公开(公告)号：US3565884A

公开(公告)日：1971-02-23

申请号：US3565884D

申请日：1968-08-14

Applicant: BASF AG

Inventor： HAAG ARMIN

IPC: D06P1/02 ,  C09B29/38

Abstract: DISPERSE DYES DERIVED FROM 3-AMINODIPHENYLENE OXIDES AND PYRAZOLONES FOR DYEING SYNTHETIC ORGANIC FIBERS SUCH AS CELLULOSE ESTER AND SYNTHETIC POLYESTER MATERIAL.

公开(公告)号：DE19755201A1

公开(公告)日：1998-06-18

申请号：DE19755201

申请日：1997-12-12

Applicant: BASF AG

Inventor： BERMES RUDOLF ,  HAAG ARMIN ,  KAST HELLMUT ,  KROETZSCH PETER

IPC: C07C209/68 ,  C07C211/07 ,  C07C303/06 ,  C07C303/32 ,  C07C303/44 ,  C07C309/00 ,  C07C309/40 ,  C09B23/14 ,  C07C211/63

Abstract: Process for preparing amine salts of 4-nitrotoluene-2-sulphonic acid comprises sulphonating nitrotoluene with oleum, diluting the reaction mixture with water, partially neutralising the acid aqueous solution of the sulphonation product with inorganic bases and extracting the mixture with lipophilic amines.

公开(公告)号：CH692246A5

公开(公告)日：2002-04-15

申请号：CH282397

申请日：1997-12-05

Applicant: BASF AG

Inventor： HAAG ARMIN ,  KAST HELLMUT ,  KROETZSCH PETER

IPC: C07C209/68 ,  C07C211/07 ,  C07C303/06 ,  C07C303/32 ,  C07C303/44 ,  C07C309/00 ,  C07C309/40 ,  C09B23/14