US Patent 7714171 Method for purifying cyclic ketones
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Patent abstract
The present invention relates to a process for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms, which comprises thermal treatment of the composition (I) with at least one acid and further purification by means of a process selected from the group consisting of distillation, extraction and crystallization, Furthermore, the present invention relates to a process for preparing cyclododecanone, which comprises such a purification, and the use of at least one acid for purifying a composition (I) comprising at least one cyclic ketone having from 7 to 16 carbon atoms by thermal treatment of the composition (I) with the acid.
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Patent Inventor Names
Alexander Hauk0
Christian Müller0
Gerd Tebben0
Harald Rust0
Rolf Pinkos0
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US Patent 07714171 Method for purifying cyclic ketones US Patent 7714171 Method for purifying cyclic ketones
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Patent Number
077141710
Patent Number
77141710
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Official Website
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Patent Jurisdiction
Patent Number
077141710
Date of Patent
May 11, 2010
0Patent Application Number
123068070
Date Filed
June 27, 2007
0Official Website
Patent Primary Examiner
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US Patent 07714171 Method for purifying cyclic ketones
Infobox
Is a
Patent jurisdiction
Patent number
07714171
Date of patent
May 11, 2010
Patent application number
12306807
Date Filed
June 27, 2007
Patent primary examiner
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