Deodorization of used foam moldings, in particular fish crates

US5429798A · kind A · utility

Assignee

• BASF SE

Inventors

• Michael Witt · Ludwigshafen, DE
• Dietrich Scherzer · Neustadt, DE
• Klaus Hahn · Lampertheim, DE
• Rolf Henn · Ketsch, DE
• Wolf-Dieter Back · Neustadt, DE

Key dates

• Filing date: Mar 11, 1994
• Grant date: Jul 4, 1995
• Expiry date: Mar 11, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J11/06
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A process for the deodorization of used foam moldings, in which the used foam moldings are treated PA1 a) with an aqueous solution of phosphoric acid, water-soluble primary or secondary phosphates or mixtures thereof.