Patents Examined by Scott R Walshon
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Patent number: 12221569Abstract: Provided is an adhesive tape for a semiconductor package manufacturing process. The adhesive type includes: a first adhesive layer formed on a first base film; a second base film formed on the first adhesive layer, in which the second base film changes its shape to conform to the topology of the semiconductor package bottom surface when the adhesive tape is attached to the semiconductor package bottom surface, and containing a metal element so as to independently maintain the changed shape during the process; and a second adhesive layer formed on the second base film, the second adhesive layer having a smaller thickness than the first adhesive layer and having a lower adhesive strength than the first adhesive layer, wherein each of the first adhesive layer and the second adhesive layer has a spiral network molecular structure and includes a first adhesive composition containing silicone.Type: GrantFiled: October 30, 2019Date of Patent: February 11, 2025Assignee: MODU TECH CO., LTD.Inventors: Byeong Yeon Choi, Seung Yol Lee, Suk Hee Kang, Gyung Ju Yoon
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Patent number: 12195912Abstract: A thermally fusible textile fabric usable as a fusible interlining material in the textile industry includes: a backing layer having a textile material on top of which has been applied an adhesive compound structure including a polyurethane coating containing a polyurethane mixture including at least one polyester urethane, at least one polyether urethane, and at least one polycarbonate urethane. The polyurethane mixture has been at least partially crosslinked with a crosslinker including at least one isocyanate blocked with a blocking agent at at least one isocyanate group.Type: GrantFiled: October 26, 2018Date of Patent: January 14, 2025Assignee: CARL FREUDENBERG KGInventors: Steffen Traser, Steffen Kremser
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Patent number: 12183653Abstract: An adhesive film includes a porous metal layer having a plurality of pores therein, a first adhesive layer on one side of the porous metal layer, an adhesive substance at least partially filling the pores of the porous metal layer, and a plurality of first thermal conductive members distributed in the first adhesive layer.Type: GrantFiled: April 22, 2022Date of Patent: December 31, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Joungphil Lee, Myung-Sung Kang, Yeongseok Kim, Gwangsun Seo, Hyein Yoo, Yongwon Choi
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Patent number: 12173199Abstract: A photocurable adhesive sheet may have both step conformability and shape stability and excellent in durability after attachment to an adhering member. Such a photocurable adhesive sheet may include a first adhesive layer, a second adhesive layer, and an intermediate layer interposed between the first and second adhesive layer. The intermediate layer may be a layer that is formed from a resin composition containing a (meth)acrylic copolymer as a main component resin and has a crosslinked structure. The first and/or second adhesive layer may be photocurable resin layers formed from a photocurable resin composition. The fall time in the measurement of holding force at 40° C. under a load of 1 N/cm2 may be 60 minutes or more, while the fall time in the measurement of holding force at 60° C. under a load of 1 N/cm2 may be less than 60 minutes.Type: GrantFiled: January 20, 2021Date of Patent: December 24, 2024Assignee: Mitsubishi Chemical CorporationInventors: Kahoru Ishii, Daiki Nozawa, Makoto Inenaga
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Patent number: 12173200Abstract: A label assembly includes a label print layer with enhanced tensile, tear, and/or stiffness properties. The enhanced property or properties may be achieved by including a reinforcement layer, including a reinforcement material in the adhesive layer, and/or modifying the facestock layer.Type: GrantFiled: April 2, 2020Date of Patent: December 24, 2024Assignee: Avery Dennison CorporationInventors: Farminder Anand, Lauren Kalb
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Patent number: 12163071Abstract: An adhesive article including a tie layer and a silicone adhesive is disclosed. The tie layer includes a segmented copolymer having a first segment that is one of (a) a polyether comprising one of PTMO or PEO/PPO or (b) a polysiloxane. The segmented copolymer has a water absorbency of less than about 13%.Type: GrantFiled: March 13, 2020Date of Patent: December 10, 2024Assignee: 3M Innovative Properties CompanyInventors: Jennifer N. Hanson, Kiu-Yuen Tse, Amanda C. Engler, Pamela A. Percha
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Patent number: 12163066Abstract: An embodiment of the present invention provides an electrical steel sheet including: an upper adhesive layer positioned on an upper surface of an electrical steel sheet; and an lower adhesive layer positioned on a lower surface of the electrical steel sheet, wherein the upper adhesive layer has a pencil hardness of F or lower, and the lower adhesive layer has a pencil hardness of H or higher.Type: GrantFiled: November 26, 2019Date of Patent: December 10, 2024Assignee: POSCO Co., LtdInventors: Bongwoo Ha, Jung-Woo Kim, Taeyoung No, Dong-Gyu Lee
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Patent number: 12163070Abstract: Curable adhesive films, primers for adhesion of curable adhesive films, and adhesive systems comprising adhesive films and primers are provided. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising a blend of: a) a first film-forming polymer or oligomer; b) a first species comprising first unsaturated free-radically polymerizable groups, which may be a) or a species other than a); and c) a first transition metal cation; and II) a primer for adhesion of a curable adhesive free-standing film to a first substrate comprising an oxidizing agent. In some embodiments, an adhesive system comprises: I) a curable adhesive free-standing film comprising an outer surface bearing embossed air bleed channels capable of aiding in escape of air during application of the outer surface to a primed substrate; and II) a primer comprising components that initiate cure of the curable adhesive free-standing film.Type: GrantFiled: February 8, 2019Date of Patent: December 10, 2024Assignee: 3M Innovative Properties CompanyInventors: Shantanu R. Ranade, Alexander J. Kugel, Kai U. Claussen, Rachna Khurana, Dean M. Moren, William H. Sikorski, Jr., Erik M. Townsend
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Patent number: 12116509Abstract: A hot-melt adhesive resin composition includes a modified polyolefin in which a functional group is introduced into a polyolefin, a solid phenol resin, and a crosslinking agent, wherein the content of the modified polyolefin is 10 parts by mass or more and 40 parts by mass or less, based on 100 parts by mass of the total of the modified polyolefin and the solid phenol resin, and the modified polyolefin and the crosslinking agent are mixed so that a functional group possessed by the crosslinking agent is more than 1.0 equivalent and 5.0 equivalents or less, based on 1.0 equivalent of a functional group possessed by the modified polyolefin.Type: GrantFiled: September 10, 2019Date of Patent: October 15, 2024Assignee: FUJIMORI KOGYO CO., LTD.Inventors: Kunihiro Takei, Hirokazu Iizuka
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Patent number: 12104100Abstract: An adhesive composition contains at least a polymer and an ionic liquid. The adhesive composition includes components such that when an ionic liquid-free adhesive layer is formed of a composition composed of the components of the adhesive composition that are other than the ionic liquid among components contained in the adhesive composition, the ionic liquid-free adhesive layer has a relative permittivity of 5 or more at a frequency of 100 Hz, after being left to stand in an environment of 22° C. and 20% RH for 3 days.Type: GrantFiled: August 30, 2019Date of Patent: October 1, 2024Assignee: NITTO DENKO CORPORATIONInventors: Kaori Mizobata, Kaori Akamatsu, Mika Takashima, Masayuki Okamoto
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Patent number: 12101958Abstract: An organic electronic device including a substrate, an organic electronic element formed on the substrate, and an encapsulation film encapsulating the organic electronic element. The organic electronic element includes a transparent electrode formed on the substrate, and a light emitting organic material layer formed on the transparent electrode. The light emitting organic material layer includes a hole transport layer, an emitting layer and an electron transport layer. The encapsulation film includes a pressure-sensitive adhesive layer. The pressure-sensitive adhesive layer includes a pressure-sensitive adhesive composition or a crosslinked product thereof. The pressure-sensitive adhesive composition includes a polymer derived from butylene, and has a Mooney viscosity (?*) of 5000 Pa·s to 107 Pa·s measured by a shear stress using a planar jig having a diameter of 8 mm at a strain of 5%, a frequency of 1 Hz and any one temperature point in the range of 30° C. to 150° C.Type: GrantFiled: March 17, 2021Date of Patent: September 24, 2024Assignee: LG CHEM, LTD.Inventors: Hyun Jee Yoo, Hyun Suk Kim, Jung Ok Moon, Se Woo Yang
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Patent number: 12091859Abstract: Asphalt-based roofing materials, such as shingles, are disclosed that include a layer of parting material. The layer of parting material is applied to at least a part of the top, bottom, or both the top and the bottom of the shingle. When the shingle includes the parting material on the bottom, the layer of parting material replaces all or a portion of a backdust layer. When the shingle includes the layer of parting material on the top, the layer of parting material replaces a portion of granules on the shingle. The layer of parting material can be applied to the shingle in patterns and configurations that permit an adhesive to be applied to the shingle and function as intended. The parting material may include a metal salt of a fatty acid, a polyolefin, and/or a crosslinkable silane.Type: GrantFiled: June 28, 2019Date of Patent: September 17, 2024Assignee: Owens Corning Intellectual Capital, LLCInventors: Jonathan M. Verhoff, Scott W. Schweiger, Kevin A. Click, Laurand H. Lewandowski, Benjamin R. Hoffman
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Patent number: 12077693Abstract: An adhesive composition for a foldable display comprising a polymer comprising an alkyl (meth)acrylate and a monomer having a crosslinkable functional group; and a crosslinking agent is provided.Type: GrantFiled: December 11, 2018Date of Patent: September 3, 2024Assignee: LG CHEM, LTD.Inventors: Hyon Gyu Park, Hee Song, Hyunsup Lee, Yoonkyung Kwon
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Patent number: 12077694Abstract: A surface-protective PSA sheet capable of reducing adherend damage and well maintaining appearance, etc is provided. The surface-protective PSA sheet capable of reducing adherend damage and well maintaining appearance, etc., comprises a surface layer, a resin substrate layer and a PSA layer, and has a multilayer structure with the resin substrate layer placed between the surface layer and the PSA layer, wherein the surface layer is a layer obtainable by curing a heat-curable composition comprising the following components: (a) a hydroxyl group-containing (meth)acrylic copolymer having a glass transition temperature of ?40° C. to 30° C.; (b) an allophanate polyisocyanate and/or a biuret polyisocyanate; and (c) a polysiloxane comprising a hydroxyl group-containing hydrocarbon group and/or polymer.Type: GrantFiled: September 27, 2019Date of Patent: September 3, 2024Assignees: ARAKAWA CHEMICAL INDUSTRIES, LTD., NITTO DENKO CORPORATIONInventors: Keita Kume, Yuki Hashimoto, Akihiro Yamazaki, Toru Higashimoto, Eiichi Imoto, Yoshio Nakagawa, Shota Tanaka, Kenichi Nishikawa, Chihiro Yoshida
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Patent number: 12065596Abstract: An adhesive tape includes a substrate [I] and an adhesive agent layer of a polyester adhesive agent provided on at least one of opposite surfaces of the substrate [I]. The substrate [I] is one selected from a polyolefin resin foam substrate, a urethane resin foam substrate, and an acrylic resin foam substrate. The polyester adhesive agent is made from a polyester adhesive agent composition [II] which contains a polyester resin (A) having a weight average molecular weight of 5,000 to 300,000, and having a structural unit derived from a polyol and a structural unit derived from a polyvalent carboxylic acid compound containing an aromatic structure-containing compound in a proportion of not greater than 80 mol %. The adhesive tape is excellent in adherence between a polyester adhesive agent layer and a polyolefin resin foam substrate, a urethane resin foam substrate, or an acrylic resin foam substrate.Type: GrantFiled: February 23, 2021Date of Patent: August 20, 2024Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Takuya Hatakeyama, Kento Sakamoto
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Patent number: 12064950Abstract: A laminating structure of an optical clear binder (OCB) of an optical panel is applied between a display protective cover lens and a display module, or between a touch panel and the display module. The laminating structure includes two transparent low-adhesion adhesive layers and a first optical transparent sheet. One of the transparent low-adhesion adhesive layers is repeatedly removeable and directly attached to the protective cover lens or the touch panel, the other one of the transparent low-adhesion adhesive layers is repeatedly removeable and directly attached to the display module. The first optical transparent sheet is stacked between both the transparent low-adhesion adhesive layers. An upper surface of the first optical transparent sheet and a lower surface of the first optical transparent sheet are directly attached to an optical clear adhesive (OCA) layer.Type: GrantFiled: March 8, 2021Date of Patent: August 20, 2024Assignee: ACUTE TOUCH TECHNOLOGY CO., LTD.Inventor: Gu-Sheng Yu
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Patent number: 12054649Abstract: A multi-layer composition to be located onto a substrate. The composition comprises a bi-layer construction, including a first layer and a second layer, the first layer having a high elastic modulus and tensile strength in comparison to the second layer. The second layer includes a blowing agent such that, when cured, the first layer is spaced away from the substrate. The compositions of the first layer and second layer are similar, thus enabling the reconstitution of scrap into usable material for forming another multi-layer reinforcement.Type: GrantFiled: April 20, 2020Date of Patent: August 6, 2024Assignee: Zephyros, Inc.Inventors: Chris Hable, Michael Czaplicki
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Patent number: 12054655Abstract: A repulpable pressure-sensitive adhesive useful on polar and apolar papers and storage-stable comprises a polymer whose parent monomer composition comprises: a) 10 to 30 wt % of at least one compound of the formula (I) CH2?CH—C(O)NR1R2??(I), wherein R1 is an unsubstituted alkyl group, a hydroxyalkyl group or an acetonyl radical and R2 is a hydrogen atom, an unsubstituted alkyl group, a hydroxyalkyl group, an acetonyl radical or an aminoalkyl group; b) 60 to 80 wt % of at least one compound of the formula (II) CH2?CH—C(O)O—(CH2)2—O—R3??(II), wherein R3 is an unsubstituted alkyl group, an alkoxyalkyl group or a (polyalkoxy)alkyl group; and c) 0.5 to 10 wt % of at least one monomer selected from the group consisting of acrylic acid, methacrylic acid and (C2-C4 hydroxyalkyl) acrylates. Also disclosed is an adhesive tape comprising the pressure-sensitive adhesive, and use of the pressure-sensitive adhesive and/or the adhesive tape for producing water-soluble bonds.Type: GrantFiled: December 18, 2020Date of Patent: August 6, 2024Assignee: tesa SEInventors: Benjamin Pütz, Ralf Kretzmer
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Patent number: 12043775Abstract: In one embodiment, there is provided an adhesive film having (?) a layer of polyvinyl chloride resin film and (?) an adhesive layer in the stated order from the surface-layer side, where the (?) adhesive layer is formed from an adhesive including: (A) 100 parts by mass of an acrylic polymer that satisfies the features (a1) and (a2), specifically (a1) an acid value of 18-27 mg KOH/g, and (a2) a mass-average molecular weight of 500,000 to 1,000,000; and (B) 0.1-3 parts by mass of a compound having two or more isocyanate groups per molecule. In another embodiment, there is provided an adhesive film having (?) a layer of polyvinyl chloride resin film and (?) an adhesive layer in the stated order from the surface-layer side, where the (?) adhesive layer has a tackiness of 12-25 N at a surface temperature of 5° C. and has a tackiness of 12-23 N at a surface temperature of 35° C.Type: GrantFiled: August 28, 2017Date of Patent: July 23, 2024Assignee: RIKEN TECHNOS CORPORATIONInventors: Hitomi Inomata, Takio Wakugawa
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Patent number: 12036772Abstract: A composite structure is disclosed having a fiber-reinforce plastic and a wood layer. The wood layer includes an upper surface and a lower surface opposite the upper surface. At least a portion of the lower surface includes at least one engagement feature. A co-cure adhesive layer is applied to the lower surface of the wood layer. The co-cure adhesive layer bonds the fiber-reinforced plastic and the layer. The co-cure adhesive layer comprises at least one elastomer and at least one resin selected from a vinyl ester resin, a polyester resin, and an epoxy resin. The at least one engagement feature may comprise at least one of a groove, a dovetail groove, a curved groove, and a hole.Type: GrantFiled: September 14, 2020Date of Patent: July 16, 2024Assignee: Wabash National, L.P.Inventor: Travis Smith McCloud