Title:
TMP/蒸気圧濾過
Document Type and Number:
Japanese Patent JP4662686
Kind Code:
B2
Abstract:
The invention relates to a process for preparing trimethylolpropane with simultaneous formation of formate salts of the formulawhere M represents the alkali metals lithium, sodium, potassium, rubidium, caesium and/or the alkaline earth metals beryllium, calcium, strontium, barium and n is 1 when M is an alkali metal and is 2 when M is an alkaline earth metal, where n-butyraldehyde, formaldehyde and a base are reacted by the inorganic Cannizzaro process and the reaction mixture formed is subjected to vapour pressure filtration as a suspension, if appropriate after partly removing distillable constituents, such as water.
Inventors:
Paul Wagner
Alexander Clausener
Alexander Clausener
Application Number:
JP2002521171A
Publication Date:
March 30, 2011
Filing Date:
August 10, 2001
Export Citation:
Assignee:
Lanxess Deutschland GmbH
International Classes:
C07C27/00; C07C27/26; C07C29/38; C07C29/76; C07C31/22; C07C51/00; C07C51/16; C07C51/41; C07C53/06
Domestic Patent References:
| JP4861411A | ||||
| JP58162538A | ||||
| JP11209323A | ||||
| JP2001506658A |
Foreign References:
| US2468718 | ||||
| US20010003330 | ||||
| DE1052383A | ||||
| GB959233A |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Einzel Felix-Reinhard
Toshiomi Yamazaki
Takuya Kuno
Hiroshi Sugimoto
Einzel Felix-Reinhard