(19)
(11) EP 0 824 371 A1

(12)

(43) Date of publication:
25.02.1998 Bulletin 1998/09

(21) Application number: 96905624.0

(22) Date of filing: 19.03.1996
(51) International Patent Classification (IPC): 
C01B 21/ 06( . )
B01J 27/ 24( . )
B01J 37/ 00( . )
B01J 27/ 22( . )
B01J 35/ 10( . )
C01B 31/ 30( . )
(86) International application number:
PCT/BR1996/000011
(87) International publication number:
WO 1996/035510 (14.11.1996 Gazette 1996/50)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 11.05.1995 BR 19950001693

(71) Applicant: Instituto Nacional De Pesquisas Espaciais
12630-0000 Cachoeira Paulista, SP (BR)

(72) Inventors:
  • RODRIGUES, José, Augusto, Jorge
    12630-000-Cachoeira Paulista, SP (BR)
  • CRUZ, Gilberto, Marques
    12600-000-Lorena, SP (BR)
  • DJEGA-MARIADASSOU, Gérald
    F-75252 Paris Cédex 05 (FR)
  • BUGLI, Guy
    F-75012 Paris (FR)

(74) Representative: Groner, Manfred, et al 
Isler & Pedrazzini AG, Patentanwälte, Postfach 6940
8023 Zürich
8023 Zürich (CH)

   


(54) CARBIDES AND NITRIDES OF TRANSITION ELEMENTS WITH CONTROLLED POROSITY