US Patent 7202378 Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
Patent 7202378 was granted and assigned to Bayer MaterialScience on April, 2007 by the United States Patent and Trademark Office.
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Patent abstract
The present invention relates to a process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate, in which 4-(2-nitrophenyl)-n-butyronitrile is converted to 4-(2-nitrophenyl)-n-butyric acid.
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US Patent 07202378 Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate US Patent 7202378 Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
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Patent Number
0720237800
Patent Number
720237800
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072023780
Date of Patent
April 10, 2007
0Patent Application Number
113999620
Date Filed
April 7, 2006
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072023780
Date of Patent
April 10, 2007
0Patent Application Number
113999620
Date Filed
April 7, 2006
0Official Website
Patent Primary Examiner
Edits on 8 Jun, 2022
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US Patent 07202378 Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanate
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07202378
Date of patent
April 10, 2007
Patent application number
11399962
Date Filed
April 7, 2006
Patent primary examiner
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