Patents Examined by Bijan Ahvazi
  • Urethane-modified (meth)acrylamide compound and active energy ray curable resin composition containing same
    Patent number: 10759897
    Abstract: Provided is an active energy ray curable resin which has excellent compatibility with organic solvents, general purpose acrylic monomers, and oligomers, and a high curing property with an active energy ray, and also has a high adhesion property for each substrate. A cured film obtained by ultraviolet curing of the active energy ray curable resin has an excellent surface curing property, scratch resistance and bending resistance, while also having high transparency. Provided is a urethane modified (meth)acrylamide compound having a urethane bond and one or more (meth)acrylamide groups in the molecule. The urethane modified (meth)acrylamide compound has excellent compatibility with organic solvents, general purpose acrylic monomers, and oligomers, and exhibits a high curing property with an active energy ray.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: September 1, 2020
    Assignee: KJ CHEMICALS CORPORATION
    Inventors: Miki Takenouchi, Kouji Teramoto, Yusuke Adachi
  • Film-forming compositions containing zwitterionic functional polymers and their use in methods of reducing adhesion of an organic substance to a substrate
    Patent number: 10759884
    Abstract: Film-forming compositions are provided comprising: (a) a zwitterionic-functional polymer; and (b) an organometallic compound. Also provided are methods of reducing adhesion of an organic substance to a substrate and methods of treating a siliceous or metal (M) oxide-containing subterranean formation penetrated by a well using the film-forming compositions described above.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: September 1, 2020
    Assignee: ACULON INC.
    Inventors: Eric L. Hanson, Eric L. Bruner, Edward W. Hughes
  • Chromophores for photochromic compositions useful for three dimensional display applications
    Patent number: 10752780
    Abstract: Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: August 25, 2020
    Assignee: Nitto Denko Corporation
    Inventors: Tao Gu, Bogumila Rachwal, Ozair Siddiqui, Stanislaw Rachwal, Isamu Kitahara, Sergey Simavoryan, Peng Wang, Michiharu Yamamoto
  • Mask free methods of depositing compositions to form heterostructures
    Patent number: 10752794
    Abstract: The present disclosure provides methods of preparing heterostructures of two or more transition metal dichalcogenides on a surface in a pattern in which the method does not require a mask or blocking agent to create a pattern on the surface. Also provided herein are ink compositions which are used in the methods described herein and include precursor materials that generate these transition metal dichalcogenides.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: August 25, 2020
    Assignee: Saint Louis University
    Inventors: Irma Kuljanishvili, Rui Dong, Logan Moore
  • Composition for infrared-absorbing layers, infrared-cut filter, and imaging apparatus
    Patent number: 10745541
    Abstract: A composition for infrared-absorbing layers according to the present invention includes: a compound formed by copper ion and a phosphonic acid represented by the following formula (a); and at least one of a phosphoric acid diester represented by the following formula (b1) and a phosphoric acid monoester represented by the following formula (b2). In the composition, fine particles containing at least the compound are dispersed. A content of the phosphonic acid is less than 2.5 times a total content of the phosphoric acid diester and the phosphoric acid monoester on a molar basis. R1 is an alkyl group with 2 to 4 carbon atoms, R21, R22, and R3 are each a monovalent functional group represented by —(CH2CH2O)nR4 wherein n is an integer of 1 to 25 and R4 is an alkyl group with 6 to 25 carbon atoms.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: August 18, 2020
    Assignee: NIPPON SHEET GLASS COMPANY, LIMITED
    Inventors: Yuichiro Kubo, Katsuhide Shimmo
  • Polymer composition and polymer composite and optical film
    Patent number: 10738177
    Abstract: A polymer composition includes a polymer, a nanostructured filler, and a silane dispersing agent represented by Chemical Formula 1: R1—(Ar)p—(O-L1)q-(O-L2)r-(O-L3-O-L4)s-O-(L5)t-(L6)u-(CR2R3)w—Si(R4R5R6)??Chemical Formula 1 wherein, in Chemical Formula 1, R1 to R6, Ar, L1 to L6, p, q, r, s, t, and w are the same as described in the detailed description.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 11, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Sung Lee, Young Jae Kang, Won Joon Cho, Won Cheol Jung, Hyunseok Choi
  • High refractive index, high abbe number intraocular lens materials
    Patent number: 10712474
    Abstract: Disclosed are high refractive index, hydrophobic, acrylic materials. These materials have both high refractive index and a high Abbe number. This combination means the materials have a low refractive index dispersion and thus are especially suitable for use as intraocular lens materials. The materials are also suitable for use in other implantable ophthalmic devices, such as keratoprostheses, corneal rings, corneal implants, and corneal inlays.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: July 14, 2020
    Assignee: Alcon Inc.
    Inventor: Douglas Schlueter
  • Light emitting device
    Patent number: 10714664
    Abstract: A device includes a light emitting device including: a light emitting element adapted to emit a blue light, a sealing resin covering the light emitting element, and a sulfide phosphor-containing layer disposed separate from the sealing resin; and a diffusion plate disposed between the sealing resin and the sulfide phosphor-containing layer, the diffusion plate being spaced apart from the sealing resin.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: July 14, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Atsushi Yamamoto, Kenji Kawano
  • Composite particles and method for making the same
    Patent number: 10705405
    Abstract: A composite particle is provided that includes a base particle and a plurality of hydrophilic oligomeric groups extending from an exterior portion of the base particle, the base particle including a cross-linked polyurea and at least one of a pigment and a dye. 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: April 6, 2018
    Date of Patent: July 7, 2020
    Assignee: E Ink Corporation
    Inventors: Stephen J. Telfer, Craig A. Herb, Lee Yezek
  • Compound and color conversion film comprising same
    Patent number: 10703768
    Abstract: The present specification relates to a compound represented by Chemical Formula 1, and a color conversion film, a backlight unit and a display apparatus including the same.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: July 7, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Jiyeon Sung, Hoyong Lee, Cheol Jun Song
  • Reverse photochromic compound
    Patent number: 10696898
    Abstract: A reverse photochromic compound of the related art has difficulty in sensing light with a wavelength of 600 nm or greater in a visible light region which has been used for medical applications. Therefore, an object of the present invention is to provide a reverse photochromic compound and a polymer which have a high sensitivity to light having a wavelength of 600 nm or greater. The present invention relates to a compound and the like represented by the following general formula (1).
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: June 30, 2020
    Assignees: FUJIFILM Wako Pure Chemical Corporation, NIHON UNIVERSITY
    Inventors: Ryuzi Katoh, Masami Enoki, Kazuki Nemoto, Katsufumi Suzuki, Tetsuji Murase, Shigeaki Imazeki
  • Resin composition, and prepreg, metal-clad laminate, and printed circuit board using the same
    Patent number: 10689512
    Abstract: A resin composition is provided. The resin composition comprises the following: (a) a resin system, which comprises a thermosetting resin constituent and a vinyl-containing elastomer and has a dissipation factor (Df) of not higher than 0.008 at 10 GHz after curing; and (b) a phosphorous-containing flame retardant, which is a compound of formula (I), a compound of formula (II), or a combination thereof: wherein R1, R2, R21, R22, R23, R24, and n are as defined in the specification.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: June 23, 2020
    Assignee: TAIWAN UNION TECHNOLOGY CORPORATION
    Inventors: Shur-Fen Liu, Meng-Huei Chen
  • Eutectic colloidal crystal, eutectic colloidal crystal solidified body, and methods for producing them
    Patent number: 10675604
    Abstract: [Object] Provided are a “eutectic colloidal crystal” which is an aggregate of plural kinds of colloidal crystals having different lattice constants, a solidified body of the eutectic colloidal crystal, and methods for producing them. [Resolution means] The eutectic colloidal crystal of the present invention contains two or more kinds of colloidal crystals composed of substantially monodispersed colloidal particles having different particle sizes. This eutectic colloidal crystal is obtained by providing a colloidal dispersion of two or more kinds of colloidal particles having different particle sizes, and a polymer which will not substantially adsorb to the colloidal particles (the coefficient of variation in particle size of these colloidal particles is less than 20%) dissolved in a dispersion medium (dispersion preparation process), and allowing the colloidal dispersion to stand (eutectoid process).
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: June 9, 2020
    Assignee: PUBLIC UNIVERSITY CORPORATION NAGOYA CITY UNIVERSITY
    Inventors: Junpei Yamanaka, Akiko Toyotama, Tohru Okuzono, Satoshi Uda, Jun Nozawa
  • Light emitting device
    Patent number: 10651349
    Abstract: A light emitting device includes a light emitting element adapted to emit blue light, quantum dots that absorb part of the blue light emitted from the light emitting element to emit green light, and at least one of a KSF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light and a MGF phosphor adapted to absorb part of the blue light emitted from the light emitting element to emit red light.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: May 12, 2020
    Assignee: NICHIA CORPORATION
    Inventors: Kenji Kawano, Atsushi Yamamoto
  • Photochromic-electrochromic compositions
    Patent number: 10647913
    Abstract: A composition comprising a diarylethene photochromic anodic species, a cathodic species and an electrolyte that comprises a supporting electrolyte and a solvent. Electrochromic devices such as optical filters are prepared from such compositions.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: May 12, 2020
    Assignee: SWITCH MATERIALS INC.
    Inventors: Neil Robin Branda, Glen Ramsay Bremner, Jeremy Graham Finden, Matt Andrew Pilapil, Matthew Neal Roberts, Jonathan Ross Sargent, James Daniel Senior, Veronica Elizabeth Patricia Marshman, Natalie E. Campbell
  • Resin composition for optical material and optical film comprising the same
    Patent number: 10633530
    Abstract: The resin composition for an optical material according to the present invention has features that it can implement a low retardation value during the preparation of an optical film, by using a polycarbonate composition satisfying a specific condition as a retardation-adjusting agent while using polymethyl methacrylate not containing a monomer having a cyclic structure at the main chain of the polymer.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: April 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Joong Hoon Lee, Sei Jung Park, Sung Ho Hwang, Byoung Jun Mun, Heon-Sik Song
  • Resin composition
    Patent number: 10626250
    Abstract: The present invention relates to resin composite materials, and more particularly, to low-dielectric resin composition and prepreg, resin film, resin coated copper, laminate and printed circuit board formed therefrom. The low-dielectric resin composition includes a phosphorus-containing flame retardant as shown in formula (I) and a resin with an active unsaturated bond. The low-dielectric resin composition may further be manufactured as a prepreg, a resin film, a resin coated copper, a laminate, or a printed circuit board, having a high glass transition temperature, low dielectric property, halogen-free flame retardancy and low percent of thermal expansion of laminate.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: April 21, 2020
    Assignee: Elite Electronic Material(Zhongshan) Co., Ltd.
    Inventors: Zhi-Long Hu, Chen-Yu Hsieh
  • Compound, method for manufacturing the compound, and composition for forming organic film
    Patent number: 10604618
    Abstract: A compound includes two or more structures shown by the following general formula (1-1) in the molecule, “Ar” represents an aromatic ring or one that contains at least one nitrogen atom and/or sulfur atom optionally having a substituent, and two Ars are optionally bonded with each other to form a ring structure; the broken line represents a bond with Y; Y represents a divalent or trivalent organic group having 6 to 30 carbon atoms that contains an aromatic ring or a heteroaromatic ring optionally having a substituent, the bonds of which are located in a structure of the aromatic ring or the heteroaromatic ring; R represents a hydrogen atom or a monovalent group having 1 to 68 carbon atoms. This compound can be cured even in an inert gas not only in air atmosphere without forming byproducts, and can form an organic under layer film.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: March 31, 2020
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Seiichiro Tachibana, Takeru Watanabe, Keisuke Niida, Hiroko Nagai, Takashi Sawamura, Tsutomu Ogihara, Alexander Edward Hess, Gregory Breyta, Daniel Paul Sanders, Rudy J. Wojtecki
  • Optical filter and device using the same
    Patent number: 10605969
    Abstract: An optical filter is provided with a structure that contains a green coloring matter and a black coloring matter and satisfies the following requirements (i) and (ii). Further a device is provided with such an optical filter. (i) An average transmittance of light in the wavelength range of 400 to 730 nm is 2% or less. (ii) A continuous 50 nm wavelength range where an average transmittance is 80% or more exists in the wavelength range of 800 to 1000 nm.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: March 31, 2020
    Assignee: AGC Inc.
    Inventors: So Ishido, Atsushi Koyanagi
  • Composition for black matrix and method for preparing the same, display substrate and display device
    Patent number: 10606137
    Abstract: Disclosed are a composition for a black matrix and a method for preparing the same, a display substrate, and a display device. The composition for a black matrix comprises an adhesive, a light-shielding material, a solvent, a first dye and a monomer, wherein the light-shielding material comprises light-shielding particles, and an electrically insulating material and a base material with which the light-shielding particles are coated sequentially; and the adhesive, the first dye and the light-shielding material are bonded by the monomer.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: March 31, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Pengyu Qi, Dong Wang, Yangchen Guo