The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2013
Filed:
Oct. 24, 2008
Tatsuya Tsujiuchi, Hiroshima, JP;
Shinya Tachibana, Hiroshima, JP;
Tsuyoshi Oishi, Hiroshima, JP;
Tomio Mimura, Hyogo, JP;
Yasuyuki Yagi, Hyogo, JP;
Hidehisa Mita, Kanagawa, JP;
Ryosuke Araki, Kanagawa, JP;
Kenji Saito, Kanagawa, JP;
Tatsuya Tsujiuchi, Hiroshima, JP;
Shinya Tachibana, Hiroshima, JP;
Tsuyoshi Oishi, Hiroshima, JP;
Tomio Mimura, Hyogo, JP;
Yasuyuki Yagi, Hyogo, JP;
Hidehisa Mita, Kanagawa, JP;
Ryosuke Araki, Kanagawa, JP;
Kenji Saito, Kanagawa, JP;
Mitsubishi Heavy Industries, Ltd., Tokyo, JP;
The Kansai Electric Power Co., Inc., Osaka-shi, Osaka, JP;
Nippon Nyukazai Co., Ltd., Tokyo, JP;
Abstract
A reaction column () to which a raw material mixture () containing a mono-lower-alkylamine (AA: raw material I) and an alkylene oxide (AO: raw material II) is supplied, an unreacted raw material distillation column () that separates an unreacted raw material () from a reaction product () (containing the unreacted raw material (), a target reaction product (monomer) (), and a by-product (dimer) ()), and a flash drum () to which a reaction product () (containing the target reaction product (monomer) () and the by-product (dimer) ()) is supplied, the flash drum () separating a mono-lower-alkyl monoalkanolamine (monomer, the target reaction product) in a gas state, are provided.