Patent · US Expired

Finishing of leather

US4908239A · kind A · utility

2Cited by

2References

11Claims

0Family size

Assignee

BASF SE

Inventors

Dietrich Lach
Guenter Eckert · Schifferstadt, DE
Werner Maltry · Gorxheimertal, DE
Karl Fischer · Burns Lake, CA

Key dates

Filing date	Oct 25, 1988
Grant date	Mar 13, 1990
Priority date	—
Expiry date	Oct 25, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC14C11/003
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Leather is finished on the basis of a purely aqueous system using aqueous polymer dispersions, casein and crosslinking agents in the bottoming and seasoning.

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