Title:
精留-及び/又は吸収塔の(メタ)アクリル酸、そのエステル及び/又はそのニトリルを含有する気相における圧力の測定法
Document Type and Number:
Japanese Patent JP2005526964
Kind Code:
A
Abstract:
A process measures the pressure of a gas phase containing (meth)acrylic acid, the esters and/or nitrites thereof of a rectification and/or absorption column via open drillholes in the column wall and lines from the drillholes to the transducers by purging the lines with an oxygen-containing gas in the direction toward the open drillhole.
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Inventors:
Ulrich Hamon
Jürgen Schroeder
Steffen Lissel
Jürgen Schroeder
Steffen Lissel
Application Number:
JP2003574604A
Publication Date:
September 08, 2005
Filing Date:
March 12, 2003
Export Citation:
Assignee:
BASF Aktiengesellschaft
International Classes:
G01L7/00; C07C51/44; C07C51/48; C07C57/04; C07C67/54; C07C253/34; G01L19/00; C07C255/08; (IPC1-7): G01L7/00; G01L19/00
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
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