Magnetic recording media

US4668586A · kind A · utility

Assignee

• BASF SE

Inventors

• Albert Kohl · Laumersheim, DE
• Milena Melzer · Ludwigshafen, DE
• August Lehner
• Norbert Schneider · Schorndorf, DE
• Eberhard Koester · Bischofswerda, DE
• Werner Balz · Schifferstadt, DE
• Friedrich Sommermann · Kehl, DE
• Ernst Ricker · Kehl, DE

Key dates

• Filing date: Oct 15, 1985
• Grant date: May 26, 1987
• Expiry date: Oct 15, 2005

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31935
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

In magnetic recording media consisting of a non-magnetic base and, bonded on top of this, one or more magnetizable layers based on magnetic material finely dispersed in a polymer binder, a lubricant and further conventional additives, the lubricant used is a triethanolamine esterified with oleic acid.