US Patent 7332624 Method for production of acrylic acid
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Patent Inventor Names
Harunori Hirao0
Kenji Sanada0
Takeshi Nishimura0
Yukihiro Matsumoto0
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Patent abstract
A method for the production of acrylic acid comprises (i) a step for introducing a polymerization inhibitor to a stage other than a stage for supplying a raw material and a stage for supplying a reflux of said distilling column or (ii) a step for supplying the acrylic acid recovered by thermally decomposing said oligomer to said stage for dehydration. Thus, the present invention enjoys effective utilization of acrylic acid and exalts the efficiency of production.
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US Patent 07332624 Method for production of acrylic acid US Patent 7332624 Method for production of acrylic acid
Infobox
Patent Number
073326240
Patent Number
73326240
Edits on 23 Sep, 2022
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Patent Jurisdiction
Patent Number
073326240
Date of Patent
February 19, 2008
0Patent Application Number
106077670
Date Filed
June 27, 2003
0Official Website
Patent Primary Examiner
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US Patent 07332624 Method for production of acrylic acid
Infobox
Is a
Patent jurisdiction
Patent number
07332624
Date of patent
February 19, 2008
Patent application number
10607767
Date Filed
June 27, 2003
Patent primary examiner
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