Patent · US Expired

Magnetic recording media

US4581296A · kind A · utility

1Cited by

9References

1Claims

0Family size

Assignee

BASF SE

Inventors

Werner Balz · Schifferstadt, DE
Jenoe Kovacs · Heßheim, DE
Wulf Muenzner · Bischofswerda, DE
Hermann Roller · Ludwigshafen, DE

Key dates

Filing date	Feb 26, 1985
Grant date	Apr 8, 1986
Priority date	—
Expiry date	Feb 26, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31645
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Magnetic recording media consist of a non-magnetic base and a magnetic layer firmly bonded thereto, the magnetic layer containing further additives in addition to ferromagnetic metal powder, an organic binder, a metal oxide powder and conventional assistants.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.