公开(公告)号：WO2020126855A1

公开(公告)日：2020-06-25

申请号：PCT/EP2019/084972

申请日：2019-12-12

Applicant: BASF SE

Inventor： OTT, Timo ,  BIERTUEMPEL, Ingo ,  RIEGGER, Jens

IPC: C07C303/06 ,  C07C309/04

Abstract: The present invention relates to the use of a mixture of methanesulfonic acid and sulfuric acid as an acid and a substitute for methanesulfonic acid and/or mineral acids, especially hydrochloric acid, nitric acid, sulfuric acid and/or phosphoric acid, in industrial products and processes. The inventive mixture is obtainable by the direct reaction of methane and sulfur trioxide in sulfuric acid as solvent.

公开(公告)号：WO2020212298A1

公开(公告)日：2020-10-22

申请号：PCT/EP2020/060371

申请日：2020-04-14

Applicant: BASF SE

Inventor： OTT, Timo ,  BIERTUEMPEL, Ingo

IPC: C07C303/44 ,  C07C309/04

Abstract: The present application refers to a process for providing anhydrous alkane sulfonic acid in purified form.

公开(公告)号：WO2020064573A1

公开(公告)日：2020-04-02

申请号：PCT/EP2019/075405

申请日：2019-09-20

Applicant: BASF SE

Inventor： OTT, Timo ,  BIERTUEMPEL, Ingo

IPC: C07C303/06 ,  C07C309/04

Abstract: The present invention relates to novel uses of compounds comprising heterolytically cleavable bonds 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 compounds comprising heterolytically cleavable bonds as catalysts.

公开(公告)号：WO2021063730A1

公开(公告)日：2021-04-08

申请号：PCT/EP2020/076350

申请日：2020-09-22

Applicant: BASF SE

Inventor： PIEPENBREIER, Frank ,  KEMPTER, Andreas ,  CHAN, Chee,Jian ,  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.

公开(公告)号：WO2020064515A1

公开(公告)日：2020-04-02

申请号：PCT/EP2019/075233

申请日：2019-09-19

Applicant: BASF SE

Inventor： OTT, Timo ,  BIERTUEMPEL, Ingo

IPC: C07C303/06 ,  C07C309/04

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 ations as catalyst.

公开(公告)号：WO2020064466A1

公开(公告)日：2020-04-02

申请号：PCT/EP2019/075036

申请日：2019-09-18

Applicant: BASF SE

Inventor： OTT, Timo ,  BIERTUEMPEL, Ingo

IPC: C07C303/06 ,  C07C309/00 ,  C08F4/34

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

公开(公告)号：WO2020048965A1

公开(公告)日：2020-03-12

申请号：PCT/EP2019/073444

申请日：2019-09-03

Applicant: BASF SE

Inventor： OTT, Timo ,  BIERTUEMPEL, Ingo

IPC: C07C303/06 ,  C07C303/44 ,  C07C309/04 ,  B01J8/04 ,  B01J19/24

Abstract: The present application refers to a method to produce alkane sulfonic acids as well as a device for carrying out said method.