公开(公告)号：US20220340518A1

公开(公告)日：2022-10-27

申请号：US17766035

申请日：2020-09-22

Applicant: BASF SE

Inventor： Frank PIEPENBREIER ,  Andreas KEMPTER ,  Chee Jian CHAN ,  Rosario MAZARRO BERDONCES ,  Kerstin SCHIERLE-ARNDT ,  Bjoern KAIBEL ,  Jan SPIELMANN ,  Frieder BORGMEIER ,  Michael ZEILINGER ,  Ingo BIERTUEMPEL ,  Timo OTT

IPC: C07C303/06

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

公开(公告)号：US20220033354A1

公开(公告)日：2022-02-03

申请号：US17279450

申请日：2019-09-19

Applicant: BASF SE

Inventor： Timo OTT ,  Ingo BIERTUEMPEL

IPC: C07C303/06 ,  C07C303/44

Abstract: The present invention relates to the use of cations or compounds forming stable cations in the production of alkane sulfonic acids as well as methods to produce methane sulfonic acids employing the cations as catalyst.

公开(公告)号：US20200369604A1

公开(公告)日：2020-11-26

申请号：US16965039

申请日：2019-02-13

Applicant: BASF SE

Inventor： Timo OTT ,  Ingo BIERTUEMPEL

IPC: C07C315/04

Abstract: The present invention relates to novel uses of stable inorganic peroxoacids as catalysts in the preparation of alkanesulfonic acids from alkanes and sulfur trioxide, methods for the production of alkanesulfonic acids employing said catalysts as well as reaction mixtures comprising said catalysts. The invention particularly relates to the production of methanesulfonic acid from methane and sulfur trioxide employing stable inorganic peroxoacids as catalysts.