Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1993-05-14
1994-09-13
Resan, Stevan A.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428340, 428404, 428407, 4284231, 428694TB, 428694BB, 428900, G11B 500
Patent
active
053467612
ABSTRACT:
In flexible magnetic recording media consisting essentially of a web-like nonmagnetic substrate, the magnetic layer is 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 nonmagnetic fillers as well as supporting pigments, the backing coating contains a precipitated silica treated on the surface with a phosphate-containing polyurethane.
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Baur Reinhold
Bobrich Michael
Engelhardt Peter
Latzel Werner
Lenz Werner
BASF Magnetics GmbH
Resan Stevan A.
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