US Patent 7351362 Photochromic material
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Patent Inventor Names
Fumihiro Kimura0
Jun Sugai0
Michiyuki Yasuda0
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Patent abstract
A photochromic material comprising a styrene-based oligomer having a weight average molecular weight of from 200 to 6000 and a photochromic compound selected from the group consisting of spirooxazine derivatives and spiropyran derivatives.
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US Patent 07351362 Photochromic material US Patent 7351362 Photochromic material
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Patent Number
073513620
Patent Number
73513620
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Official Website
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Patent Jurisdiction
Patent Number
073513620
Date of Patent
April 1, 2008
0Patent Application Number
108921560
Date Filed
July 16, 2004
0Official Website
Patent Primary Examiner
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US Patent 07351362 Photochromic material
Infobox
Is a
Patent jurisdiction
Patent number
07351362
Date of patent
April 1, 2008
Patent application number
10892156
Date Filed
July 16, 2004
Patent primary examiner
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