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containing heterocyclic rings having at least one sulfur atom in the ring
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C08G18/3874
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Parent Industries
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CHEMISTRY METALLURGY
C08
Organic compounds
C08G
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
C08G18/00
Polymeric products of isocyanates or isothiocyanates
Current Industry
C08G18/3874
containing heterocyclic rings having at least one sulfur atom in the ring
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Patents Grants
last 30 patents
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Patent Grant
Polymerizable composition for optical member
Patent number
11,760,831
Issue date
Sep 19, 2023
HOYA LENS THAILAND LTD.
Yukio Kageyama
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for producing a resin lens from a polyisocyanate and release...
Patent number
11,548,971
Issue date
Jan 10, 2023
YIFENG NEW MATERIALS CO., LTD.
Chao Zhang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Composition for use as optical material
Patent number
11,186,673
Issue date
Nov 30, 2021
Mitsubishi Gas Chemical Company, Inc.
Kazuki Kariyazono
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing episulfide compound for optical material, epi...
Patent number
10,266,636
Issue date
Apr 23, 2019
Mitsui Chemicals, Inc.
Hidetaka Tsukada
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polythiol compound and method for producing same
Patent number
10,071,959
Issue date
Sep 11, 2018
Mitsubishi Gas Chemical Company, Inc.
Yoshihiko Nishimori
C07 - ORGANIC CHEMISTRY
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Patent Grant
Episulfide compound and optical material composition containing same
Patent number
10,065,940
Issue date
Sep 4, 2018
Mitsubishi Gas Chemical Company, Inc.
Yoshihiko Nishimori
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composition for optical material and method for producing same, and...
Patent number
9,914,799
Issue date
Mar 13, 2018
Mitsubishi Gas Chemical Company, Inc.
Kouhei Takemura
G02 - OPTICS
Information
Patent Grant
Urethane-based optical member and method for producing same
Patent number
9,499,656
Issue date
Nov 22, 2016
Hoya Corporation
Yasuhisa Okamoto
G02 - OPTICS
Information
Patent Grant
Composition for optical material, and method for producing same
Patent number
9,447,226
Issue date
Sep 20, 2016
Mitsubishi Gas Chemical Company, Inc.
Hiroyuki Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing thioepoxy-based optical material and polymeriz...
Patent number
9,372,281
Issue date
Jun 21, 2016
KOC Solution Co., Ltd.
Dong Gyu Jang
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for producing optical material
Patent number
9,322,957
Issue date
Apr 26, 2016
Mitsubishi Gas Chemical Company, Inc.
Kouhei Takemura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical material production process, optical material and optical lens
Patent number
9,182,520
Issue date
Nov 10, 2015
Mitsubishi Gas Chemical Company, Inc.
Hiroyuki Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Internal mold release agent for production of polythiourethane opti...
Patent number
8,022,163
Issue date
Sep 20, 2011
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metal-containing compound and use thereof
Patent number
7,951,968
Issue date
May 31, 2011
Mitsui Chemicals, Inc.
Hiroshi Naruse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metal-containing compound and use thereof
Patent number
7,772,348
Issue date
Aug 10, 2010
Mitsui Chemicals, Inc.
Hiroshi Naruse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isocyanurate compound and method for producing the same
Patent number
6,414,146
Issue date
Jul 2, 2002
Nissan Chemical Industries, Ltd.
Toshiaki Takeyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Composition for a resin
Patent number
6,130,307
Issue date
Oct 10, 2000
Mitsubishi Gas Chemical Co., Inc.
Akikazu Amagai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyurethane lens
Patent number
5,744,568
Issue date
Apr 28, 1998
Hoya Corporation
Masahisa Kosaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyurethane lens
Patent number
5,635,580
Issue date
Jun 3, 1997
Hoya Corporation
Masahisa Kosaka
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Azo dyestuff- and urethane-containing polyadduct and its use in non...
Patent number
5,616,678
Issue date
Apr 1, 1997
BASF Aktiengesellschaft
Stefan Beckmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cyclic sulfide compound, polymerizable compositions for optical pro...
Patent number
5,484,872
Issue date
Jan 16, 1996
Daiso Co., Ltd.
Hiroyuki Kanesaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cyclic sulfide compound, polymerizable compositions for optical pro...
Patent number
5,446,173
Issue date
Aug 29, 1995
Daiso Co., Ltd.
Hiroyuki Kanesaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymer for optical products and process for preparation thereof
Patent number
5,294,666
Issue date
Mar 15, 1994
Hoya Corporation
Reisuke Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinyl chloride and heterocyclic thione functional polyurethane poly...
Patent number
5,246,788
Issue date
Sep 21, 1993
Minnesota Mining and Manufacturing Company
James G. Carlson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Light-absorbing polyurethane compositions and thermoplastic polymer...
Patent number
5,194,463
Issue date
Mar 16, 1993
Eastman Kodak Company
James J. Krutak
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Resin having a large refractive index, lenses comprising the resin...
Patent number
5,084,545
Issue date
Jan 28, 1992
Mitsui Toatsu Chemicals, Inc.
Teruyuki Nagata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Heterocyclic thione functional polyurethane polymers and their use...
Patent number
5,081,213
Issue date
Jan 14, 1992
Minnesota Mining and Manufacturing Company
James G. Carlson
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers containing amide moieties and a process for their preparation
Patent number
4,996,281
Issue date
Feb 26, 1991
The Dow Chemical Company
Ying H. So
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Novel condensation polymers containing units from 8,9-bis(hydroxyal...
Patent number
4,663,416
Issue date
May 5, 1987
The Dow Chemical Company
Stoil K. Dirlikov
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alkyl-substituted thiapolycyclic polyahl and polyurethanes, polyami...
Patent number
4,581,435
Issue date
Apr 8, 1986
The Dow Chemical Company
David W. Hughes
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF
Publication number
20240402432
Publication date
Dec 5, 2024
LG CHEM, LTD.
Jaeyoung Kim
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
XANTHENE DERIVATIVE COMPOUND HAVING HIGH REFRACTIVE INDEX AND (CO)P...
Publication number
20240190836
Publication date
Jun 13, 2024
Research & Business Foundation Sungkyunkwan University
Younchul KIM
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPO...
Publication number
20230111506
Publication date
Apr 13, 2023
Mitsui Chemicals, Inc.
Kouji SUESUGI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DIFFRACTION LIGHT GUIDE PLATE AND MANUFACTURING METHOD THEREOF
Publication number
20210294041
Publication date
Sep 23, 2021
LG CHEM, LTD.
Jaeyoung Kim
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
RESIN LENS AND METHOD FOR PRODUCING THE SAME
Publication number
20210221940
Publication date
Jul 22, 2021
SHANDONG EFIRM BIOCHEMISTRY AND ENVIRONMENTAL PROTECTION CO., LTD.
Chao ZHANG
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NOVEL EPISULFIDE COMPOUND AND OPTICAL MATERIAL COMPOSITION CONTAINI...
Publication number
20170247351
Publication date
Aug 31, 2017
Mitsubishi Gas Chemical Company, Inc.
Yoshihiko NISHIMORI
G02 - OPTICS
Information
Patent Application
COMPOSITION FOR OPTICAL MATERIAL AND METHOD FOR PRODUCING SAME, AND...
Publication number
20170051095
Publication date
Feb 23, 2017
Mitsubishi Gas Chemical Company, Inc.
Kouhei TAKEMURA
G02 - OPTICS
Information
Patent Application
PROCESS FOR PRODUCING EPISULFIDE COMPOUND FOR OPTICAL MATERIAL, EPI...
Publication number
20170015777
Publication date
Jan 19, 2017
Mitsui Chemicals, Inc.
Hidetaka TSUKADA
G02 - OPTICS
Information
Patent Application
POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL AND OPTICAL MATERIAL
Publication number
20170015776
Publication date
Jan 19, 2017
Mitsui Chemicals, Inc.
Hidetaka TSUKADA
G02 - OPTICS
Information
Patent Application
COMPOSITION FOR OPTICAL MATERIAL, AND METHOD FOR PRODUCING SAME
Publication number
20150166720
Publication date
Jun 18, 2015
Mitsubishi Gas Chemical Company, Inc.
Hiroyuki Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
URETHANE-BASED OPTICAL MEMBER AND METHOD FOR PRODUCING SAME
Publication number
20150166718
Publication date
Jun 18, 2015
Hoya Corporation
Yasuhisa Okamoto
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD FOR PREPARING THIOEPOXY-BASED OPTICAL MATERIAL AND POLYMERIZ...
Publication number
20140336332
Publication date
Nov 13, 2014
Dong Gyu Jang
G02 - OPTICS
Information
Patent Application
RECHARGEABLE BATTERY, FUNCTIONAL POLYMER, AND METHOD FOR SYNTHESIS...
Publication number
20130302679
Publication date
Nov 14, 2013
POLYTHIONE CO. LTD
Hiroshi Uemachi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
OPTICAL MATERIAL PRODUCTION PROCESS, OPTICAL MATERIAL AND OPTICAL LENS
Publication number
20120123081
Publication date
May 17, 2012
MITSUBISHI GAS CHEMICAL COMPANY, INC
Hiroyuki Okada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METAL-CONTAINING COMPOUND AND USE THEREOF
Publication number
20100261866
Publication date
Oct 14, 2010
MITSUI CHEMICALS, INC.
Hiroshi Naruse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTI...
Publication number
20100234498
Publication date
Sep 16, 2010
Mitsui Chemicals, Inc.
Masanori Iwazumi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Metal-Containing Compound and Use Thereof
Publication number
20080027198
Publication date
Jan 31, 2008
Mitsui Chemicals, Inc.
Hiroshi Naruse
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20040138401
Publication date
Jul 15, 2004
Nina Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
High impact poly (urethane urea) polysulfides
Publication number
20030149217
Publication date
Aug 7, 2003
Nina V. Bojkova
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Isocyanurate compound and method for producing the same
Publication number
20020161223
Publication date
Oct 31, 2002
Nissan Chemical Industries, Ltd.
Toshiaki Takeyama
C07 - ORGANIC CHEMISTRY