Abstract: An orthodontic article is described comprising the reaction product of a free-radically polymerizable resin; a first free-radical photoinitiator having sufficient absorbance at a first wavelength range; and a second free-radical initiator selected from a second photoinitiator having sufficient absorbance at a second wavelength range, wherein the second wavelength range is different than the first wavelength range, or a thermal free-radical initiator. In some embodiments, the first free-radical photoinitiator exhibits a maximum absorbance at a wavelength of the range of 370-380 nm or 320-330 nm and/or comprises photoinitiator groups selected from acyl phosphine oxide or alkyl amine acetophenone. Also described are photopolymerizable compositions and methods.
Type:
Grant
Filed:
November 20, 2018
Date of Patent:
February 20, 2024
Assignee:
3M Innovative Properties Company
Inventors:
Saswata Chakraborty, Benjamin C. MacMurray, Eric W. Nelson, Thomas P. Klun, Richard J. Pokorny, Wayne S. Mahoney, Chad M. Amb, George W. Griesgraber, Dana R. Reed, Ahmed S. Abuelyaman, Robert S. Clough, James D. Hansen, Daniel J. Skamser, Ian Dailey, John M. Riedesel
Abstract: Provided is a low dielectric constant film and a preparation method thereof, where epoxy alkanes, organosilicon compounds and fluorine-containing siloxane compounds are used as raw materials of the low dielectric constant film, and the low dielectric constant film is formed on a substrate surface by a plasma-enhanced chemical deposition method. Accordingly, a nanofilm with a low dielectric constant and excellent hydrophobicity is formed on the substrate surface.
Abstract: A window module including a window, a first print layer, an ink layer, and a protective layer covering the ink layer. The protective layer includes a polymer resin polymerized from monomers including a first monomer which is an acrylic monomer substituted with a hydroxy group, a second monomer having an epoxy group, and at least one of a third monomer having a substituted or unsubstituted phenyl group or a fourth monomer which is an acrylic monomer having a substituted or unsubstituted bicyclic alkyl group, and thus, has excellent durability, chemical resistance, and abrasion resistance.
Type:
Grant
Filed:
August 11, 2022
Date of Patent:
February 13, 2024
Assignee:
SAMSUNG DISPLAY CO., LTD.
Inventors:
Ji Won Choi, Sangeun Moon, Dongho Kim, Sookkyung Yoo
Abstract: An organic electroluminescence device having high light emission efficiency is provided, which includes a first electrode, a second electrode facing the first electrode, and an emission layer disposed between the first electrode and the second electrode.
Abstract: A novel process for making PBI films starting from gel PBI membranes polymerized and casted in the PPA process wherein acid-imbibed gel PBIs are neutralized in a series of water baths and undergo controlled drying in association with a substrate material, yielding a PBI film without the use of organic solvents.
Type:
Grant
Filed:
November 9, 2021
Date of Patent:
January 30, 2024
Assignee:
UNIVERSITY OF SOUTH CAROLINA
Inventors:
Laura A. Murdock, Lihui Wang, Fei Huang, Brian C. Benicewicz
Abstract: Compositions comprising a tetraaryl ammonium salt, a tetraaryl ammonium salt covalently bound to a polymer and methods for manufacturing the same are disclosed. The disclosed compositions are useful e.g., for an anion exchange membrane, or an anion conducting polymer, and may further be used in electrochemical devices such as alkaline fuel cells, and alkaline redox-flow batteries.
Type:
Grant
Filed:
August 29, 2019
Date of Patent:
January 30, 2024
Assignee:
Technion Research & Development Foundation Limited
Inventors:
Charles Eliezer Diesendruck, Dario Dekel
Abstract: Provided is a fluororesin coating composition for forming a topcoat having improved non-tackiness and water and oil repellency. The fluororesin is crystalline tetrafluoroethylene and perfluoro(ethyl vinyl ether) copolymer having a perfluoro(ethyl vinyl ether) content of 8 to 20 mass % based on the total mass of the copolymer.
Type:
Grant
Filed:
November 12, 2021
Date of Patent:
January 23, 2024
Assignees:
THE CHEMOURS COMPANY FC, LLC, CHEMOURS-MITSUI FLUOROPRODUCTS CO., LTD
Abstract: The invention encompasses hydrogels, monomer precursors of the hydrogels, methods for the preparation thereof, and methods of use therefor. The linking of monomers can take place using non-radical, bioorthogonal reactions such as copper-free click-chemistry.
Type:
Grant
Filed:
February 5, 2019
Date of Patent:
January 16, 2024
Assignee:
Massachusetts Institute of Technology
Inventors:
Ruixuan Gao, Linyi Gao, Chih-Chieh Yu, Edward Stuart Boyden
Abstract: A polycarbonate resin composition may include a first polycarbonate resin and a second polycarbonate resin, which a molded article may include, and a multilayer body may have a resin layer A including the polycarbonate resin composition and a resin layer B including a resin different from the resin layer A. The first polycarbonate resin may include 40% by weight or more of a structural unit of formula (1) The second polycarbonate resin may include less than 40% by weight of the structural unit of formula (1). The weight ratio of the first polycarbonate resin to the second polycarbonate resin, the first polycarbonate resin/the second polycarbonate resin, may be in a range of from 55/45 to 99/1. The polycarbonate resin composition may have two or more glass transition temperatures.
Abstract: The present disclosure provides a composition. The composition can be formed into a foam composition. In an embodiment, the composition includes a neat ethylene/propylene/nonconjugated polyene interpolymer. The neat ethylene/propylene/nonconjugated polyene interpolymer includes from greater than 6.0 wt % to 15.0 wt % nonconjugated polyene. The neat ethylene/propylene/nonconjugated polyene interpolymer has the following properties: (i) a molecular weight (Mw) from 240,000 to 270,000; (ii) a Mooney viscosity (ML (1+4), 125° C.) from 85 to 95; (iii) a rheology ratio (RR) from 35 to 65; (iv) a Mw/Mn from 2.2 to 3.5; and (v) Mw<1389.6 [g/mole] MV+140,000 g/mol wherein Mw is the weight average molecular weight and MV is the Mooney Viscosity (ML 1+4, 125° C.). MV is the Mooney Viscosity (ML 1+4, 125° C.), and Mw is the weight average molecular weight, as determined by conventional GPC.
Type:
Grant
Filed:
April 30, 2019
Date of Patent:
January 9, 2024
Assignee:
Dow Global Technologies LLC
Inventors:
Xiaosong Wu, Colin Li Pi Shan, Juan C. Tuberquia, Tao Han, Guangming Li
Abstract: The present invention relates to: a dicyclopentadiene-based resin having excellent compatibility with a base resin and prepared by being copolymerized with a monomer composition comprising a dicyclopentadiene-based monomer and a vinylamide-based monomer; a dicyclopentadiene-based hydrogenated resin; and an adhesive resin composition comprising same. A dicyclopentadiene-based resin according to the present invention is advantageous in terms of having excellent compatibility with various base resins and being providable as an adhesive resin composition capable of achieving remarkably improved adhesive strength.
Type:
Grant
Filed:
October 31, 2019
Date of Patent:
January 9, 2024
Assignee:
HANWHA SOLUTIONS CORPORATION
Inventors:
Hyeonuk Kang, Do Hyun Byun, Kyongjun Yoon
Abstract: Provided are organometallic compounds comprising a first ligand LA of Formula I wherein RA, RB, RC, RD, K3, ring A and ring B are each defined herein.
Abstract: The present disclosure relates to an organic compound having the following structure of Chemical Formula 1, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound is a bipolar organic compound having a p-type moiety and an n-type moiety. The organic compound has a high excited triplet energy level, a wide energy bandgap and excellent thermal stability. When the organic compound is introduced into an emitting material layer (EML) of the OLED, holes and electrons are recombined in the whole area of the EML, thus the OLED can improve its luminous efficiency and luminous lifetime.
Type:
Grant
Filed:
November 25, 2020
Date of Patent:
December 26, 2023
Assignees:
LG DISPLAY CO., LTD., LG CHEM, LTD.
Inventors:
Hyong-Jong Choi, Bo-Min Seo, Ik-Rang Choe, Hye-Gun Ryu, Jin-Joo Kim
Abstract: A method for manufacturing a multi-layer stack includes bonding a transparent plate to an outer surface of at least one of a first glass panel or a second glass panel of a glass panel unit with an intermediate film interposed therebetween. The glass panel unit includes: the first glass panel; the second glass panel; and an evacuated space provided between the first glass panel and the second glass panel. A plurality of spacers are provided in the evacuated space between the first glass panel and the second glass panel. A pressure applied for bonding the glass panel unit and the transparent plate together is less than a compressive strength of the plurality of spacers.
Abstract: Apparatuses and processes that produce multimodal polyolefins, and in particular, polyethylene resins, are disclosed herein. This is accomplished by using two reactors in series, where one of the reactors is a multi-zone circulating reactor that can circulate polyolefin particles through two polymerization zones optionally having two different flow regimes so that the final multimodal polyolefin has improved product properties and improved product homogeneity.
Type:
Grant
Filed:
January 9, 2023
Date of Patent:
December 19, 2023
Assignee:
Chevron Phillips Chemical Company LP
Inventors:
Joseph A. Curren, Rebecca A. Gonzales, Scott E. Kufeld, Joel A. Mutchler, Eric J. Netemeyer, Jamie N. Sutherland, Paul J. Deslauriers, Jeffrey S. Fodor
Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes an organometallic compound represented by Formula 1, and may show high emission efficiency properties.
Type:
Grant
Filed:
October 19, 2020
Date of Patent:
December 19, 2023
Assignee:
Samsung Display Co., Ltd.
Inventors:
Eunyoung Lee, Soo-Byung Ko, Sungbum Kim, Jaesung Lee, Hyunjung Lee
Abstract: A method for manufacturing an ion sensor, especially a pH measurement sensor, based on optical fibre, including the following steps: cleaving the optical fibre, with free hydroxyl groups appearing on the cleavage surface, grafting a layer of trifunctional silane directly on free hydroxyl groups having appeared accordingly on the cleavage surface of the optical fibre, without a prior external activation step, grafting a layer of difunctional silane on the cleavage surface of the optical fibre, and grafting a fluorescent dye.
Type:
Grant
Filed:
December 30, 2019
Date of Patent:
December 19, 2023
Assignees:
UNIVERSITE DE FRANCHE-COMTE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
Inventors:
Bernard Gauthier-Manuel, Rutjaphan Kateklum
Abstract: A laminated body includes a glass substrate, an adhesion layer, and a resin layer in this order. The adhesion layer includes a side-contact portion. The side-contact portion is located outside an outer edge of the resin layer in a part of an entire circumferential of the outer edge when observing the laminated body from a normal direction of a surface of the glass substrate, and is in contact with at least a part of a side surface of the resin layer.
Abstract: An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound are provided: M1(L11)n11(L12)n12??Formula 1 wherein, in Formula 1, L11 may be a ligand represented by Formula 1-1, and the other substituents may be understood by referring to the descriptions thereof provided in the detailed description:
Type:
Grant
Filed:
September 29, 2020
Date of Patent:
November 28, 2023
Assignees:
SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY OF ULSAN FOUNDATION FOR INDUSTRY COOPERATION
Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. Applying the organic compound into an emissive layer makes the OLED and the organic light emitting device lower their driving voltage, improves their luminous efficiency and color purity.