公开(公告)号：BR6915653D0

公开(公告)日：1973-02-08

申请号：BR21565369

申请日：1969-12-29

Applicant: BASF AG

Inventor： GANS K ,  WELZEL G

IPC: D04H11/08

公开(公告)号：BR6910287D0

公开(公告)日：1973-01-02

申请号：BR21028769

申请日：1969-06-27

Applicant: BASF AG

Inventor： STEPHAN R ,  FRANK H ,  WELZEL G ,  REINHARD H

IPC: D21H17/50 ,  D21H23/00

Abstract: Bonded nonwovens can be produced with particular advantage by the wet method by treating the textile fibers prior to the addition of the binder polymers with water-soluble cationic polycondensation products which have been prepared from carbamides, formaldehyde, dicyanodiamide and salts of ammonia or of amines.

公开(公告)号：SE324753B

公开(公告)日：1970-06-15

申请号：SE657168

申请日：1968-05-15

Applicant: BASF AG

Inventor： REINHARD H ,  MUELLER A ,  WELZEL G

IPC: C08F220/12 ,  D04H1/4334 ,  D04H1/587 ,  D04H1/645 ,  D06M15/29 ,  D06M15/38