Patents Examined by Anish P. Desai
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Patent number: 12104093Abstract: An object of the present invention is to provide an emulsion-based adhesive having excellent adhesive force, excellent heat resistance of adhesive force, excellent holding power, less adhesive residue and good “tack”. According to the present invention, an emulsion-based adhesive comprising: a styrene-butadiene rubber; a natural rubber; and a tackifier, wherein a gel fraction of the styrene-butadiene rubber is 20 to 60% by mass, a content of the natural rubber with respect to 100 parts by mass of the styrene-butadiene rubber is 10 to 35 parts by mass, a content of the tackifier with respect to 100 parts by mass of the styrene-butadiene rubber is 100 to 150 parts by mass, and a ratio of a styrene monomer unit in a total amount of the styrene-butadiene rubber and the natural rubber contained in the adhesive is 5 to 15% by mass, is provided.Type: GrantFiled: July 4, 2019Date of Patent: October 1, 2024Inventors: Yuto Honda, Fumio Ogata, Daisuke Yoshimura, Syota Sawamura
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Patent number: 12098304Abstract: The present invention provides pre-applied contact adhesives that maintains strong cohesiveness over extended time and varied temperature conditions, while balancing low adhesiveness to other substrates. The pre-applied adhesives are applied onto paperboard, corrugated board, Kraft paper, paper, plastic film, glass, and are suitable as label, package, envelope, carton, case, box, label, bag, multilayer film, foil bag, bottle or band.Type: GrantFiled: September 25, 2020Date of Patent: September 24, 2024Assignee: HENKEL AG & CO. KGaAInventor: Chuiwah Alice Cheung
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Patent number: 12091595Abstract: Provided is a curable organopolysiloxane releasing agent composition for a thermally sensitive paper wherein a releasing layer that has high adhesion and a good peeling force that is cured quickly at a low temperature without producing curing failures when coated on a thermally sensitive coloring layer, and that is resistant to gellification at room temperature, and that has superior ease of handling, can be formed. The curable organopolysiloxane releasing agent composition comprises: (A) one or more organopolysiloxanes having an alkenyl group with a number of carbon atoms between 4 and 12, where the inclusion proportion of vinyl (CH2?CH—) within the alkenyl group is between 0.5 and 3.0 mass %; (B) an organohydrogen polysiloxane having at least two silicon-bonded hydrogen atoms (Si—H) in a single molecule; (C) a hydrosilylation reaction catalyst; and (D) a hydrosilylation reaction inhibiting agent.Type: GrantFiled: November 27, 2018Date of Patent: September 17, 2024Assignee: DOW TORAY CO., LTD.Inventor: Shuji Endo
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Patent number: 12084605Abstract: An adhesive film formed of an adhesive composition including a (meth)acrylic copolymer including an alkylene glycol group and a cyclic functional group while satisfying Equation 3 and Equation 4 herein, an optical member including the same, and an optical display including the same, are provided.Type: GrantFiled: October 8, 2019Date of Patent: September 10, 2024Assignee: Samsung SDI Co., Ltd.Inventors: Ji Ho Kim, Ji Won Kang, Il Jin Kim, Sung Hyun Mun, Kyoung Gon Park, Gwang Hwan Lee, Jin Young Lee, Jae Hyun Han
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Patent number: 12084606Abstract: A tape assembly for masking an object to be painted and method of use is provided. The tape assembly is defined by a tape body having an anterior side, a posterior side, a body first edge, and an opposing body second edge. The tape body includes a first portion including a first substrate having a first adhesive layer on a posterior side of the first substrate, a second portion including a second substrate having a second adhesive layer on an anterior side of the second substrate, and a third portion including a third substrate having a third adhesive layer on a posterior side of the third substrate. The first and third portions partially overlap with the second portion in opposing first and second overlapping regions, respectively.Type: GrantFiled: December 22, 2020Date of Patent: September 10, 2024Assignee: tesa SEInventors: Robert J. Fallon, Joseph J. Carroll, Clint R. Bierstetel
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Patent number: 12084604Abstract: A dry shape memory adhesive material for adhering a target surface in the presence of fluid and for providing tunable mechanical contraction of an adhered surface. The dry shape memory adhesive material is pre-stretched and dried to provide an adhesive structure that implements a hydration-based shape memory mechanism to achieve both uniaxial and biaxial contractions of the adhered surface. According to preferred embodiments, the shape memory adhesive material includes a combination of one or more hydrophilic polymers or copolymers, one or more amine coupling group, and one or more cross linkers.Type: GrantFiled: February 8, 2022Date of Patent: September 10, 2024Assignee: Massachusetts Institute of TechnologyInventors: Xuanhe Zhao, Hyunwoo Yuk, Heejung Roh
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Patent number: 12077686Abstract: A temporary adhesive has excellent spin coating properties of a circuit side of a wafer and a support, and excellent heat resistance when the circuit side of the wafer or the support is attached to an adhesion layer or a rear surface of the wafer is processed, and is capable of easily separating the circuit side of the wafer from the support after polishing the rear surface of the wafer, and simply removing an adhesive attached to the wafer or the support after the separation. The adhesive contains a component (A) to be cured by a hydrosilylation reaction, and a component (B) containing an epoxy-modified polyorganosiloxane at a ratio in % by mass of the component (A) to the component (B) of 99.995:0.005 to 30:70. The component (B) is an epoxy-modified polyorganosiloxane having an epoxy value of 0.1 to 5.Type: GrantFiled: May 23, 2018Date of Patent: September 3, 2024Assignee: NISSAN CHEMICAL CORPORATIONInventors: Kazuhiro Sawada, Tetsuya Shinjo, Hiroshi Ogino, Satoshi Kamibayashi, Shunsuke Moriya
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Adhesive sheet for temporary attachment and method for producing semiconductor device using the same
Patent number: 12065595Abstract: The present disclosure relates to an adhesive sheet for temporary attachment which is excellent in heat resistance and can realize sufficient adhesive strength even when being subjected to a high temperature process during the semiconductor production process, and can exhibit a sufficient reduction in adhesive strength due to photocuring in a peeling step, and a method for producing a semiconductor device using the same.Type: GrantFiled: April 11, 2019Date of Patent: August 20, 2024Assignee: LG CHEM, LTD.Inventors: Sera Kim, Ji Ho Han, Mi Jang, Kwang Joo Lee -
Patent number: 12060263Abstract: A provided protective cover member is a protective cover member configured to be placed on a face of an object, the face having an opening. The protective cover member includes a laminate, and the laminate includes: a protective membrane having a shape configured to cover the opening when the member is placed on the face; and an adhesive agent layer. The adhesive agent layer includes a thermosetting adhesive layer including a thermosetting resin composition. The thermosetting resin composition has a storage modulus of 1×105 Pa or more at 130 to 170° C. The above protective cover member is suitable for reducing deformation thereof and/or peeling thereof from a placement face in a high-temperature treatment such as reflow soldering.Type: GrantFiled: August 5, 2021Date of Patent: August 13, 2024Assignee: NITTO DENKO CORPORATIONInventors: Hiroki Kigami, Kenji Onishi
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Patent number: 12060505Abstract: Provided are double-coated tapes that include, in the following order: a first pressure-sensitive adhesive layer; a first plastic skin layer; an elastic base layer; a second plastic skin layer; and a second pressure-sensitive adhesive layer. The provided double-coated adhesive tapes can provide a combination of high bond strength, reworkability, and high impact and shock resistance, and can be easily converted using a die cutting process.Type: GrantFiled: February 17, 2016Date of Patent: August 13, 2024Assignee: 3M Innovative Properties CompanyInventors: Jingjing Ma, You-Hoon Kim, Christopher J. Rother, Gregory L. Bluem, Zhong Chen, Sarang V. Deodhar, Peter J. Klopp
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Patent number: 12049578Abstract: A pressure sensitive hot melt adhesive is provided including at least one olefin block copolymer, a hydrogenated hydrocarbon tackifier, and a plasticizer. The adhesive is free from any oil containing constituents and the pressure sensitive label with the adhesive exhibits desired adhesion performance in low temperature as well as in normal temperature for a host of different substrates. The adhesive also resistant to yellowing, water-whitening and is non-swelling. The adhesive and the label enables recycling in recycling streams when the face material and/or substrate being labeled is also of olefin based material.Type: GrantFiled: July 21, 2021Date of Patent: July 30, 2024Assignee: Avery Dennison CorporationInventors: Jarkko T. Pitko, Sebastiaan B. Damman
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Patent number: 12040213Abstract: A processing tape may include a base layer, an adhesive layer disposed on the base layer, a protection release film on the adhesive layer, and a first release layer interposed between the adhesive layer and the protection release film. The first release layer may include a silicone-based material and may be non-photo-curable.Type: GrantFiled: March 3, 2021Date of Patent: July 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hwail Jin, Seon Ho Lee, Yeongseok Kim
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Patent number: 12031068Abstract: A laminate is provided, more particularly an adhesive tape, comprising a) a release liner having at least one carrier layer (CL) and also, applied to this carrier layer (CL), at least one silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives, and b) at least one further layer (L1), comprising polyacrylate-based adhesives with low tack at room temperature or heat-activable bondable adhesives which have little or no pressure-sensitive adhesion at room temperature. The use of an arrangement as a release liner is also provided, where the arrangement comprises a carrier layer (CL) and also, applied to this carrier layer (CL), a silicone coating (SC) of specific addition-crosslinked or radically crosslinked pressure-sensitive silicone adhesives.Type: GrantFiled: January 15, 2019Date of Patent: July 9, 2024Assignee: tesa SEInventors: Nikolay Belov, Tobias Winkler, Birgit Sommer
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Patent number: 12024659Abstract: Adhesive seals include an elastic sealing sheet, an adhesive layer, and a release sheet on the adhesive layer.Type: GrantFiled: May 30, 2018Date of Patent: July 2, 2024Assignee: 3M Innovative Properties CompanyInventors: Martin J. O. Widenbrant, Taylor M. Seabough
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Patent number: 11993059Abstract: A multi-layer film for seal-peel applications, an article comprising said film and the use of said film a disclosed. The multi-layer film for seal-peel application comprising at least two layers, namely a cover layer and a seal layer, whereby the seal layer comprises between 25 and 80 wt. % of EVA and between 20 and 75 wt. % of LLDPE based on the total weight of the layer.Type: GrantFiled: November 8, 2017Date of Patent: May 28, 2024Assignee: SABIC GLOBAL TECHNOLOGIES B.V.Inventors: Ling Fan, Jana Hrachova, Bart Van Den Esschert, Jun Zhou, Feng Gong
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Patent number: 11993738Abstract: An adhesive tape for winding around cables includes a carrier (T) with a first layer (1) made of woven fabric and with a second layer (2) made of a sewn bonded fiber fleece, wherein both layers rest fully upon each other. Between the first layer (1) and second layer (2) there is a first adhesive layer (3), wherein the second layer (2) features at least in part a second adhesive layer (4) which is arranged on the opposite side to the first adhesive layer (3). The first layer (1) features a surface weight of 100 to 200 g/m2, wherein the material of the first adhesive layer (3) comprises an adhesive and the material of the second adhesive layer (4) comprises an adhesive. The second layer (2) features a surface weight of 60 to 160 g/m2.Type: GrantFiled: April 18, 2019Date of Patent: May 28, 2024Assignee: Coroplast Fritz Müller Gmbh & Co. KGInventors: Christoph Frigge, Stephan Wuth, Guido Vorwerk
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Patent number: 11987733Abstract: An acrylic adhesive composition including an acrylic copolymer formed by polymerizing a monomer mixture is provided. The monomer mixture includes a monomer represented by [Formula 1], a (meth)acrylic monomer having a crosslinkable functional group, and an alkyl (meth)acrylate-based monomer. The acrylic copolymer has a branched polymer structure. The acrylic composition also includes a polyfunctional acrylate having two or more radically polymerizable functional groups, a first photoinitiator, and a second photoinitiator, wherein the first photoinitiator is an acetophenone-based photoinitiator, and the second photoinitiator is a phosphine oxide-based photoinitiator.Type: GrantFiled: September 24, 2020Date of Patent: May 21, 2024Assignee: LG Chem, Ltd.Inventors: Min Ki Lee, Kee Young Kim, Dong Jo Ryu
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Patent number: 11970595Abstract: Silicone-free extruded release liner for acrylic adhesives that is stable at high temperatures, has advantageous surface energy characteristics, has minimal impact on adhesive performance, and has minimal environmental impact comprising a composition that includes a thermoplastic polymer and a fluoroadditive represented by the structure (I), wherein X is a meta-substituted or a para-substituted benzene ring and each n is independently a whole number from 0 to 3, inclusive. Methods of preparing the composition, the fluoroadditive, and the release liner.Type: GrantFiled: December 23, 2021Date of Patent: April 30, 2024Assignee: 3M Innovative Properties CompanyInventors: Georgiy Teverovskiy, Maria A. Appeaning, Derrick M. Poirier, Troy J. Anderson
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Patent number: 11958992Abstract: Plasticizer migration-resistant, UV-curable hotmelt adhesive for graphics films and labels made of plasticized PVC Described here is a UV-curable hotmelt adhesive largely resistant to plasticizer migration and comprising a UV-crosslinkable poly(meth)acrylate formed from methyl acrylate, C4-18 alkyl (meth)acrylate, monomer with acid groups, copolymerized photoinitiator and optionally further monomers. The hotmelt adhesive further comprises an aliphatic polyester polymer. The use of the hotmelt adhesive on graphics films and self-adhesive labels made of plasticized PVC is also described.Type: GrantFiled: September 28, 2018Date of Patent: April 16, 2024Assignee: BASF SEInventors: Dirk Wulff, Ulrike Licht, Thomas Christ, Matthias Gerst
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Patent number: 11952190Abstract: A removeable band for confining a stack of cutlery pieces. The band can include a body having a first surface and a second surface that oppose one another, the body being an elongated strip of fiber-based material. A coating can be disposed on at least a portion of the first surface of the body, and an adhesive section can be disposed on at least a portion of the coating. The adhesive section can be configured to adhere to the second surface of the body when a first end and a second end of the body at least partially overlap to form a continuous band.Type: GrantFiled: March 29, 2019Date of Patent: April 9, 2024Assignee: GPCP IP Holdings LLCInventor: Erik Lips