FLEXIBLE MAGNETIC RECORDING MEDIUM CONTAINING POLYBENZAZOLE POLYMERS - Patent 0632921

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EP 0 632 921 A1

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(43)	Date of publication:
	11.01.1995 Bulletin 1995/02

(21)	Application number: 93907411.0

(22)	Date of filing: 11.03.1993

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International Patent Classification (IPC):

C08G 73/ 06^{( . )}
C08G 75/ 00^{( . )}
G11B 5/ 73^{( . )}

C08G 73/ 22^{( . )}
C08G 75/ 32^{( . )}

(86)	International application number:
	PCT/US1993/002206

(87)	International publication number:
	WO 1993/019461 (30.09.1993 Gazette 1993/24)

(84)	Designated Contracting States:
	AT BE DE DK FR GB IE IT LU MC NL PT SE

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Priority:

24.03.1992 US 19920857043

(71)	Applicant: THE DOW CHEMICAL COMPANY
	Midland, Michigan 48640 (US)

(72)	Inventors:
	PERETTIE, Donald, J. Midland, MI 48642 (US) PIERINI, Peter, E. Berkeley, CA 94705 (US) McCARTHY, Timothy, M. Midland, MI 48642 (US)

(74)	Representative: Sternagel, Hans-Günther, Dr., et al
	Patentanwälte Dr. Michael Hann, Dr. H.-G. Sternagel, Dr. H. Dörries, Sander Aue 30 D-51465 Bergisch Gladbach D-51465 Bergisch Gladbach (DE)

(54)	FLEXIBLE MAGNETIC RECORDING MEDIUM CONTAINING POLYBENZAZOLE POLYMERS