Global Patent Index - EP 0441903 A4

EP 0441903 A4 19911204 - SUPERCONDUCTING METAL OXIDE COMPOSITIONS AND PROCESSES FOR MANUFACTURE AND USE

Title (en)

SUPERCONDUCTING METAL OXIDE COMPOSITIONS AND PROCESSES FOR MANUFACTURE AND USE

Publication

EP 0441903 A4 19911204 (EN)

Application

EP 90903287 A 19891016

Priority

US 26618088 A 19881102

Abstract (en)

[origin: WO9005384A1] Compositions having the nominal formula TlBaaCabCucOx, wherein a is from about 2 to 4, b is from about 7/2 to 5, c is from about 9/2 to 7, x = (a + b + c + y), where y is from about 1/2 to 3, are superconducting. Processes for manufacturing such compositions and for using them are disclosed.

IPC 1-7

H01L 39/12; C01F 1/00; C01F 11/00; C01G 3/02; C01G 15/00

IPC 8 full level

C01G 15/00 (2006.01); C01G 1/00 (2006.01); C04B 35/45 (2006.01); H01L 39/12 (2006.01); H01L 39/22 (2006.01)

IPC 8 main group level

H01L (2006.01)

CPC (source: EP KR)

C01F 1/00 (2013.01 - KR); C04B 35/4512 (2013.01 - EP); H10N 60/857 (2023.02 - EP)

Citation (search report)

  • [X] PROCEEDINGS OF THE INT. SYMPOSIUM ON SUPERCONDUCTIVITY August 29, 1988, TOKYO, JP pages 793 - 798; H. IHARA ET AL.: 'New T1-Ba-Ca-Cu-O (1234, 1245 and 2234) Superconductors with very high Tc '
  • [A] NATURE vol. 334, August 11, 1988, LONDON, GB pages 510 - 511; H. IHARA ET AL.: 'A ne high-Tc TIBA2Ca3Cu4O11 superconductor with Tc >120K '
  • [XP] PHYSICA C vol. 159, no. 6, August 1, 1989, AMSTERDAM, NL pages 801 - 810; P.L. GAI ET AL.: 'Microstructure and microchem. of defects and interfaces in T12Ba2Ca3Cu4O12 , TIBa2Ca4Cu5O13 and (TI,Pb)Sr2Can-1CunO2n+3(n=2,3)oxide superconductors '
  • See references of WO 9005384A1

Designated contracting state (EPC)

AT CH DE FR GB IT LI NL

DOCDB simple family (publication)

WO 9005384 A1 19900517; AU 5096990 A 19900528; CA 2002022 A1 19900502; DK 72091 A 19910419; DK 72091 D0 19910419; EP 0441903 A1 19910821; EP 0441903 A4 19911204; JP H04501553 A 19920319; KR 900701659 A 19901204; NO 911667 D0 19910426; NO 911667 L 19910426

DOCDB simple family (application)

US 8904477 W 19891016; AU 5096990 A 19891016; CA 2002022 A 19891101; DK 72091 A 19910419; EP 90903287 A 19891016; JP 50350090 A 19891016; KR 900701396 A 19900630; NO 911667 A 19910426