Patents Examined by Hai Vo
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Patent number: 11661710Abstract: A flexible pavement structure comprises a surface layer, a base layer, a sub-base layer, and a subgrade layer. Herein, the surface layer is adjacent to and above the base layer, and the sub-base layer is adjacent to and above the subgrade layer. The flexible pavement structure further comprises a layered system composed of first, second, and third materials different from each other, and is disposed as an interface layer between the base layer and the sub-base layer. The first material is a geotextile fabric selected from a group consisting of polypropylene and polyethylene, providing ground stabilization or reinforcement properties. The second material is a waterproof heat insulation material selected from a group consisting of cross-linked polyethylene foam and laminated aluminum foil, providing waterproofing or impermeability properties. The third material is a glass foamed insulation material.Type: GrantFiled: October 27, 2022Date of Patent: May 30, 2023Assignee: Prince Mohammad Bin Fahd UniversityInventor: Tahar Ayadat
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Patent number: 11659938Abstract: The present disclosure provides for a coated flexible open-cell polyurethane foam structure. The coated flexible open-cell polyurethane foam structure includes a flexible open-cell polyurethane foam having a first major surface and a second major surface opposite the first major surface. The coated flexible open-cell polyurethane foam structure further includes a flexible heat conductive material covering 30 to 90 percent (cov., expressed in %) of a surface area of the first major surface of the flexible open-cell polyurethane foam in a predefined shape to provide one or more gaps exposing the flexible open-cell polyurethane foam between defined edges of the flexible heat conductive material, where each gap of the one or more gaps has a gap width according to Formula I: gap width (mm)??0.196×cov. (%)+20.6 (Formula I) where a total surface area of the one or more gaps provides 70 to 10 percent of the surface area of the first major surface of the flexible open-cell polyurethane foam.Type: GrantFiled: August 21, 2019Date of Patent: May 30, 2023Assignee: Dow Global Technologies, LLCInventors: Kaoru Aou, Wenbo Xu, Yibei Gu, Douglas A. Brune, Laura J. Dietsche, Marc S. Black
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Patent number: 11655931Abstract: A heat insulating material (1) includes a heat insulating layer (10) which has a porous structural body, a reinforcing fiber, and nanoparticles of a metal oxide used as a binder, wherein the porous structural body has a skeleton formed by connecting a plurality of particles, has pores inside, and has a hydrophobic portion on at least one surface between a surface and an inside of the porous structural body. The heat insulating layer (10) has a mass loss rate of 10% or less in thermogravimetric analysis held at 500° C. for 30 minutes.Type: GrantFiled: July 9, 2021Date of Patent: May 23, 2023Assignee: Sumitomo Riko Company LimitedInventors: Shinji Kumagai, Naoki Katayama, Shota Hayashi, Yutaro Taguchi
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Patent number: 11654708Abstract: A printing paper having a base layer, an intermediate layer, and a surface layer, the intermediate layer being arranged adjacent to the base layer and on the base layer, and the surface layer being arranged adjacent to the intermediate layer and on the intermediate layer, the base layer, the intermediate layer, and the surface layer each being a thermoplastic resin film having pores, an average pore size of the surface layer being from 0.2 to 5 ?m, an average pore size of the intermediate layer being from 5 to 70 ?m and being greater than the average pore size of the surface layer, and an average pore size of the base layer being from 70 to 200 ?m and being greater than the average pore size of the intermediate layer.Type: GrantFiled: March 23, 2021Date of Patent: May 23, 2023Assignee: YUPO CORPORATIONInventors: Nobuhiro Iwatani, Tatsuya Suzuki, Hideyuki Imai
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Patent number: 11642752Abstract: Embodiments relate to a porous polyurethane polishing pad for use in a chemical mechanical planarization and a process for preparing the same. It is possible to control the size and distribution of pores in the porous polyurethane polishing pad by using thermally expanded microcapsules and an inert gas as a gas phase foaming agent, whereby the polishing performance thereof can be adjusted.Type: GrantFiled: September 10, 2018Date of Patent: May 9, 2023Assignee: SK ENPULSE CO., LTD.Inventors: Jang Won Seo, Hyuk Hee Han, Hye Young Heo, Joonsung Ryou, Young Pil Kwon
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Patent number: 11628650Abstract: A composite sandwich panel assembly including an open area core, a high gloss surface sheet, and a structural skin. The open are core defines a plurality of pores and has a first face and an opposing second face. The high gloss surface sheet is adhered to the first face of the open area core by a first adhesive layer. The high gloss surface sheet has a high gloss surface. The structural skin is adhered to the second face of the open area core by a second adhesive layer. A process for forming the composite sandwich panel assembly includes positioning the high gloss surface sheet, joining the first face of the open area core to the high gloss surface sheet with a first adhesive layer intermediate therebetween, and joining the structural skin to the second face of the open area core with a second adhesive layer intermediate therebetween.Type: GrantFiled: November 3, 2019Date of Patent: April 18, 2023Assignee: Teijin Automotive Technologies, Inc.Inventors: Patrick Durham, Yuhei Konagai, Yutaka Yagi, Matthew Plauman, Evan Freeman-Gibb, Hugh Foran
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Patent number: 11623277Abstract: The present invention relates to a foam material comprising:—a structural matrix (1),—at least one guest phase (2), and—a fluid, the material being characterised in that the structural matrix (1) comprises a plurality of interconnected pores (3), the one or more guest phases (2) are accommodated inside at least one pore (3) of the structural matrix (1) and the fluid is accommodated inside the pores (3). The present invention further relates to the process for preparing the foam material according to the present invention and to the various uses of the foam material according to the present invention.Type: GrantFiled: July 3, 2018Date of Patent: April 11, 2023Assignee: Universidad de AlicanteInventor: José Miguel Molina Jordá
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Patent number: 11618235Abstract: A composite board comprising (i) a first foam region; (ii) at least one fragile insulating material; and (iii) a second foam region, where said second foam region is substantially devoid of hydrocarbons.Type: GrantFiled: October 10, 2019Date of Patent: April 4, 2023Assignee: Holcim Technology LtdInventors: Michael J. Hubbard, Chunhua Yao, John B. Letts
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Patent number: 11613621Abstract: A flexible foam composition includes a flexible foam body having a surface, which flexible foam is polyurethane and/or latex flexible foam, and an expandable graphite layer on the surface or within the foam surface adjacent to the surface. The flexible foam composition with the expandable graphite layer imparts improved flame retardant properties to the composition.Type: GrantFiled: May 17, 2019Date of Patent: March 28, 2023Assignee: L&P Property Management CompanyInventors: Courtney Peterson, Heidi Stojanovic, Aubrey Scherrey, Mark Crawford
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Patent number: 11607903Abstract: A re-useable writing surface reusably and removably coupled to exterior surfaces is disclosed. The re-useable writing surface may include a porous layer. The porous layer may define one or more cells. The re-usable writing surface may further include a non-adhesive coating applied to a side of the porous layer. The re-usable writing surface may further include a writeable layer coupled to a different side of the porous layer. The writeable layer may be configured to allow a user to draft and erase content. The non-adhesive coating can enable the re-useable writing surface to reusably and removably couple to exterior surfaces.Type: GrantFiled: November 10, 2021Date of Patent: March 21, 2023Assignee: Comsero, Inc.Inventor: Anthony Franco
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Patent number: 11605473Abstract: A material for reducing exposure to ionizing radiation. One exemplary embodiment comprises a felt layer; a foil layer; a first adhesive film layer disposed between the outer felt layer and the foil layer; a radiation shield layer; a second adhesive film layer disposed between the foil layer and radiation shield layer; and a foam layer disposed on the surface of the radiation shield layer opposite the second adhesive film layer. The material may be installed in commercial aircraft, corporate aircraft, flight suits, helmets, military uniforms, rotary aircraft, spacecraft, and the like. For example, the material disclosed herein may be provided as a headliner in an aircraft, or alternatively may be used to line the entire interior of an aircraft. In one or more embodiments, the material may be secured to a surface using a hook and loop attachment mechanism.Type: GrantFiled: October 19, 2020Date of Patent: March 14, 2023Assignee: Iron Knight Aviation, LLCInventor: Flo Ciobotaru
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Patent number: 11598088Abstract: A fire-stopping material for use in sandwich panels is provided, wherein the fire-stopping material comprises a resilient, porous material at least partially impregnated with an intumescent agent. A panel for an internal wall and an internal wall are also provided, comprising the fire-stopping material disposed between two substantially parallel boards, such as plaster boards. A method of providing a service penetration through an internal wall is also provided.Type: GrantFiled: May 9, 2017Date of Patent: March 7, 2023Assignees: tremco illbruck Limited, tremco illbruck GmbHInventors: Ian Outram, Simon Jones, Andrew Taylor, Walter Geyer, Markus Komma, Michael Pronold
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Patent number: 11578189Abstract: The present invention relates to an optical film exhibiting excellent optical properties such as low gloss value and reflectance, and an appropriate level of haze properties, and to an image display device including the same. The optical film comprises: a light-transmitting substrate film; an antiglare layer including a binder containing a (meth)acrylate-based crosslinked polymer, and organic fine particles of a micron (?m) scale dispersed on the binder and inorganic fine particles of a nanometer (nm) scale dispersed on the binder; and a low refractive index layer which is formed on the antiglare layer and includes a binder resin containing a (co)polymer of a photopolymerizable compound, and hollow silica particles dispersed in the binder resin, wherein the organic and inorganic fine particles exhibit a predetermined particle size distribution, refractive index difference, and content range.Type: GrantFiled: December 12, 2017Date of Patent: February 14, 2023Assignee: LG CHEM, LTD.Inventors: Jung Hyun Seo, Yeong Rae Chang, Jin Young Park, Han Na Lee
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Patent number: 11577999Abstract: An ultra-stable structural laminate with fire resistance and a lateral nail pull strength from 44 to 300 pounds of force and an insulation R value from 1 to 40, the ultra-stable structural laminate of a cementious material with a nano-molecular veneer and a foam component catalytically reacted into an expanded closed cell foam having a thickness from ?th inch to 8 inches, a density from 1.5 pounds/cubic foot to 3 pounds/cubic foot that self-adheres to the cementitious material forming an ultra-stable structural laminate with fire resistance and a lateral nail pull strength from 44 pounds to 300 pounds of force, an insulation R value from 1 to 40, a resistance to seismic impact for earthquakes over 3.1 on the Richter Scale, a break point from 7 lbs/inch to 100 lbs/inch; and a resistance to wind shear equivalent to a 15 mph downburst.Type: GrantFiled: January 21, 2021Date of Patent: February 14, 2023Assignee: MITEK HOLDINGS, INC.Inventors: James A. Wambaugh, Brett Rochner, Cole J. Weinberger
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Patent number: 11548811Abstract: Disclosed herein are graphene coatings characterized by a porous, three-dimensional, spherical structure having a hollow core, along with methods for forming such graphene coatings on glasses, glass-ceramics, ceramics, and crystalline materials. Such coatings can be further coated with organic or inorganic layers and are useful in chemical and electronic applications.Type: GrantFiled: June 28, 2021Date of Patent: January 10, 2023Assignees: Corning Incorporated, ICFO—THE INSTITUTE OF PHOTONIC SCIENCES, INSTITUCIÓ CATALANA DE RECERCA I ESTUDIS AVANÇATS (ICREA)Inventors: Connie Li, Xinyuan Liu, Miriam Marchena Martín-Francés, Valerio Pruneri, Wageesha Senaratne, Zhen Song, Kamal Kishore Soni
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Patent number: 11548992Abstract: The present invention relates to an antireflection film. The antireflection film includes a low refractive index layer having excellent alkali resistance and exhibiting remarkably improved mechanical properties such as scratch resistance and impact resistance as well as reduction of a glare phenomenon, and a base film exhibiting excellent mechanical strength and water resistance in spite of a thin thickness and having no fear of interference fringes occurring. Therefore, such antireflection film can be used as a protective film of a polarizing plate or used as any other component so as to provide a thin display device, and furthermore, can effectively prevent the glare phenomenon of the display device, and can more improve the durability and lifespan thereof.Type: GrantFiled: March 18, 2021Date of Patent: January 10, 2023Assignee: LG CHEM, LTD.Inventors: Boo Kyung Kim, Yeong Rae Chang, Seok Hoon Jang, Jin Seok Byun
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Patent number: 11542667Abstract: A flexible pavement structure comprises a surface layer, a base layer, a sub-base layer, and a subgrade layer. Herein, the surface layer is adjacent to and above the base layer, and the sub-base layer is adjacent to and above the subgrade layer. The flexible pavement structure further comprises a layered system composed of first, second, and third materials different from each other, and is disposed as an interface layer between the base layer and the sub-base layer. The first material is a geotextile fabric selected from a group consisting of polypropylene and polyethylene, providing ground stabilization or reinforcement properties. The second material is a waterproof heat insulation material selected from a group consisting of cross-linked polyethylene foam and laminated aluminum foil, providing waterproofing or impermeability properties. The third material is a glass foamed insulation material.Type: GrantFiled: June 28, 2022Date of Patent: January 3, 2023Assignee: Prince Mohammad Bin Fahd UniversityInventor: Tahar Ayadat
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Patent number: 11541699Abstract: A tire noise reduction device includes a sound absorbing member made of a porous material; and a band member disposed between the sound absorbing member and the tire inner surface and provided for attaching the sound absorbing member to a tire inner surface, the band member including chamfered portions on both surface sides at both ends in a width direction of the band member.Type: GrantFiled: June 14, 2022Date of Patent: January 3, 2023Assignee: The Yokohama Rubber Co., LTD.Inventor: Masahiro Naruse
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Patent number: 11536877Abstract: The present invention is intended to provide a laminated optical film achieving both a high proportion of void space (porosity) and superior abrasion resistance. The laminated optical film of the present invention includes: a void-provided layer; a resin film; and a cover layer, wherein the void-provided layer is formed on the resin film, the cover layer is formed directly on the void-provided layer, and the void-provided layer has a contact angle with water of 90° or more and a proportion of void space of 30 vol % or more.Type: GrantFiled: July 29, 2016Date of Patent: December 27, 2022Assignee: NITTO DENKO CORPORATIONInventors: Daisuke Hattori, Kozo Nakamura, Kazuhito Hosokawa
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Patent number: 11535004Abstract: A soundproofing material including a porous body having a cell structure and including inorganic fibers other than asbestos, wherein an average cell diameter is more than 300 ?m and 1000 ?m or less, a bulk density is 0.007 to 0.024 g/cm3, and a flow resistivity is 170,000 to 2,000,000 Ns/m4.Type: GrantFiled: May 24, 2017Date of Patent: December 27, 2022Assignee: NICHIAS CORPORATIONInventors: Kazutaka Murayama, Keiji Tsukahara, Hikari Sasaki, Yuuma Tomitsuka, Tatsuro Miki, Daisuke Ando