resin material.
Yukihiro Mizutori, Tadao Samejima, Yasushi Watanabe, Junji Kanehagi, Takayuki Kobayashi
Filed: 8 May 18
Utility
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2 Mar 21
A prepreg tape in which reinforcing fiber bundles are impregnated with a thermosetting resin composition, wherein the prepreg tape has a tack value measured at 23° C. at a plunger push pressure of 90 kPa of 5-40 kPa, a tack value measured at 45° C. and a plunger push pressure of 150 kPa of 35-100 kPa, and a drape value at 23° C. of 10-40°, and includes unidirectional fibers arranged along the direction of length of the prepreg tape.
Satoshi Okamoto, Yukihiro Harada, Atsushi Nohara
Filed: 11 Jun 18
Utility
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23 Feb 21
One mode of the invention relates to a producing a device for chopped fiber bundles having a chopper unit including a cutting blade for cutting long fiber bundles, a guide for restricting the travel direction of the fiber bundles to be supplied to the cutting means, and a structure, provided between the chopper unit and the guide, that widens the fiber bundles.
Tadao Samejima, Ryuichi Ishikawa, Hiroshi Iwata, Yukihiro Mizutori, Masatoshi Kamata, Yasushi Watanabe, Hajime Okutsu
Filed: 20 Mar 18
Utility
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23 Feb 21
Shinichirou Izumi, Mitsuhiro Matsuo, Masahiko Morooka, Kazuyoshi Odaka, Seiji Nushi, Kana Akeda, Eri Kawai
Filed: 14 Dec 12
Utility
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16 Feb 21
The thermosetting resin composition according to an embodiment of the present invention contains a component (A) which is a novolac vinyl ester resin having a hydroxyl group and an ethylenically unsaturated group in the molecule, a component (B) which is an ethylenically unsaturated monomer, and a component (D) which is a polyisocyanate compound, wherein the component (A) has a hydroxyl value of 30-150 mgKOH/g, and the mole number of the hydroxyl group with respect to the mole number of the ethylenically unsaturated group per gram of the component (A) ((the amount of the hydroxyl group [mol/g])/(the amount of the ethylenically unsaturated group [mol/g])) is 0.1-0.8.
Hayato Ogasawara, Yuji Kazehaya
Filed: 4 Oct 18
Utility
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16 Feb 21
Provided is a laminated substrate wherein a sheet-shaped material with a porosity of 50-99% is laminated onto at least one surface of a prepreg substrate which includes a reinforcing fiber and a thermoplastic resin.
Takeshi Ishikawa, Hayato Ogasawara, Masao Tomioka
Filed: 5 Dec 14
Utility
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16 Feb 21
Akira Oota, Masahiro Ichino, Takuya Teranishi, Mitsuru Kutsuwada, Yusuke Watanabe, Natsumi Mukouzaka
Filed: 27 Aug 18
Utility
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16 Feb 21
A prepreg including: a component (A); a component (B); and a component (C), in which the component (A) is a reinforced fiber substrate, the component (B) is an epoxy resin composition, the component (C) is a component (c1) or a component (c2), the component (c1) includes polyamide particles and thermosetting polyimide particles, and the component (c2) includes spherical polyamide particles having a melting point of 140° C. to 175° C.
Yukihiro Harada, Atsushi Nohara
Filed: 16 Sep 19
Utility
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16 Feb 21
The present invention can ensure a large capacity while curbing enlargement of occupancy space or quality degradation due to unstable winding of a fiber-reinforced resin material.
Kazuyuki Terada, Keigo Yoshida
Filed: 24 Apr 19
Utility
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9 Feb 21
Kazumasa Oota
Filed: 2 Mar 18
Utility
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2 Feb 21
A method for purifying an N-(α-alkoxyethyl)formamide contained in a mixture thereof with a plurality of distillation columns, the plurality of distillation columns being arranged serially, the method including condensing a distillate from the second or any later-stage distillation column to obtain a condensate and returning at least some of the condensate to the preceding distillation column.
Kouji Teramoto, Hitoshi Nishimura
Filed: 22 Apr 19