Process for the antimicrobial treatment of cooling lubricants

US6126843A · kind A · utility

Assignees

• BASF SE
• Schenk Filterbau GmbH · DE

Inventors

• Siegfried Lang · Ludwigshafen, DE
• Bernhard Fussnegger · Edenkoben, DE
• Dietmar Oechsle · Schwäbisch Gmünd, DE
• Klaus Feifel · Schwäbisch Gmünd, DE
• Martin Zeiler · Schwäbisch Gmünd, DE

Key dates

• Filing date: Nov 5, 1998
• Grant date: Oct 3, 2000
• Expiry date: Nov 5, 2018

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2070/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for treating cooling lubricants to prevent attack by microorganisms using crospovidone-iodine as biocidal substance, wherein the cooling lubricant to be treated is brought into contact with a filter cake which consists essentially of particulate crospovidone-iodine as filter medium.