Patent · US Expired

Method for producing tanning agents containing sulphone

US6881356B2 · kind B2 · utility

1Cited by

2References

10Claims

0Family size

Assignee

BASF SE

Inventors

Gunther Pabst · Neumarkt i.d.OPf., DE
Gerhard Wolf · Mannheim, DE
Jurgen Kast · Böhl-Iggelheim, DE
Jürgen Werner · Bad Dürkheim, DE

Key dates

Filing date	Aug 16, 2002
Grant date	Apr 19, 2005
Priority date	—
Expiry date	Aug 16, 2022

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC14C3/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for preparing a solution of sulfone-containing tanning materials comprises

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