US Patent 11186673 Composition for use as optical material
Patent 11186673 was granted and assigned to Mitsubishi Gas Chemical Company on November, 2021 by the United States Patent and Trademark Office.
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Patent abstract
The purpose of the present invention is to appropriately control the rate of polymerization of a composition in which a thiol compound and an isocyanate compound are added to an episulfide compound and thereby provide an optical material which has high transparency. This composition for use as optical material comprises (a) an episulfide compound, (b) an isocyanate compound, (c) a thiol compound, and (d) a benzyl halide compound represented by formula (1):
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Patent Inventor Names
Kazuki Kariyazono0
Kikuo Furukawa0
Kouhei Takemura0
Takashi Aoki0
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
111866730
Date of Patent
November 30, 2021
0Patent Application Number
164928680
Date Filed
February 26, 2018
0Official Website
Patent Primary Examiner
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US Patent 11186673 Composition for use as optical material
Infobox
Is a
Patent applicant
Current assignee
Patent jurisdiction
Patent number
11186673
Date of patent
November 30, 2021
Patent application number
16492868
Date Filed
February 26, 2018
Patent primary examiner
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