Patent · US Expired

Process of producing a flexible magnetic recording media having a backing coating

US5330784A · kind A · utility

2Cited by

3References

5Claims

0Family size

Assignee

BASF Magnetics GmbH · DE

Inventors

Michael Bobrich · Haßloch, DE
Gregor Brodt · Heppenheim, DE
Hermann Roller · Ludwigshafen, DE

Key dates

Filing date	Nov 4, 1993
Grant date	Jul 19, 1994
Priority date	—
Expiry date	Nov 4, 2013

Classification

Technology area (CPC G)Physics
CPC primaryG11B5/7356
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

Flexible magnetic recording media essentially consist of a web-like nonmagnetic substrate, a magnetic layer applied to one main side of the web-like substrate and a backing coating formed on the opposite main side of the substrate from a polymeric binder and nonmagnetizable fillers and supporting pigments.

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