Title:
【発明の名称】2‐(4‐イソブチルフエニル)‐プロピオン酸の精製法
Document Type and Number:
Japanese Patent JP2688515
Kind Code:
B2
Abstract:
2-(4-Isobutylphenyl)propionic acid is purified by subjecting it to a vacuum rectification in which the temperature is below the decomposition temperature of the acid.
Inventors:
Siegbert ritner
Adolf Schmidt
Rally O Wheeler
Gary El Mos
Edward G. Zay
Adolf Schmidt
Rally O Wheeler
Gary El Mos
Edward G. Zay
Application Number:
JP1652589A
Publication Date:
December 10, 1997
Filing Date:
January 27, 1989
Export Citation:
Assignee:
Hoechst Actien Gezershaft
Hoechst Celanese Corporation
Hoechst Celanese Corporation
International Classes:
C07C51/00; C07C51/12; C07C51/43; C07C51/44; C07C57/30; C07C67/00; (IPC1-7): C07C57/30; C07C51/12; C07C51/43; C07C51/44
Attorney, Agent or Firm:
Chika Takagi (2 outside)