(19)
(11) EP 1 373 161 A1

(12)

(43) Date of publication:
02.01.2004 Bulletin 2004/01

(21) Application number: 01934303.7

(22) Date of filing: 30.03.2001
(51) International Patent Classification (IPC)7C04B 35/495, H01P 7/10, H01P 1/30
(86) International application number:
PCT/IN2001/000077
(87) International publication number:
WO 2002/079115 (10.10.2002 Gazette 2002/41)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(71) Applicant: Council of Scientific and Industrial Research
New Delhi 110 001,Maharashtra (IN)

(72) Inventors:
  • ISUHAK, Naseemabeevi Jawahar
    P.O Thiruvananthapuram 695 019,Kerala (IN)
  • MAILADIL, Thomas Sebastian
    P.O Thituvananthapuram 695 019,Kerala (IN)

(74) Representative: Manaton, Ross Timothy 
JY & GW Johnson,Kingsbourne House,229-231 High Holborn
London WC1V 7DP
London WC1V 7DP (GB)

   


(54) A MICROWAVE DIELECTRIC CERAMIC COMPOSITION AND A PROCESS FOR THE PREPARATION THEREOF