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Process for producing carbamazepine
   
Document Number
US Patent 7015322
Issued Date
March 21, 2006
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Abstract
The invention concerns a process for producing 5H-dibenz[b,f]azepine-5-carboxamide (carbamazepine) by reacting iminostilbene with an alkali cyanate in acetic acid or a mixture of acetic acid with water or with alcohol.
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Number of Claims:
18
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Owner
Degussa AG (Hanau-Wolfgang,DE)
Published
March 21, 2006
Application Number
09/447,490
Filed
November 23, 1999
US Classification
540/589  
Int'l Classification
C07D   223/26   (20060101)  
Attorney/Law Firm
Parent Case
This is a continuation of application Ser. No. 08/275,025, filed on Jul. 14, 1994, now abandoned.
USPTO Field of Search
540/589  
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