公开(公告)号：CA3148004A1

公开(公告)日：2021-02-11

申请号：CA3148004

申请日：2020-07-28

Applicant: BASF SE

Inventor： STAVROU MARINA-ELENI ,  BECHTEL MARCUS ,  MAZARRO BERDONCES ROSARIO ,  PIEPENBREIER FRANK ,  CHAN CHEE JIAN ,  KAIBEL BJOERN ,  KEMPTER ANDREAS

IPC: C07C303/44 ,  C07C309/04

Abstract: Process for separating anhydrous methanesulfonic acid from a reaction mixture comprising methanesulfonic acid and sulfuric acid by distillation with at least three functional steps and the use of said methanesulfonic acid.

公开(公告)号：CA3156366A1

公开(公告)日：2021-04-08

申请号：CA3156366

申请日：2020-09-22

Applicant: BASF SE

Inventor： PIEPENBREIER FRANK ,  KEMPTER ANDREAS ,  CHAN CHEE ,  MAZARRO BERDONCES ROSARIO ,  SCHIERLE-ARNDT KERSTIN ,  KAIBEL BJOERN ,  SPIELMANN JAN ,  BORGMEIER FRIEDER ,  ZEILINGER MICHAEL ,  BIERTUEMPEL INGO ,  OTT TIMO

IPC: C07C303/06 ,  C07C309/04

Abstract: The present invention relates to an improved process for manufacturing of alkanesulfonic acids.