US Patent 7807836 Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides
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Patent abstract
A process for preparing perylene-3,4:9,10-tetracarboxylic dianhydride, comprising: dimerizing a naphthalene-1,8-dicarboximide of the formula IIa;
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US Patent 07807836 Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides US Patent 7807836 Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides
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Patent Number
0780783600
Patent Number
780783600
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Patent Jurisdiction
Patent Number
078078360
Date of Patent
October 5, 2010
0Patent Application Number
119556050
Date Filed
December 13, 2007
0Official Website
Patent Primary Examiner
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Patent Jurisdiction
Patent Number
078078360
Date of Patent
October 5, 2010
0Patent Application Number
119556050
Date Filed
December 13, 2007
0Official Website
Patent Primary Examiner
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US Patent 07807836 Preparation of perylen-3,4:9,10-tetracarboxylic dianhydride and also of naphtalene-1,8-dicarboximides
Infobox
Is a
Patent jurisdiction
Patent number
07807836
Date of patent
October 5, 2010
Patent application number
11955605
Date Filed
December 13, 2007
Patent primary examiner
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