METHOD OF MAKING HIGH CRITICAL TEMPERATURE SUPERCONDUCTORS, AND STARTING MATERIAL THEREFOR - Patent 0329723

(19)

(11)

EP 0 329 723 A1

(12)

(43)	Date of publication:
	30.08.1989 Bulletin 1989/35

(21)	Application number: 88906007.0

(22)	Date of filing: 22.07.1988

(51)

International Patent Classification (IPC):

C04B 41/ 80^{( . )}
C04B 35/ 00^{( . )}
H01B 12/ 04^{( . )}
H01L 39/ 24^{( . )}

C01G 1/ 00^{( . )}
C04B 35/ 45^{( . )}
H01B 13/ 00^{( . )}

(86)	International application number:
	PCT/GB1988/000599

(87)	International publication number:
	WO 1989/001239 (09.02.1989 Gazette 1989/04)

(84)	Designated Contracting States:
	AT BE CH DE FR GB IT LI LU NL SE

(30)

Priority:

23.07.1987 GB 19870017506

(71)	Applicant: CAMBRIDGE ADVANCED MATERIAL LIMITED
	Cambridge (GB)

(72)	Inventors:
	EVETTS, Jan Edgar Cambridge (GB) FRAY, Derek John Cambridge (GB)

(74)	Representative: Nash, Keith Wilfrid
	KEITH W. NASH & Co. Pearl Assurance House 90-92 Regent Street Cambridge CB2 1DP Cambridge CB2 1DP (GB)

(54)	METHOD OF MAKING HIGH CRITICAL TEMPERATURE SUPERCONDUCTORS, AND STARTING MATERIAL THEREFOR