Patents by Inventor Katsuhiro Mori
Katsuhiro Mori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240100810Abstract: The present invention aims to provide a resin composition having excellent photochromic properties and mechanical properties. The present invention relates to a resin composition containing (i) a urethane-based resin having a propylene glycol chain in a molecular chain thereof and (ii) a photochromic compound, wherein the intensity ratio of PMIpst to PMIcp (PMIpst/PMIcp) is 8.0 or more and 40.0 or less when PMIpst indicates the total spectral intensity of 16 ppm or more and 20 ppm or less including the spectral intensity of a carbon atom of a methyl group in the propylene glycol chain as measured by 13C-PST/MAS NMR and PMIcp indicates the total spectral intensity of 16 ppm or more and 20 ppm or less including the spectral intensity of the carbon atom of the methyl group in the propylene glycol chain as measured by 13C-CP/MAS NMR.Type: ApplicationFiled: January 12, 2022Publication date: March 28, 2024Applicant: TOKUYAMA CORPORATIONInventors: Takao NOGUCHI, Katsuhiro MORI, Junji MOMODA
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Publication number: 20230286912Abstract: The present invention provides a novel compound for optical materials, and a curable composition, a cured body and an optical article containing the compound for optical materials. According to an embodiment, there is provided a compound for optical materials represented by Formula (Ia) below: In Formula (Ia), X1 and X2 are each NH, S, or O. R1 is a 1- to 30-valent organic residue. R3 is a group composed of a polymer having a repeating unit selected from the group consisting of —(CH2)mO—, —(CH2CH2O)—, —(CH(CH3)CH2O)—, —(CH2CH(CH3)O)—, — (C(?O)—CH2CH2CH2CH2CH2O)—, —(C(?O)—O—CH2CH2CH2CH2CH2O)—, and —(C(?O)—O—CH2CH2CH2CH2CH2CH2O)—, a random copolymer having at least two repeating units selected from the group, or a block copolymer having at least two repeating units selected from the group.Type: ApplicationFiled: May 25, 2021Publication date: September 14, 2023Applicant: TOKUYAMA CORPORATIONInventors: Takao NOGUCHI, Katsuhiro MORI, Junji MOMODA
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Publication number: 20230280500Abstract: The present invention aims to provide a photochromic compound capable of exhibiting photochromic properties regardless of matrix, and the compound is stably dispersed without aggregation in a process of molding (curing) an optical base material. According to the present invention, a polymer photochromic compound, which has a block polymeric group of an oligomeric chain group having relatively favorable compatibility with a solid matrix and an oligomeric chain group having poor compatibility with a solid matrix, forms a nano- to micro-phase separation structure in a solid matrix. The compound does not rely on the solid matrix, its dispersibility is improved and aggregation is prevented or reduced, whereby excellent photochromic properties can be exhibited.Type: ApplicationFiled: August 4, 2021Publication date: September 7, 2023Applicant: TOKUYAMA CORPORATIONInventors: Masayuki MIYAZAKI, Katsuhiro MORI, Junji MOMODA
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Publication number: 20230272252Abstract: To provide an adhesive composition capable of firmly bonding polymer sheets together, comprising: (I) 100 parts by mass of an end-unreactive urethane urea resin; and (III) 4.0 to 20 parts by mass of a polyisocyanate compound having at least two isocyanate groups in the molecule, wherein the polyisocyanate compound (III) contains (IIIA) a polyisocyanate compound having an isocyanate group bonded to secondary carbon and (IIIB) a polyisocyanate compound having 4 to 30 carbon atoms in the molecule other than the component (IIIA), and the amount of the component (IIIB) is 10 to 500 parts by mass based on 100 parts by mass of the component (IIIA).Type: ApplicationFiled: April 18, 2023Publication date: August 31, 2023Applicant: TOKUYAMA CORPORATIONInventors: Katsuhiro MORI, Toshimitsu HIRAREN, Junji MOMODA
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Publication number: 20230242808Abstract: A photochromic compound of the present invention comprises at least two monovalent photochromic basic structure groups PC including a T-type photochromic moiety, the photochromic basic structure groups being bonded to an organic group having a non-SO aromatic ring containing neither a sulfur atom nor an oxygen atom.Type: ApplicationFiled: October 14, 2020Publication date: August 3, 2023Applicant: TOKUYAMA CORPORATIONInventors: Masayuki MIYAZAKI, Junji TAKENAKA, Srinivas VENU, Junji MOMODA, Katsuhiro MORI
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Publication number: 20230242809Abstract: A photochromic hydroxyurethane compound of the present invention is characterized in that, on condition of having at least one photochromic moiety as the photochromic minimal unit in a molecule, it has a hydroxyurethane constitutional unit represented by Formula (1): —X—O—CO—NH—??(1) In the formula, X is an oxygen-containing chain organic group having a hydroxyl group as a substituent, or a hydrogen atom in the hydroxyl group is substituted by any one of (A): a photochromic group having the photochromic moiety; (B): a polymerization reactive group having a polymerizable substituent; (C) an alkyl group having 1 to 10 carbon atoms; (D) a cycloalkyl group having 3 to 10 carbon atoms; or (E): an aryl group having 6 to 14 carbon atoms (each of the groups (C)-(E) can be bonded to an oxygen atom derived from the hydroxyl group via the oxygen-containing chain organic group).Type: ApplicationFiled: October 9, 2020Publication date: August 3, 2023Applicant: TOKUYAMA CORPORATIONInventors: Masayuki MIYAZAKI, Junji TAKENAKA, Junji MOMODA, Katsuhiro MORI
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Publication number: 20230133211Abstract: The photochromic cyclic compound of the present invention is represented by Formula (1) below: in the formula, L is a divalent bridging group and PC is a divalent T-type photochromic basic structural group having a naphthopyran structure, where one end of the bridging group L is bonded to at least the 3-position of the naphthopyran structure.Type: ApplicationFiled: February 18, 2021Publication date: May 4, 2023Applicant: TOKUYAMA CORPORATIONInventors: Masayuki MIYAZAKI, Junji TAKENAKA, Junji MOMODA, Srinivas VENU, Katsuhiro MORI
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Publication number: 20230109024Abstract: The present invention provides: a photochromic curable composition which contains (A) a (meth)acrylate composition that contains from 24 to 100% by mass of a polyfunctional (meth)acrylate which has three or more (meth)acryloyl groups in each molecule and (B) a photochromic compound that is obtained by bonding at least one specific naphthopyran to a long-chain group having a number average molecular weight of from 300 to 10,000; and a photochromic optical article which is obtained by polymerizing this photochromic curable composition.Type: ApplicationFiled: February 26, 2021Publication date: April 6, 2023Applicant: TOKUYAMA CORPORATIONInventors: Masayuki Miyazaki, Katsuhiro Mori, Junji Momoda
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Publication number: 20230104741Abstract: A primer composition for optical article, the composition includes (A) an urethane prepolymer that is a reactant between (A1) a polyisocyanate compound having two or more isocyanate groups per molecule and (A2) at least one polyol compound having two or more hydroxyl groups per molecule and being selected from the group consisting of polycarbonate polyols, polyester polyols, and polycaprolactone polyols, and that has two or more isocyanate groups per molecule protected by a blocking agent; (B) an active hydrogen-containing compound having, per molecule, two or more active hydrogen functional groups having an active hydrogen; and (C) an organic solvent not having an active hydrogen.Type: ApplicationFiled: February 25, 2021Publication date: April 6, 2023Applicant: Tokuyama CorporationInventors: Taichi Hanasaki, Katsuhiro Mori, Junji Takenaka, Junji Momoda
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Publication number: 20230088268Abstract: Provided is a moisture curable polyurethane composition that is a moisture curable polyurethane having an isocyanate group on one end of a molecule thereof. The moisture curable polyurethane composition contains a moisture curable polyurethane (A) and an organic solvent (B). The moisture curable polyurethane (A) is obtainable by reacting a polyisocyanate compound having at least two isocyanate groups in a molecule thereof (A1) with a low-molecular weight polyol compound having at least two hydroxyl groups in a molecule thereof and having a number average molecular weight of 50-300 (A2). Also provided is a laminate including an optical substrate and a polyurethane resin layer comprising the moisture curable polyurethane composition.Type: ApplicationFiled: February 26, 2021Publication date: March 23, 2023Applicant: TOKUYAMA CORPORATIONInventors: Toshimitsu Hiraren, Taichi Hanasaki, Katsuhiro Mori, Junji Tanenaka, Junji Momoda
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Patent number: 11578174Abstract: The present invention provides an optical composition from which an optical article having reduced poor appearance such as cloudiness and optical strain during lens base material production can be obtained, and when a photochromic compound is added, a photochromic cured body having excellent photochromism and mechanical strength can also be formed, and a polyrotaxane used therefor. The polyrotaxane has a composite molecular structure formed of an axle molecule and a plurality of cyclic molecules clathrating the axle molecule, satisfying at least one of (X) and (Y). (X): A side chain having a secondary or tertiary hydroxyl group is introduced into at least part of the cyclic molecule of the polyrotaxane. (Y): A side chain having a group represented by -A (A is an organic group, and contains at least one hydroxyl group) is introduced into at least part of the cyclic molecule of the polyrotaxane, and a pKa of the hydroxyl group of the compound represented by H-A is 6 or more and less than 14.Type: GrantFiled: October 10, 2019Date of Patent: February 14, 2023Assignee: Tokuyama CorporationInventors: Yasutomo Shimizu, Katsuhiro Mori, Junji Momoda, Hiromasa Yamamoto
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Publication number: 20220162486Abstract: The present invention relates to a photochromic optical article including a pair of optical article plates bonded together through an adhesive layer containing a photochromic compound and at least one resin selected from a urethane resin, an epoxy resin, and an acrylic resin, wherein a deviation of the thickness of the adhesive layer on a concentric circle from the central point of the pair of optical article plates is within ±10%. In accordance with the present invention, in the photochromic optical article formed of a pair of optical article plates bonded together through an adhesive layer, a photochromic optical article in which the thickness of the photochromic adhesive layer is prescribed, and which is free from problems, such as a lowering of the appearance quality, can be provided.Type: ApplicationFiled: April 3, 2020Publication date: May 26, 2022Applicant: TOKUYAMA CORPORATIONInventors: Katsuhiro MORI, Takao NOGUCHI, Junji MOMODA
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Publication number: 20210155830Abstract: The present invention includes: a photochromic adhesive composition containing (A) a photochromic compound having, as a substituent, a molecular chain having a molecular weight of 300 or more, and (B) an adhesive urethane (urea) resin, and having a softening point of 140 to 220° C., and a photochromic laminate using the adhesive composition.Type: ApplicationFiled: April 4, 2019Publication date: May 27, 2021Applicant: TOKUYAMA CORPORATIONInventors: Toshimitsu HIRAREN, Katsuhiro MORI, Junji MOMODA
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Publication number: 20210108113Abstract: Provided is a photochromic optical article obtained by bonding a pair of optical article plates to each other with an adhesive layer that contains (A) a photochromic compound and (B) a urethane resin, wherein (B) the urethane resin is obtained by polymerizing: (B1) a polyiso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule; (B2) a poly(thi)ol compound having, in a molecule, two or more active hydrogen-containing groups selected from a hydroxyl group and a thiol group; and (B3) a mono(thi)ol compound having, in a molecule, one active hydrogen-containing group selected from a hydroxyl group and a thiol group. Also provided is a method for manufacturing the photochromic optical article.Type: ApplicationFiled: April 8, 2019Publication date: April 15, 2021Applicant: TOKUYAMA CORPORATIONInventors: Katsuhiro Mori, Junji Momoda
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Publication number: 20210040335Abstract: A coating composition comprising (A) inorganic oxide fine particles, (B) a hydrolyzable group-containing organic silicon compound, (C) water or an acid aqueous solution, (D) a curing catalyst and (E) an organic solvent, wherein the inorganic oxide fine particles (A) contain 100 parts by mass of (A1) first inorganic oxide fine particles containing not less than 50 mass % of a zirconium oxide component and 0.1 to 90 parts by mass of (A2) cerium oxide fine particles. This coating composition is used to form a hard coat film.Type: ApplicationFiled: January 30, 2019Publication date: February 11, 2021Applicant: TOKUYAMA CORPORATIONInventors: Manami OSHIO, Katsuhiro MORI, Yuuichirou KAWABATA
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Publication number: 20200386915Abstract: A functional lens comprising a functional laminate (A) having a functional layer (Ac) having photochromic properties and/or polarizability between a first optical sheet (Aa) and a second optical sheet (Ab) both made of a resin such as polyamide resin and a synthetic resin layer (B) made of a resin such as allyl resin or polythiourethane resin on the first optical sheet (Aa) and/or the second optical sheet (Ab) of the functional laminate (A) and having an adhesive strength between the first optical sheet (Aa) and/or the second optical sheet (Ab) and the synthetic resin layer (B) of not less than 50 N.Type: ApplicationFiled: February 19, 2019Publication date: December 10, 2020Applicant: TOKUYAMA CORPORATIONInventors: Katsuhiro MORI, Toshimitsu HIRAREN, Junji MOMODA
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Publication number: 20200283662Abstract: To provide an adhesive composition capable of firmly bonding polymer sheets together, comprising: (I) 100 parts by mass of an end-unreactive urethane urea resin; and (III) 4.0 to 20 parts by mass of a polyisocyanate compound having at least two isocyanate groups in the molecule, wherein the polyisocyanate compound (III) contains (IIIA) a polyisocyanate compound having an isocyanate group bonded to secondary carbon and (IIIB) a polyisocyanate compound having 4 to 30 carbon atoms in the molecule other than the component (IIIA), and the amount of the component (IIIB) is 10 to 500 parts by mass based on 100 parts by mass of the component (IIIA).Type: ApplicationFiled: June 7, 2017Publication date: September 10, 2020Applicant: TOKUYAMA CORPORATIONInventors: Katsuhiro MORI, Toshimitsu HIRAREN, Junji MOMODA
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Patent number: 10690943Abstract: To provide a laminate comprising a pair of polycarbonate optical sheet or film which are laminated together through a polarizing film layer and an adhesive layer of a photochromic composition comprising (I) a polyurethane urea resin and (II) a photochromic compound and having excellent photochromic properties, adhesion, heat resistance, perspiration resistance and excellent adhesion to a lens substrate.Type: GrantFiled: December 22, 2016Date of Patent: June 23, 2020Assignee: TOKUYAMA CORPORATIONInventors: Katsuhiro Mori, Toshimitsu Hiraren, Manami Oshio
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Publication number: 20200071467Abstract: The present invention provides an optical composition from which an optical article having reduced poor appearance such as cloudiness and optical strain during lens base material production can be obtained, and when a photochromic compound is added, a photochromic cured body having excellent photochromism and mechanical strength can also be formed, and a polyrotaxane used therefor. The polyrotaxane has a composite molecular structure formed of an axle molecule and a plurality of cyclic molecules clathrating the axle molecule, satisfying at least one of (X) and (Y). (X): A side chain having a secondary or tertiary hydroxyl group is introduced into at least part of the cyclic molecule of the polyrotaxane. (Y): A side chain having a group represented by -A (A is an organic group, and contains at least one hydroxyl group) is introduced into at least part of the cyclic molecule of the polyrotaxane, and a pKa of the hydroxyl group of the compound represented by H-A is 6 or more and less than 14.Type: ApplicationFiled: October 10, 2019Publication date: March 5, 2020Inventors: Yasutomo Shimizu, Katsuhiro Mori, Junji Momoda, Hiromasa Yamamoto
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Patent number: 10526533Abstract: A process for producing a photochromic cured body by curing a photochromic composition comprising (A) a polyiso(thio)cyanate compound having at least two isocyanate groups and/or isothiocyanate groups in one molecule, a poly(thi)ol compound having at least two hydroxyl groups and/or thiol groups in one molecule, (C) a mono(thi)ol compound having one hydroxy group or thiol group in one molecule, and a photochromic compound.Type: GrantFiled: March 8, 2016Date of Patent: January 7, 2020Assignee: TOKUYAMA CORPORATIONInventors: Yasutomo Shimizu, Katsuhiro Mori, Junji Momoda