Method for tanning animal skins

US9206486B2 · kind B2 · utility

Assignee

• Fraunhofer-Gesellschaft zur förderung der angewandten Forschung e.V. · DE

Inventors

• Manfred Renner · Essen, DE
• Eckhard Weidner · Erlangen, DE
• Helmut Geihsler · Cologne, DE

Key dates

• Filing date: Apr 21, 2010
• Grant date: Dec 8, 2015
• Expiry date: Apr 21, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C14C3/30
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for tanning animal hides which comprises the steps of: Such a process is substantially wastewaterless, optionally even completely wastewaterless, and delivers high-quality through-tanned leathers or furs after short treatment times.