Title:
ブタン―1,4―ジオールの精製方法
Document Type and Number:
Japanese Patent JP4099233
Kind Code:
B2
Abstract:
PCT No. PCT/GB97/00879 Sec. 371 Date May 3, 1999 Sec. 102(e) Date May 3, 1999 PCT Filed Mar. 27, 1997 PCT Pub. No. WO97/36846 PCT Pub. Date Oct. 9, 1997The invention provides a process for the purification of a butane-1,4-diol feed containing a minor amount of the cyclic acetal, 2-(4'-hydroxybutoxy)-tetrahydrofuran, which comprises hydrogenating the butane-1,4-diol feed in a hydrogenation zone in the presence of a minor amount of water and a hydrogenation catalyst, and recovering from the hydrogenation zone a butane-1,4-diol product that has a reduced 2-(4'-hydroxybutoxy)-tetrahydrofuran content compared with the butane-1,4-diol feed.
Inventors:
Wood, michael, anthony
Willet, Paul
Coley, stephan, william
Sharif, Mohammad
Willet, Paul
Coley, stephan, william
Sharif, Mohammad
Application Number:
JP53503497A
Publication Date:
June 11, 2008
Filing Date:
March 27, 1997
Export Citation:
Assignee:
Kwerner Process Technology Limited
International Classes:
C07C29/132; C07C29/88; C07B61/00; C07C31/20
Domestic Patent References:
| JP58167532A | ||||
| JP54036207A | ||||
| JP62501702A | ||||
| JP61197534A |
Attorney, Agent or Firm:
Kaoru Furuya
Takahiko Mizobe
Satoshi Furuya
Takahiko Mizobe
Satoshi Furuya