Patents Examined by James C Yager
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Patent number: 11674022Abstract: The present invention relates to a multimodal polyethylene composition comprising: (A) 40 to 65 parts by weight, preferably 43 to 52 parts by weight, most preferred 44 to 50 parts by? weight, of the low molecular weight polyethylene having a weight average molecular weight (Mw) of 20,000 to 90,000 g/mol, wherein the low molecular weight polyethylene has a MI2 of 500 to 1,000 g/10 min according to ASTM D 1238; (B) 5 to 17 parts by weight, preferably 10 to 17 parts by weight, most preferred 10 to 15 parts by weight, of the first high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,000 to 1,000,000 g/mol or the first ultra high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 1,000,000 to 5,000,000 g/mol; and (C) 30 to 50 parts by weight, preferably 37 to 47 party by weight, most preferably 39 to 45 parts by weight, of the second high molecular weight polyethylene having a weight average molecular weight (Mw) of more than 150,00Type: GrantFiled: September 8, 2017Date of Patent: June 13, 2023Assignees: Thai Polyethylene Co., Ltd., SCG Chemicals Co., Ltd.Inventors: Arunsri Mattayan, Watcharee Cheevasrirungruang, Saranya Traisilanun, Warachad Klomkamol
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Patent number: 11667109Abstract: A recyclable article includes 50-90 wt % of at least one polyethylene having a density in the range 0.94 to 0.97 g/cm3. The article exhibits Young's modulus less than 700 MPa; and a haze value less than or equal to 50%. The recyclable article can be included in a film or a laminate. The article can be prepared using a blown film extrusion process.Type: GrantFiled: September 10, 2021Date of Patent: June 6, 2023Inventor: Hariharan Krishnan Nair
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Patent number: 11660844Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.Type: GrantFiled: September 26, 2018Date of Patent: May 30, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Fenghua Deng, Julian Neal Robinson, Moira Tayler
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Patent number: 11660843Abstract: A polymeric laminate film structure having a cellulose acetate film, and optionally blended with foil and a sealant layer.Type: GrantFiled: December 20, 2022Date of Patent: May 30, 2023Assignee: Multi-Plastics, Inc.Inventor: M. David Parsio
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Patent number: 11655087Abstract: The present invention addresses the problem of providing a barrier resin film exhibiting excellent barrier properties without adopting a multilayer structure such as the structures used by the prior art. A barrier resin film obtained by forming a vapor-deposited aluminum oxide film on the surface of a resin substrate, wherein an elementally bonded structural unit represented by Al3 is distributed in the vapor-deposited aluminum oxide film, and the intensity ratio (Al3/Al2O3×100) of the maximum Al3 concentration elementally bonded structure section according to Time-of-Flight secondary ion mass spectrometry (TOF-SIMS) is 1-20, inclusive.Type: GrantFiled: March 20, 2019Date of Patent: May 23, 2023Assignee: DAI NIPPON PRINTING CO., LTD.Inventors: Yoshihiro Kishimoto, Azusa Suzuki
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Patent number: 11628652Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.Type: GrantFiled: September 26, 2018Date of Patent: April 18, 2023Assignee: DuPont Teijin Films U.S. Limited PartnershipInventors: Shengsheng Liu, Fenghua Deng, Julian Neal Robinson, Moira Tayler
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Patent number: 11618977Abstract: Fibrous elements, such as filaments, and more particularly to fibrous elements employing a polymer and a wetting agent, methods for making such fibrous elements, fibrous structures employing such fibrous elements, methods for making such fibrous structures and packages containing such fibrous structures are provided.Type: GrantFiled: December 11, 2020Date of Patent: April 4, 2023Assignee: The Procter & Gamble CompanyInventors: Steven Lee Barnholtz, Michael Donald Suer, Paul Dennis Trokhan, Alan Howard Ullman
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Patent number: 11607865Abstract: Provided is a laminate including a base material layer, an adhesive layer having a thickness in a range of 0.1 ?m to 1.0 ?m, and a non-oriented sealant layer having a thickness in a range of 10 ?m to 40 ?m and made of a cyclic polyolefin resin, wherein one main surface of the sealant layer constitutes an outermost surface of the laminate, the other main surface of the sealant layer is bonded to the base material layer via the adhesive layer, and an adhesion strength between the base material layer and the sealant layer is 0.8 N/15 mm or more.Type: GrantFiled: February 14, 2020Date of Patent: March 21, 2023Assignee: TOPPAN PRINTING CO., LTD.Inventors: Yuki Sugiyama, Satoru Ishida, Ryo Hirose
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Patent number: 11597191Abstract: A sachet product that includes a biodegradable and/or home compostable sachet comprising a front film and a back film. In some examples, the front film and back film can include a middle layer that can contain paper with greater than 85% cellulose and an inner layer that can include different material, including but not limited to polyvinyl alcohol or polyhydroxylalkonate. The sachet can include a compartment adapted for storing a solid article where the solid article is an open cell foam. The open cell foam can include a water-soluble polymer and a surfactant.Type: GrantFiled: October 14, 2020Date of Patent: March 7, 2023Assignee: The Procter & Gamble CompanyInventors: Stefano Bartolucci, Emily Charlotte Boswell, Su Anne Lee
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Patent number: 11590744Abstract: Oriented, multilayer shrink films, either clear or opaque, comprise a core layer and at least one skin layer. The core layer has a thickness greater than the thickness of the at least one skin layer. The at least one skin layer comprises at least one cyclic-olefin copolymer as the predominant component thereof. The core layer comprises a blend of a polyolefin polymer and a polybutene-1 copolymer with ethylene, the butene-1 constituting over 75% by weight of the polybutene-1 copolymer. The film has a shrinkage of at least 20% in at least one of the machine and transverse directions of formation when said film is heated to a temperature of between 80 and 100° C. Optionally the films can include a propylene-based elastomer, a styrenic based block copolymer elastomer, reclaim including the components of the film, or combinations thereof.Type: GrantFiled: June 1, 2017Date of Patent: February 28, 2023Assignee: TAGHLEEF INDUSTRIES INC.Inventors: Andrew F. Wilkie, Anthony J. DeNicola, Jr.
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Patent number: 11590745Abstract: The present invention provides coated films and packages formed from such films. In one aspect, a partially coated film comprises (a) a film having two outer surfaces, wherein a first outer surface is provided by a film layer that comprises from 70 to 100 percent by weight of a polyolefin having a density of 0.860 to 0.965 g/cm3; and (b) a coating on the first outer surface of the film comprising polyurethane, wherein the coating covers less than 25% of the surface area of the first outer surface of the film and wherein the coated portion of the film exhibits an Elmendorf tear in at least one of the machine direction or cross direction that is at least 20% less than the Elmendorf tear of the uncoated portion in the same direction, with the Elmendorf tear being measured in accordance with ASTM D1922.Type: GrantFiled: August 30, 2018Date of Patent: February 28, 2023Assignee: Dow Global Technologies LLCInventors: Bruno Cesar De Moraes Barbosa, João Gargalaka, Jr., Nicolas Cardoso Mazzola
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Patent number: 11535440Abstract: The invention is directed to a polymeric film web, a carrier film, and a magnetic member. The carrier film comprises an inner polyethylene terephthalate layer and an outer plastomer layer. The magnetic member and the carrier film are layered onto the polymeric film web to form a closure member. The outer plastomer layer is adjacent the magnetic member and the carrier film extends beyond an upper edge and/or a lower edge of the magnetic member. The closure is heat sealed such that the seal at the interface of the first carrier film and the second carrier film is a peelable seal, the seal at the interface of the first film web and the first carrier film is a permanent seal, and the seal at the interface of the second film web and the second carrier film is a permanent seal.Type: GrantFiled: January 22, 2020Date of Patent: December 27, 2022Assignee: SONOCO DEVELOPMENT, INC.Inventor: Scott William Huffer
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Patent number: 11535003Abstract: The present disclosure provides an electrically conductive sheet for use in three-dimensional molding including: a pseudo-sheet structure in which plural electrically conductive linear bodies extending unidirectionally are arranged spaced apart from each other; and a resin protective layer provided on a surface of the pseudo-sheet structure. In the above mentioned electrically conductive sheet, each of the electrically conductive linear bodies in the pseudo-sheet structure includes: a first portion formed in a wave pattern having a wavelength ?1 and an amplitude A1; and a second portion formed in a wave pattern having a wavelength ?2 and an amplitude A2, at least one of which is different from the wavelength ?1 or the amplitude A1 of the first portion.Type: GrantFiled: November 28, 2017Date of Patent: December 27, 2022Assignees: LINTEC OF AMERICA, INC., LINTEC CORPORATIONInventors: Masaharu Ito, Kanzan Inoue
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Patent number: 11518595Abstract: A laminated body having at least two or more different layers, wherein the laminate body is characterized by satisfying the following requirements (1) to (5): (1) the laminate body has a heat-sealing layer as at least one of the outermost layers, wherein the heat-sealing layer includes a polyester based component containing ethylene terephthalate as a main constituent component, and a sealing strength of 8 N/15 mm to 30 N/15 mm; (2) at least one layer other than the heat-sealing layer is an inorganic thin film layer; (3) a water vapor permeation rate of 0.1 g/m2·d to 6 g/m2·d; (4) an oxygen permeation rate of 5 ml/m2·d·MPa to 30 ml/m2·d·MPa; and (5) a heat shrinkage rate of ?5% to 5%.Type: GrantFiled: March 1, 2019Date of Patent: December 6, 2022Assignee: TOYOBO CO., LTD.Inventors: Shintaro Ishimaru, Masayuki Haruta
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Patent number: 11498308Abstract: A thermoplastic bag includes raised rib-like elements that allow the thermoplastic bag to expand. The thermoplastic bag further includes side seals having rib-like elements that allow the side seals to expand. Additionally, in one or more implementations, the thermoplastic bag includes one or more of a material formulation, a density of raised rib-like elements, a height of raised rib-like elements, or land areas that provide the raised rib-like elements with a reduced rebound ratio.Type: GrantFiled: July 13, 2020Date of Patent: November 15, 2022Assignee: The Glad Products CompanyInventors: Dean Ferracane, John Rusnak
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Patent number: 11485120Abstract: The present invention relates to a method for packaging fruits and vegetables by means of a film endowed with specific permeability and light transmittance properties.Type: GrantFiled: May 16, 2018Date of Patent: November 1, 2022Assignee: Cryovac, LLCInventors: Valeria Vigano', Serena Stracuzzi
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Patent number: 11485118Abstract: An object of the present invention is to achieve long-term anticorrosive effect for a wide range of articles such as iron castings, steel sheets, and galvanized steel sheets. As a means for achieving the object, the present invention provides a resin molded product structured in such a way that polyolefin resin layer 1 containing an ammonium salt of carboxylic acid, and polyolefin resin layer 2 containing a metal salt of aliphatic carboxylic acid, are stacked.Type: GrantFiled: May 27, 2020Date of Patent: November 1, 2022Assignee: AICELLO CORPORATIONInventors: Shiro Sawada, Tomohiro Niimi
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Patent number: 11446910Abstract: The present disclosure provides a multilayer film containing at least three layers, including (A) a core layer containing a high density polyethylene (HDPE) having a density from 0.940 g/cc to 0.980 g/cc; and (B) skin layers on opposite sides of the core layer. Each skin layer includes (i) a propylene/ethylene copolymer with from greater than 0 wt % to 5 wt % units derived from ethylene comonomer; (ii) from 3,000 to 3,500 ppm of a slip agent; and (iii) from 4,000 to 10,000 ppm of an antiblock agent.Type: GrantFiled: April 9, 2018Date of Patent: September 20, 2022Assignees: Dow Global Technologies LLC, PBBPolisur S.R.L.Inventors: Silvina Vanesa D'Agosto, Nicolas Cardoso Mazzola, Marcelo Delmar Cantu, Jorge Caminero Gomes
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Patent number: 11434340Abstract: A shaped polymeric material having a three-dimensional configuration with one or more angular displacements is provided. The polymeric material is formed from a thermoplastic composition containing a continuous phase that includes a matrix polymer. A microinclusion additive and nanoinclusion additive are dispersed within the continuous phase in the form of discrete domains, and a porous network is defined in the material.Type: GrantFiled: June 6, 2014Date of Patent: September 6, 2022Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Vasily A. Topolkaraev, Ryan J. McEneany, Neil T. Scholl
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Patent number: 11427390Abstract: A fruit and vegetable anti-fog packaging bag, which is produced with a polypropylene multilayer film, is manufactured by a high-speed bag making machine.Type: GrantFiled: November 8, 2019Date of Patent: August 30, 2022Assignee: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Ching-Yao Yuan, Wen-Jui Cheng, Teng-Ko Ma, Chih-Feng Wang