Abstract: An electrochromic element is provided including: a first substrate; a first electrode overlying the first substrate; a second substrate disposed at a distance from the first electrode; a second electrode overlying the second substrate; a first electrochemical reaction layer in contact with the first electrode; a second electrochemical reaction layer in contact with the second electrode; and an electrolyte layer between the first electrode and the second electrode. One of the first electrochemical reaction layer and the second electrochemical reaction layer is in a reversibly oxidizable state and the other is in a reversibly reducible state, at least one of the first electrochemical reaction layer and the second electrochemical reaction layer is an electrochromic layer, and E1??0.8 V (vs. FC/FC+) and E2??0.8 V (vs. FC/FC+) are satisfied, where E1 and E2 represent oxidation-reduction potentials of the first electrochemical reaction layer and the second electrochemical reaction layer, respectively.
Abstract: The invention relates to an improved method for the partial coloring, in particular for the color laser engraving, of plastic parts, in particular thermoplastic plastic parts, more particularly thermoplastic plastic parts that have a multi-layered structure, to the resulting partially colored, preferably color laser engraved, plastic parts, in particular thermoplastic plastic parts, and to a device for the partial coloring of plastic parts.
Type:
Grant
Filed:
August 22, 2019
Date of Patent:
April 26, 2022
Assignee:
COVESTRO INTELLECTUAL PROPERTY GMBH & CO. KG
Abstract: A pressure sensitive adhesive composition is described. The pressure sensitive adhesive composition includes a polymerization product of a monomer mixture. The monomer mixture includes the following components: (a) at least one alkyl ester of (meth)acrylic acid or cyclic hydrocarbon acrylates; (b) at least one vinyl ester of a C4-C20 carboxylic acid; (c) at least one hydroxyl functional (meth)acrylate monomer, or at least one epoxy functional (meth)acrylate monomer; (d) at least one ureido substituted ethylenically unsaturated monomer; and one or more optional monomer components (e)-(g). The pressure sensitive adhesive composition provides a desirable combination of low and high temperature performance, and good adhesion to both metal and organic polymer surfaces.
Abstract: The disclosure relates to oxygen scavenging polymers, compositions comprising the polymers, articles comprising the polymers and/or compositions, and methods of making the polymers, compositions, and/or articles. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.
Abstract: The present invention is in the field of flame retardants and relates to use of sulfenamides as flame retardants, in particular in polymeric substrates.
Abstract: The present invention provides a method of producing dye-containing thermosetting resin particles, the method including: dispersing seed particles formed from a thermosetting resin in a dispersion medium; and polymerizing a monomer for thermosetting resin synthesis in the thus obtained dispersion in the presence of a dye and an acid catalyst. By the method of producing dye-containing thermosetting resin particles according to the present invention, dye-containing thermosetting resin particles whose particle size variation coefficient is small at, for example, 8% or less, can be produced without performing a post-treatment such as centrifugation. Therefore, when immunological observation is performed by a fluorescent labeling method using fluorescent dye-containing resin particles produced by the method of producing dye-containing thermosetting resin particles according to the present invention, a high bright spot detection accuracy can be attained.
Abstract: To provide a curable composition which can easily form an optical film with good fluorescence efficiency and includes quantum dots (B), a film made of a cured product of the curable composition, an optical film for a light-emitting display element made of the film, a light-emitting display element panel including the optical film, and a light-emitting display equipped with the light-emitting display element panel. A film is formed by curing a curable composition which includes an epoxy compound (A) having two or more epoxy groups and including a cyclic structure other than an oxirane ring, quantum dots (B), and an acid generator (C).
Type:
Grant
Filed:
December 7, 2018
Date of Patent:
March 15, 2022
Assignee:
TOKYO OHKA KOGYO CO., LTD.
Inventors:
Hiroki Chisaka, Kunihiro Noda, Dai Shiota
Abstract: A novel class of compounds is described here. The disclosed novel compounds have one hydrophilic group and two identical hydrophilic ionic groups. The two hydrophilic groups of the disclosed compounds contain or end with a cationic or anionic charged group. The disclosed novel compounds herein can be used as surfactants in an article, product, or composition, or for some other purposes. A method to synthesize the disclosed novel compounds is also described.
Abstract: A composition comprising a heat transfer portion and a lubricating portion, wherein the lubricating portion comprises one or more compounds according to formula (I): wherein W is independently selected from the group consisting of H, F, Cl, Br and I; Y is independently selected from the group consisting of F, Cl, Br and I; Z is independently selected from the group consisting of H, OH, (CW2)PCW3, CY3, OCW3, O(CW2)pCW3, OCW((CY2)mCY3)CWCW2, polyalkylene glycol and polyolester; n is an integer from 2 to 250; m is an integer from 0 to 3; and p is an integer from 0 to 9.
Type:
Grant
Filed:
April 27, 2020
Date of Patent:
March 1, 2022
Assignee:
MEXICHEM FLUOR S.A. DE C.V.
Inventors:
Robert Elliot Low, Andrew Paul Sharratt, Emma Jane Hodgson
Abstract: Various non-limiting embodiments of the present disclosure relate to ophthalmic devices comprising photochromic materials comprising a reactive substituent. For example, the present disclosure contemplates ophthalmic devices comprising photochromic materials, such as photochromic naphthopyrans and indeno-fused naphthopyrans having a reactive substituent comprising a reactive moiety linked to the photochromic naphthopyran by one or more linking groups. In certain non-limiting embodiments, the reactive moiety comprises a polymerizable moiety. In other non-limiting embodiments, the reactive moiety comprises a nucleophilic moiety. Other non-limiting embodiments of the present disclosure relate to methods of making the photochromic ophthalmic device, wherein the photochromic ophthalmic devices comprise the photochromic naphthopyrans described herein.
Type:
Grant
Filed:
December 19, 2018
Date of Patent:
February 22, 2022
Assignee:
Johnson & Johnson Vision Care, Inc.
Inventors:
Wenjing Xiao, Barry Van Gemert, Shivkumar Mahadevan, Frank Molock
Abstract: A polymerizable composition for an optical material of the present invention includes (A) an allyl carbonate compound represented by General Formula (1) and including two or more allyloxycarbonyl groups; (B) a (meth)acrylate compound represented by General Formula (2) and including two or more (meth)acryl groups; and (C) a photochromic compound, in which, in 100% by weight in a total of the compound (A) and the compound (B), the compound (A) is included in an amount of more than 0% by weight and 30% by weight or less and the compound (B) is included in an amount of 70% by weight or more and less than 100% by weight.
Abstract: Disclosed is an inorganic-organic hybrid core-shell nanorod (200) and a light valve having the nanorod (200). The nanorod (200) comprises a nanorod inner core composed of a metal oxide and a nanorod shell composed of an inorganic-organic complex containing carbon and nitrogen atoms. The nanorod inner core is titanium dioxide TiO2. The core-shell nanorod employs the metal oxide as a core body and the inorganic-organic complex as a shell to account for the many advantages of inorganic-organic hybrid materials, nanomaterials, and the core-shell structure. The synergistic effect of multiple characteristics allows the material to have unique properties. The light valve made of the material has excellent performance, can adjust the light transmittance in a wider range, and has excellent application prospects.
Type:
Grant
Filed:
November 15, 2019
Date of Patent:
February 15, 2022
Assignee:
ZHEJIANG JINGYI NEW MATERIAL TECHNOLOGY CO. LTD
Abstract: A poly(amide-imide) copolymer composition comprising an imide of a polyamic acid and an ultraviolet stabilizer, and a colorless and transparent poly(amide-imide) film including the composition. The poly(amide-imide) copolymer composition according to the present disclosure makes it possible to provide a poly(amide-imide) film exhibiting excellent scratch resistance, UV shielding property, and UV weather resistance while being colorless and transparent. This film can be suitably used as a cover film of various flexible or foldable devices.
Type:
Grant
Filed:
April 10, 2018
Date of Patent:
February 15, 2022
Assignee:
LG CHEM, LTD.
Inventors:
Bi Oh Ryu, Soon Yong Park, Young Ji Tae, Young Seok Park, Kwan Yeol Paek, Il Hwan Choi
Abstract: A method is provided for producing an article which is transparent to IR wavelength in the region of 4 ?m to 9 ?m. The method includes the steps of (a) Producing ultra-fine powders of ZnS, (b) followed by pretreatment of the ultra-fine powders under reduced gas conditions including H2, H2S, N2, Ar and mixtures there of (c) followed by vacuum (3×10?6 torr) treatment to remove oxygen and sulfates adsorbed to the surface disposing a plurality of nano-particles on a substrate, wherein said nanoparticles comprise ZnS with ultra-high purity of cubic phase; (b) subjecting the nano-particles to spark plasma sintering thereby producing a sintered ZnS product with IR transmission reaching 75% in the wavelength range of 4 ?m to 9 ?m.
Type:
Grant
Filed:
December 27, 2016
Date of Patent:
February 8, 2022
Inventors:
Duraiswamy Ravichandran, V S Reddy Channu
Abstract: A composite particle is provided that comprises a base particle comprising at least a pigment or dye and cross-linked polyurea, a plurality of hydrophilic oligomeric groups, and a plurality of amine groups on the exterior portion of the base particle, and a steric stabilization polymer which is chemically bonded or physi-sorbed on the surface of the base particle. The cross-linked polyurea may form a network throughout the base particle. A method of making the composite particle includes providing either a solution containing a dye or a dispersion containing a pigment in a water-dispersible polyfunctional isocyanate dissolved in a water-miscible solvent, forming an emulsion of the solution/dispersion in water, agitating the emulsion while the polyfunctional isocyanate is converted into a cross-linked polyurea, and separating the composite particle containing the cross-linked polyurea and the dye/pigment from the emulsion.
Type:
Grant
Filed:
May 26, 2020
Date of Patent:
January 25, 2022
Assignee:
E Ink Corporation
Inventors:
Stephen J. Telfer, Craig A. Herb, Lee Yezek
Abstract: An electrochromic medium for use in an electro-optic device comprises a solvent comprising at least one low-volatile organic electrolyte solvent based on a cyclic carbonate ester; an anodic electroactive material; and a cathodic electroactive material; and at least one of the anodic and cathodic electroactive materials is electrochromic.
Type:
Grant
Filed:
December 13, 2018
Date of Patent:
January 25, 2022
Assignee:
GENTEX CORPORATION
Inventors:
Leroy J. Kloeppner, Zachary B. Erno, Steven D. Looman, Michael T. Stephenson, Michelle M. Carroll
Abstract: A thermoplastic resin composition includes: a polyester resin including a repeat unit represented by Formula 1 as described in the specification; glass fibers; a white pigment; an aromatic vinyl-olefin copolymer; and talc. The thermoplastic resin composition can have good properties in terms of reflectance, reflectance retention, impact resistance, and/or moldability.
Type:
Grant
Filed:
November 21, 2019
Date of Patent:
January 11, 2022
Assignee:
Lotte Advanced Materials Co., Ltd.
Inventors:
Yang Il Kim, Sang Hwa Lee, Hyun Su Kim, Sang Hyun Hong
Abstract: To provide an electrochromic element, which contains: a first electrode; a second electrode; and an electrolyte provided between the first electrode and the second electrode, wherein the first electrode contains a polymer product obtained through polymerization of an electrochromic composition where the electrochromic composition contains a radical polymerizable compound containing triarylamine.
Abstract: A composition including hydrogen peroxide is provided, which can be used for semiconductor device manufacturing and which exhibits an excellent storage stability and has a reduced effect of defects on a semiconductor substrate. Further, a method is provided for producing the composition including hydrogen peroxide, and a composition reservoir for storing the composition. The composition includes hydrogen peroxide, an acid, and an Fe component, in which the content of the Fe component is 10?5 to 102 in terms of mass ratio with respect to the content of the acid.
Abstract: Compositions containing diamond particles for producing reflective coatings and methods of wet and dry application of diamond particles to substrates to produce reflective coatings. The coatings have a desirable appearance, are robust and easy to apply.
Type:
Grant
Filed:
December 2, 2016
Date of Patent:
November 30, 2021
Assignee:
SUN KING DIAMONDS LTD
Inventors:
Jean-Raymond Boulle, Michael Angenent, Michael Theobald