Patent · US Expired

Quaternized condensation products for aftertreating dyed leather

US5224963A · kind A · utility

2Cited by

8References

7Claims

0Family size

Assignee

BASF SE

Inventors

Johannes P. Dix · Schifferstadt, DE
Rolf Fikentscher · Ludwigshafen, DE
Ortwin Schaffer · Ludwigshafen, DE
Rolf Streicher · Worms, DE

Key dates

Filing date	Feb 14, 1991
Grant date	Jul 6, 1993
Priority date	—
Expiry date	Feb 14, 2011

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P3/32
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Dyed leather is aftertreated with quaternized condensation products of PA0 A) a precondensate of one or more trialkanolamines of the Formula I ##STR1## B) a) a carboxylic acid derivative thereof IIa ##STR2## b) a carboxamide IIb ##STR3## c) an epichlorohydrin IIc ##STR4## d) a monofunctional compound IId R.sup.9 --Y IId PA1 e) a bifunctional compound IIe Z'--R.sup.10 --Z.sup.2 IIe PA0 C) a benzyl halide III ##STR5##

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.