公开(公告)号：BR8705716A

公开(公告)日：1988-05-31

申请号：BR8705716

申请日：1987-10-27

Applicant: HOECHST AG

Inventor： SCHMIDT MANFRED ,  RUPP WALTER ,  SCHNEIDER GERHART ,  KOHN EVA M

IPC: C07C309/04 ,  C07C309/09 ,  C09K8/584 ,  E21B43/22 ,  C07C143/34

Abstract: Styrylaryloxy ether sulfonates of the formula in which either R1 denotes styryl and simultaneously R2 and R3 are identical or different and denote hydrogen or styryl, or R1 and R2 are nonidentical and each denote methyl or styryl and simultaneously R3 denotes hydrogen or styryl, x denotes a number from 2 to 20, and M denotes an ammonium or alkali metal cation. These compounds are suitable as surfactant auxiliaries in oil recovery.

公开(公告)号：DE3767119D1

公开(公告)日：1991-02-07

申请号：DE3767119

申请日：1987-10-17

Applicant: HOECHST AG

Inventor： SCHMIDT MANFRED ,  RUPP WALTER ,  SCHNEIDER GERHART ,  KOHN EVA M

IPC: C07C309/04 ,  C07C309/09 ,  C09K8/584 ,  E21B43/22

Abstract: Styrylaryloxy ether sulfonates of the formula in which either R1 denotes styryl and simultaneously R2 and R3 are identical or different and denote hydrogen or styryl, or R1 and R2 are nonidentical and each denote methyl or styryl and simultaneously R3 denotes hydrogen or styryl, x denotes a number from 2 to 20, and M denotes an ammonium or alkali metal cation. These compounds are suitable as surfactant auxiliaries in oil recovery.

公开(公告)号：NO874426L

公开(公告)日：1988-04-25

申请号：NO874426

申请日：1987-10-23

Applicant: HOECHST AG

Inventor： SCHMIDT MANFRED ,  RUPP WALTER ,  SCHNEIDER GERHART ,  KOHN EVA M

IPC: C07C309/04 ,  C07C309/09 ,  C09K8/584 ,  E21B43/22 ,  C07C ,  E21B43/00

Abstract: Styrylaryloxy ether sulfonates of the formula in which either R1 denotes styryl and simultaneously R2 and R3 are identical or different and denote hydrogen or styryl, or R1 and R2 are nonidentical and each denote methyl or styryl and simultaneously R3 denotes hydrogen or styryl, x denotes a number from 2 to 20, and M denotes an ammonium or alkali metal cation. These compounds are suitable as surfactant auxiliaries in oil recovery.

公开(公告)号：NO874426A

公开(公告)日：1988-04-25

申请号：NO874426

申请日：1987-10-23

Applicant: HOECHST AG

Inventor： SCHMIDT MANFRED ,  RUPP WALTER ,  SCHNEIDER GERHART ,  KOHN EVA M

IPC: C07C309/04 ,  C07C309/09 ,  C09K8/584 ,  E21B43/22 ,  C07C ,  E21B43/00

CPC classification number: C07C309/00 ,  C09K8/584