Patent · US Expired

Deliming of hides and use of cyclic esters of sulfurous acid as deliming agents

US4729768A · kind A · utility

0Cited by

2References

8Claims

0Family size

Assignee

BASF SE

Inventors

Kurt Schneider · Farmington, US
Dietrich Lach
Rolf Streicher · Worms, DE
Ortwin Schaffer · Ludwigshafen, DE

Key dates

Filing date	Jul 18, 1986
Grant date	Mar 8, 1988
Priority date	—
Expiry date	Jul 18, 2006

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC14C1/08
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

In a particularly time-saving and economical process for deliming hides, a cyclic ester of sulfurous acid with an aliphatic 1,2-diol is used as the deliming agent.

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