公开(公告)号：DE19713112A1

公开(公告)日：1998-10-01

申请号：DE19713112

申请日：1997-03-27

Applicant: BASF AG

Inventor： WOLF GERHARD DR ,  IGL GEORG ,  STUEBINGER ADOLF DR ,  WERNER JUERGEN DR ,  LUCAE RUA JULIO ADAMS ,  SUBKLEW GERD MANFRED

IPC: C14C1/08 ,  C14C1/00 ,  C14C3/06

Abstract: Composition (I) for pickling unhaired hides contains: (i) naphthalene- and/or alkyl-naphthalene-monosulphonic acids (Ia); (ii) naphthalene- and/or alkyl-naphthalene-disulphonic acids (Ib); and (iii) naphthalene- and/or alkyl-naphthalene-trisulphonic acids (Ic).

公开(公告)号：DE19707713A1

公开(公告)日：1998-08-27

申请号：DE19707713

申请日：1997-02-26

Applicant: BASF AG

Inventor： WOLF GERHARD DR ,  IGL GEORG ,  GROESSER THOMAS DR ,  STUEBINGER ADOLF DR ,  WERNER JUERGEN DR ,  GUENTHER ERHARD DR

IPC: C14C3/20 ,  C07C303/06 ,  C07C309/29 ,  C07C309/35 ,  C08G12/36 ,  C08G12/40 ,  C14C3/28 ,  C08L61/14 ,  C14C9/04 ,  C08G12/10 ,  C08G12/32 ,  C07C309/28

Abstract: A composition contains (A) one or several aromatic sulphonates; (B) one or several aldehyde resins; and (C) a buffer. Also disclosed is the preparation of this composition and its use for treating, in particular neutralising, leather tanned with compounds containing or free from mineral substances.