Patents Assigned to Kuraray Europe GmbH
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Patent number: 12030280Abstract: Provided herein are multilayer polymeric interlayers comprising ionomers and acoustic damping compositions, and glass laminates made from them, which provide an improved combination of hurricane resistance, acoustic damping properties and, optionally, solar barrier performance.Type: GrantFiled: February 4, 2020Date of Patent: July 9, 2024Assignee: KURARAY EUROPE GMBHInventors: Rebecca L. Smith, Alejandro Gonzalez, Stephen J. Bennison
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Patent number: 12017443Abstract: The present invention relates to a laminate structure comprising an adhesive polymeric interlayer (API) that comprises discrete zones. Such discrete zones are located at the interface of the API and the glass substrate. Generally, the discrete zones comprise two sets of discrete zones, debonding and adhesive. These zones allow for a unique combination of modified API-glass debonding, laminate toughness, and laminate durability. Various spatial patterns and densities of debonding are described, as well as the resulting material properties.Type: GrantFiled: May 24, 2021Date of Patent: June 25, 2024Assignee: Kuraray Europe GmbHInventors: Charles Anthony Smith, Stephen John Bennison
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Publication number: 20240084118Abstract: The present invention relates to thermoplastic elastomeric compositions comprising polyolefins, styrene-b-ethylene-ethylene-propylene-b-styrene block copolymers and optionally, a plasticizers, laminates comprising the same as well as their use in disposable hygiene and medical products.Type: ApplicationFiled: December 7, 2021Publication date: March 14, 2024Applicant: KURARAY EUROPE GMBHInventors: Marcel GRÜNDKEN, Akira MATSUMOTO
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Publication number: 20240051272Abstract: The present invention relates to a laminate structure comprising a composite adhesive polymeric interlayer (CAPI) comprising at least two layers: (i) a submicron-thick superbonding layer and/or a top adhesive polymeric interlayer (TAPI) and (ii) a bulk adhesive polymeric interlayer (BAPI). If the TAPI is present, it comprises cohesive substantially discrete and/or continuous debonding zones. Such debonding zones are located preferably within the 10% thickness of CAPI from the interface of said CAPI and the glass substrate. These zones allow for a unique combination of modified API-glass debonding, laminate toughness, and laminate durability. Various spatial patterns and densities of debonding are described, as well as the resulting material properties.Type: ApplicationFiled: November 24, 2021Publication date: February 15, 2024Applicant: KURARAY EUROPE GMBHInventors: Charles Anthony Smith, Stephen John BENNISON
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Publication number: 20240002645Abstract: The present invention relates to an ionomer resin comprising a carboxylic acid ester unit (A), a carboxylic acid unit (B), a neutralized carboxylic acid unit (C), and an ethylene unit (D), wherein, based on the total of monomer units constituting the ionomer resin, the content of the carboxylic acid ester unit (A) is 0.01 to 1.8 mol %, and the total content of the carboxylic acid ester unit (A), the carboxylic acid unit (B), and the neutralized carboxylic acid unit (C) is 6 to 10 mol %, and based on measurement of the molecular weight in terms of polyethylene by GPC with the carboxylic acid unit (B) and the neutralized carboxylic acid unit (C) being converted into a methyl carboxylate unit, the ratio of a low-molecular-weight component having a molecular weight of 2,500 g/mol or less obtained from an integral molecular weight distribution curve is 2.6 to 4.0 mass %, and the number average molecular weight is 8,000 to 14,000 g/mol.Type: ApplicationFiled: November 19, 2021Publication date: January 4, 2024Applicant: Kuraray Europe GmbHInventors: Atsuhiro NAKAHARA, Takuro NIIMURA, Kenta TAKEMOTO, Yoshiaki ASANUMA
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Publication number: 20230382087Abstract: This invention relates to a glass laminate containing an interlayer based on a specified ethylene vinyl acetate-based resin composition, which is particularly suitable for higher temperature applications where polymer creep can be an issue, such as overhead architectural glazing, spandrels and bolted laminate applications, and particularly for locations where the glazing temperature can exceed 50° C., and even 60° C., for an extended period.Type: ApplicationFiled: September 21, 2021Publication date: November 30, 2023Applicant: KURARAY EUROPE GMBHInventors: Charles Anthony SMITH, Stephen BENNISON
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Publication number: 20230373196Abstract: The invention is directed to multilayer sound dampening interlayer films comprising ethylene vinyl acetals.Type: ApplicationFiled: September 21, 2021Publication date: November 23, 2023Applicant: KURARAY EUROPE GMBHInventors: Greta BECKER, Jan BEEKHUIZEN, Michael HAERTH, Christian JANSSEN
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Publication number: 20230331887Abstract: The present invention relates to an ionomer resin, comprising a (meth)acrylic acid unit (A), a neutralized (meth)acrylic acid unit (B) and an ethylene unit (C), wherein a total content of the unit (A) and the unit (B) is 6 to 10% by mole based on all monomer units constituting the ionomer resin, and the content of a transition metal in the ionomer resin is 0.01 to 100 mg/kg.Type: ApplicationFiled: September 22, 2021Publication date: October 19, 2023Applicant: KURARAY EUROPE GMBHInventors: Takuro NIIMURA, Kenta TAKEMOTO, Atsuhiro NAKAHARA, Yoshiaki ASANUMA
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Publication number: 20230202148Abstract: A polyvinyl acetal resin film, having an average surface roughness Rz of at least one surface of 3.0 ?m or less; a birefringence ?n of 3.0×10?4 or less; and an average thickness of 200 ?m or less.Type: ApplicationFiled: February 13, 2023Publication date: June 29, 2023Applicant: KURARAY EUROPE GMBHInventors: Hiroyuki ARISHIMA, Koichiro ISOUE, Hirotaka YASUDA, Toshiyuki IGUCHI
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Patent number: 11623985Abstract: The present invention relates to a polyvinyl acetal resin film, comprising a polyvinyl acetal resin material, wherein the polyvinyl acetal resin film has a thickness of 5 to 350 ?m, and satisfies the following Formulae (1) and (2) where, comparing one surface and the other surface, a mean value of the 10-point average roughness of a rougher surface A and a mean value of the 10-point average roughness of a smoother surface B are defined as Rz1(a) ?m and Rz2(a) ?m, respectively: Rz1(a)>1.1×Rz2(a)??(1) 3>Rz2(a)??(2), a value obtained by dividing the standard deviation of the 10-point average roughness of the surface A by Rz1(a) and a value obtained by dividing the standard deviation of the 10-point average roughness of the surface B by Rz2(a) are each 0 to 0.30, a viscosity of a toluene/ethanol (1:1, mass ratio) solution containing 10%-by-mass of a polyvinyl acetal resin contained in the polyvinyl acetal resin material, which is measured at 20° C.Type: GrantFiled: September 25, 2019Date of Patent: April 11, 2023Assignee: KURARAY EUROPE GmbHInventors: Yoshiaki Asanuma, Koichiro Isoue
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Patent number: 11541640Abstract: A circuit-including film comprising: a resin film (1); and a conductive fine wire circuit (A) and a conductive circuit (B) independent of the conductive fine wire circuit (A), which are arranged on one surface of the resin film (1), wherein the resin film (1) contains at least one resin selected from the group consisting of a polyvinyl acetal resin, an ionomer resin and an ethylene-(vinyl acetate) copolymer resin.Type: GrantFiled: December 27, 2018Date of Patent: January 3, 2023Assignee: Kuraray Europe GmbHInventors: Yuhi Shimazumi, Koichiro Isoue, Jun Koishikawa
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Patent number: 11518145Abstract: A laminate comprising a base material film, a resin layer (1) having a detachable surface, and a heat-generating conductive layer in this order.Type: GrantFiled: December 27, 2018Date of Patent: December 6, 2022Assignee: KURARAY EUROPE GMBHInventors: Hiroyuki Arishima, Koichiro Isoue, Hirotaka Yasuda
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Patent number: 11518147Abstract: The present invention relates to a method for recycling an intermediate film for laminated glass, comprising a step of separating a layer comprising an A layer and a layer comprising a B layer from the intermediate film for laminated glass (1) comprising at least the A layer and the B layer.Type: GrantFiled: June 8, 2018Date of Patent: December 6, 2022Assignee: KURARAY EUROPE GMBHInventors: Takuya Kobayashi, Masaaki Hirahara, Takayuki Shimizu, Tatsuya Ueda
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Patent number: 11504951Abstract: A polyvinyl acetal resin film for laminated glass, a viscosity of toluene/ethanol=1/1 (by mass ratio) solution of a polyvinyl acetal resin in a resin composition constituting the polyvinyl acetal resin film with a concentration of 10% by mass, measured at 30 rpm and 20° C. by using a Brookfield-type (B-type) viscometer, being more than 200 mPa·s, the polyvinyl acetal resin film comprising a plasticizer in an amount of 0 to 20% by mass based on a total mass of the resin composition constituting the polyvinyl acetal resin film, and the polyvinyl acetal resin film having a thickness of 10 to 350 ?m.Type: GrantFiled: March 27, 2018Date of Patent: November 22, 2022Assignee: KURARAY EUROPE GMBHInventors: Koichiro Isoue, Hirotaka Yasuda, Jun Koishikawa, Uwe Keller
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Publication number: 20220363037Abstract: Laminated glass having two glass sheets are laminated by an adhesive interlayer film with specific inks having a pH?7 applied to at least one side of the interlayer.Type: ApplicationFiled: July 9, 2020Publication date: November 17, 2022Applicant: KURARAY EUROPE GMBHInventors: Uwe KELLER, Florian MUMMY, Bastian EBELING
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Patent number: 11465392Abstract: An interlayer film for a laminated glass, containing in sequence an A layer, a C layer, and an A layer, and also containing a B layer at any place between or outside these layers, wherein each A layer contains a first thermoplastic resin, a resin material constituting each A layer has a tan ? peak of ?30° C. to 10° C., the resin material of at least one layer of the A layers has a peak height of a tan ? of 1.5 or more, the B layer contains a second thermoplastic resin, and is constituted of a resin material different from the resin material constituting the A layer, and the C layer is a layer composed of an inorganic glass having a thickness of 0.1 mm to 1.5 mm, or a layer having a thickness of 0.25 mm to 2.5 mm and containing a third thermoplastic resin.Type: GrantFiled: June 27, 2019Date of Patent: October 11, 2022Assignee: KURARAY EUROPE GMBHInventor: Hiroyuki Arishima
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Patent number: 11396160Abstract: Laminated glass having an opaque frame area is obtained by laminating at least one film A containing polyvinyl acetal PA and optionally at least one plasticiser WA and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB between two glass sheets, wherein prior to lamination the amount of plasticiser WA in film A is less than 22% by weight the amount of plasticiser WB in film B is at least 22% by weight and film A comprises at least on one surface a non-transparent region.Type: GrantFiled: August 1, 2018Date of Patent: July 26, 2022Assignee: KURARAY EUROPE GMBHInventors: Charles Butler, Uwe Keller, Niklas Steinbach, Robert Fuss
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Publication number: 20220152985Abstract: A laminated glass capable of producing an observable pattern when edge-illuminated contains two sheets of glass adhered by an adhesive film of at least one film B containing a polyvinyl acetal PB and at least one plasticizer WB; and at least one film A or an area thereof containing a polyvinyl acetal PA and optionally at least one plasticizer WA, wherein the refractive indices of film A and film B differ by at least 0.0002.Type: ApplicationFiled: February 21, 2020Publication date: May 19, 2022Applicant: KURARAY EUROPE GMBHInventors: Ion LAZAR, Robin ESCHRICH, Leonard VOLPI
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Patent number: 11260628Abstract: Laminated glass contains two glass sheets interlayered with at least one polymer film C which is provided with a coating A comprising a polyvinyl acetal PA and optionally at least one plasticiser WA, and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB wherein coating A comprises less than 16% by weight of plasticiser, film B comprises at least 16% by weight of plasticiser, and film C comprises polyamide, polyethylene terephthalate, polybutylene terephthalate, polyvinyl alcohol, polylactic acid, polyethylen furanoate cellulose acetate, polymethyl methacrylates, polyethylene naphthalate, ionomers, or combinations thereof, wherein film C is located between coating A and film B.Type: GrantFiled: November 6, 2017Date of Patent: March 1, 2022Assignee: KURARAY EUROPE GMBHInventor: Uwe Keller
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Patent number: 11161327Abstract: Penetration resistant laminated glass is obtained by laminating at least one film A containing a polyvinyl acetal PA and optionally at least one plasticiser WA and at least one film B containing a polyvinyl acetal PB and at least one plasticiser WB between two glass sheets, where prior to lamination, the amount of plasticiser WA in film A is less than 16% by weight, the amount of plasticiser WB in film B is at least 16% by weight, and film A comprises at least 7 ppm alkali ions.Type: GrantFiled: April 7, 2016Date of Patent: November 2, 2021Assignee: KURARAY EUROPE GMBHInventor: Uwe Keller