Lubricants for conveyor belt installation in the food industry

US5935914A · kind A · utility

Assignee

• Diversey Lever, Inc. · US

Inventors

• Holger Theyssen · Freinsheim, DE
• Karlheinz Laping · Mannheim, DE
• Stefan Wiemer · Riedstadt, DE

Key dates

• Filing date: Oct 15, 1997
• Grant date: Aug 10, 1999
• Expiry date: Oct 15, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2050/01
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A lubricant concentrate is disclosed, of which the aqueous use solution is suited for lubricating, cleaning and disinfecting of feed and conveyance installations in the food industry, particularly immersion or automatic belt lubricating equipment, the concentrate including PA1 (i) one or more amines; PA1 (ii) one or more ether carboxylic acid compounds; PA1 (iii) one or more polyethyleneglycol (PEG's); and PA1 (iv) up to 99 wt. % (wt/wt) of the usual aids and additives.