Patents Assigned to Kuraray Trading Co., Ltd.
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Publication number: 20230366132Abstract: Provided are a sea-island type composite multifilament which includes a thermoplastic elastomer resin as an island component, and an ultrafine multifilament prepared from such a sea-island type composite multifilament. The sea-island type composite multifilament includes an island component and a sea component. The island component includes a thermoplastic elastomer resin (A) having at least one of a Shore A hardness of 90 or less, a Shore D hardness of 60 or less, or a Rockwell hardness (R scale) of 70 or less. The sea component includes a water-soluble or easily alkali-soluble thermoplastic resin (B). The sea-island type composite multifilament has an average single island diameter of 8000 nm or less.Type: ApplicationFiled: July 11, 2023Publication date: November 16, 2023Applicant: KURARAY TRADING CO., LTD.Inventors: Takayuki IKEDA, Hitoshi Nakatsuka, Shinya Kawakado, Kohei Yamasaki
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Publication number: 20230272145Abstract: A composite fiber contains a component A as a core component and a component B at least partially covering the component A. The component A contains a vibration damping elastomer having a peak top intensity of tan ? of 0.5 or more. The component B contains a thermoplastic elastomer having a peak top intensity of tan ? of less than 0.5. The component B covers 70% or more of the cross-sectional perimeter of the component A in the fiber cross-section.Type: ApplicationFiled: October 4, 2021Publication date: August 31, 2023Applicant: KURARAY TRADING CO., LTD.Inventors: Kohei YAMASAKI, Hitoshi NAKATSUKA, Takayuki IKEDA, Shoji ONOGI
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Patent number: 11499045Abstract: Provided are: a compound resin containing a hydrogenated block copolymer (X) that is a hydrogenated product of a block copolymer having a polymer block (A) mainly composed of a structural unit derived from an aromatic vinyl compound and a polymer block (B) mainly composed of a structural unit derived from a conjugated diene compound, at least one terminal of which is formed of the polymer block (A), and an oil (Y) having a kinematic viscosity at 40° C. of 25 mm2/s or less, the content of the oil (Y) relative to 100 parts by mass of the hydrogenated block copolymer (X) being 450 to 1,500 parts by mass; and a human body model containing the compound resin.Type: GrantFiled: November 28, 2017Date of Patent: November 15, 2022Assignee: KURARAY TRADING CO., LTD.Inventor: Masaru Ishii
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Publication number: 20210259231Abstract: The ambulatory insect pest-trapping device includes a contact portion at which one end of an adhesive sheet is connected to one end of a walkway sheet. Another end of the adhesive sheet is arranged apart from another end of the walkway sheet. A space for housing an ambulatory insect pest B is formed between the adhesive sheet and the walkway sheet, and an entrance is formed between the other end of the adhesive sheet and the other end of the walkway sheet. The device is formed into a tapered shape such that a distance between the adhesive sheet and the walkway sheet gradually decreases in a direction from the entrance toward the contact portion.Type: ApplicationFiled: June 28, 2019Publication date: August 26, 2021Applicant: KURARAY TRADING CO., LTD.Inventor: Eiji AKIBA
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Publication number: 20190390054Abstract: Provided are: a compound resin containing a hydrogenated block copolymer (X) that is a hydrogenated product of a block copolymer having a polymer block (A) mainly composed of a structural unit derived from an aromatic vinyl compound and a polymer block (B) mainly composed of a structural unit derived from a conjugated diene compound, at least one terminal of which is formed of the polymer block (A), and an oil (Y) having a kinematic viscosity at 40° C. of 25 mm2/s or less, the content of the oil (Y) relative to 100 parts by mass of the hydrogenated block copolymer (X) being 450 to 1,500 parts by mass; and a human body model containing the compound resin.Type: ApplicationFiled: November 28, 2017Publication date: December 26, 2019Applicant: KURARAY TRADING CO., LTD.Inventor: Masaru ISHII
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Publication number: 20190116777Abstract: A mite-capturing sheet (1) includes an adhesive sheet (3) that captures mites and a resin sheet (4) placed on the adhesive sheet (3) and containing an attractant. The resin sheet (4) has a plurality of resin sheet openings (5) that expose the adhesive sheet (3).Type: ApplicationFiled: March 1, 2017Publication date: April 25, 2019Applicant: KURARAY TRADING CO., LTD.Inventor: Eiji AKIBA
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Patent number: 9353465Abstract: Provided is a bulked yarn, comprising a bulked single spun yarn obtained from a composite twisted yarn comprising a single spun yarn and a water-soluble yarn, which are twisted together in a direction opposite to a twisting direction of the single spun yarn, by dissolving and removing the water-soluble yarn in a hydrophilic solvent from the composite twisted yarn. When the bulked yarn having a length of 100 cm is hung down in a state where both ends of the yarn are fixed at a distance of 10 cm from each other in a direction perpendicular to the direction of gravitational force, twisting does not occur or an average value of the distances from the uppermost end of a twisting section to the first and second fixed ends of the yarn is 30 cm or more.Type: GrantFiled: April 20, 2011Date of Patent: May 31, 2016Assignees: Kuraray Trading Co., Ltd., Asano Nenshi Co., Ltd.Inventors: Koichi Teshima, Masami Asano
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Publication number: 20130037163Abstract: A bulked yarn comprising a bulked single spun yarn obtainable from a composite twisted yarn in which a single spun yarn and a water-soluble yarn together in a direction opposite to the twisting direction of the single spun yarn by dissolving and removing the water-soluble yarn in a hydrophilic solvent from the composite twisted yarn is prepared. When the bulked yarn with a length of 100 cm is hung down in a state where both ends of the yarn are fixed at a distance of 10 cm from each other in a direction perpendicular to the direction of gravitational force, twisting does not occur or an average value of the distances from the uppermost end of a twisting section to the first and second fixed ends of the yarn is 30 cm or more. The bulked yarn has excellent texture, lightweight properties, and anti-pilling properties, as well as excellent weaving and knitting properties and productivity.Type: ApplicationFiled: April 20, 2011Publication date: February 14, 2013Applicants: ASANO NENSHI CO LTD, KURARAY TRADING CO LTDInventors: Koichi Teshima, Masami Asano
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Patent number: 7520121Abstract: A textile includes a composite twisted yarn, including a spun yarn and a water-soluble yarn. The spun yarn has a twist direction that is a reverse of a twist direction of the composite twisted yarn. The water-soluble yarn is twisted with the spun yarn. A twist number of the composite twisted yarn is 1.3 to 3 times a twist number of the spun yarn, and a weight ratio of the spun yarn relative to the water-soluble yarn [spun yarn]/[water-soluble yarn] is 20/80 to 98/2. An other textile may also include an elongated elastic yarn having an elongation of 2 to 5 times an original length of the elastic yarn in a non-elongated position, and the elongated elastic yarn is twisted with the water-soluble yarn and the spun yarn. A twist number of the composite twisted yarn is 0.3 to 3 times a twist number of the spun yarn.Type: GrantFiled: March 14, 2005Date of Patent: April 21, 2009Assignees: Kuraray Trading Co., Ltd., Asano Nenshi Co., Ltd.Inventors: Koichi Teshima, Masami Asano
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Publication number: 20070214765Abstract: To produce a textile or fabric having a high yarn strength and a high stretching property. The textile or fabric does not cause troubles such as a thread breakage even in weaving or knitting with a high-speed weaving or knitting machine. To prepare a composite twisted yarn which at least comprises a spun yarn and a water-soluble yarn twisted with the spun yarn, wherein the twist direction of the composite twisted yarn is reverse to the twist direction of the spun yarn, and the composite twisted yarn fulfils the following requirement (1) or (2) (1) the twist number of the composite twisted yarn is 1.Type: ApplicationFiled: March 14, 2005Publication date: September 20, 2007Applicants: Kuraray Trading Co., Ltd., Asano Nenshi Co., Ltd.Inventors: Koichi Teshima, Masami Asano
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Patent number: 6303078Abstract: A structure comprises, as the major component, a molded member of a thermoplastic resin composition or a fibrous material which may be a fiber of the thermoplastic resin composition, a yarn coated with the thermoplastic resin composition, a rope coated with the thermoplastic resin composition or a woven fabric coated with the thermoplastic resin composition. The thermoplastic resin composition contains an antifouling compound represented by the following formula (1): wherein Y represents hydrogen atom, an alkyl group, an alkenyl group or an aralkyl group, R represents hydrogen atom, a halogen atom or an alkyl group, R′ represents hydrogen atom, a halogen atom or an alkyl group and R and R′ may be bonded to each other to form a benzene ring. The leaching amount of the antifouling compound into an artificial sea water is controlled to 30 mg/cm3 or less at 25° C. and 3 mg/cm3 or more at 15° C.Type: GrantFiled: September 2, 1999Date of Patent: October 16, 2001Assignees: Kuraray Co., Ltd., Kuraray Trading Co., Ltd.Inventors: Takao Shimizu, Masahiko Nanjyo, Shingo Nakanishi