公开(公告)号：EP0505692A1

公开(公告)日：1992-09-30

申请号：EP92101629.1

申请日：1992-01-31

Applicant: ELF ATOCHEM NORTH AMERICA, INC.

Inventor： Henderson, Phyllis Ann ,  Postuma, Carl ,  Schon, Steven Gabriel

IPC: C07C303/44 ,  C07C309/04

CPC classification number: C07C303/44 ,  Y02P20/582 ,  C07C309/04

Abstract: A process of preparing purified alkanesulfonic acid from crude aqueous alkanesulfonic acid containing oxidizable impurities wherein the crude material is treated with a sufficient amount of chlorine to convert the oxidizable impurities to alkanesulfonyl chloride and then hydrolyzing said alkanesulfonyl chloride to alkanesulfonic acid by heating.

Abstract translation: 从含有可氧化杂质的粗制烷基磺酸水溶液中制备纯化的链烷磺酸的方法，其中用足够量的氯处理粗物质以将可氧化杂质转化为烷基磺酰氯，然后通过加热将所述烷烃磺酰氯水解成烷烃磺酸。

公开(公告)号：EP0505692B1

公开(公告)日：1995-11-02

申请号：EP92101629.1

申请日：1992-01-31

Applicant: ELF ATOCHEM NORTH AMERICA, INC.

Inventor： Henderson, Phyllis Ann ,  Postuma, Carl ,  Schon, Steven Gabriel

IPC: C07C303/44 ,  C07C309/04

CPC classification number: C07C303/44 ,  Y02P20/582 ,  C07C309/04