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Patent Searching and Data


Title:
PRODUCTION OF ALKALINE EARTH METAL ALKANESULFONATE
Document Type and Number:
Japanese Patent JPH08259517
Kind Code:
A
Abstract:

PURPOSE: To easily obtain in high purity an alkaline earth metal alkanesulfonate salt useful as e.g. a lubricant by adding a solid alkaline earth metal carbonate to an alkanesulfonic acid-contg. solution.

CONSTITUTION: This salt is obtained by adding, to (A) an alkanesulfonic acid- contg. solution, (B) a solid alkaline earth metal carbonate (e.g. magnesium carbonate, calcium carbonate, barium carbonate) in an equivalent amount based on the component A to neutralize the component A followed by separating and removing the residual component B and then distilling the solvent off the solution. It is recommended that the alkanesulfonic acid contains straight-chain 8-30C monosulfoxy group and the neutralization is conducted at room temperature to 70°C.


Inventors:
Aoyanagi, Isao
Application Number:
JP1995000087755
Publication Date:
October 08, 1996
Filing Date:
March 22, 1995
Export Citation:
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Assignee:
JAPAN ENERGY CORP
International Classes:
C07C303/32; C07C309/04; (IPC1-7): C07C309/04; C07C303/32
Attorney, Agent or Firm:
並川 啓志