Title:
【発明の名称】混合物からγ―ブチロラクトンを分離する方法
Document Type and Number:
Japanese Patent JP2871841
Kind Code:
B2
Abstract:
A method of separating gamma -butyrolactone from a mixture containing ethanol, tetrahydrofuran, water, n-butanol, 1,4-butanediol, diethyl succinate and gamma -butyrolactone, by distillation in vacuum columns.
Inventors:
RORUFU FUITSUSHAA
PEETAA SHUTOTSUPUSU
ERUIN BURUNNAA
RUDORUFU UAIGANTO
PEETAA SHUTOTSUPUSU
ERUIN BURUNNAA
RUDORUFU UAIGANTO
Application Number:
JP30735790A
Publication Date:
March 17, 1999
Filing Date:
November 15, 1990
Export Citation:
Assignee:
BEE AA ESU EFU AG
International Classes:
C07D307/33; C07D315/00; (IPC1-7): C07D307/33
Domestic Patent References:
| JP6442478A | ||||
| JP6393772A |
Attorney, Agent or Firm:
Toshio Yano (2 outside)