Deliming hides

US4377387A · kind A · utility

Assignee

• BASF SE

Inventors

• Erwin Hahn · Heidelberg, DE
• Dietrich Lach
• Kurt Schneider · Farmington, US
• Rainer Strickler · Heidelberg, DE
• Rolf Streicher · Worms, DE

Key dates

• Filing date: Feb 12, 1982
• Grant date: Mar 22, 1983
• Expiry date: Feb 12, 2002

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C14C1/08
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Conventionally limed hides are delimed for from one to six hours under conventional deliming conditions in respect of liquor length, temperature and pH of the liquor, by a process in which a cyclic carbonate of a polyhydric aliphatic alcohol of 2 to 6 carbon atoms is employed as the active agent.