(19)
(11) EP 0 527 958 A1

(12)

(43) Date of publication:
24.02.1993 Bulletin 1993/08

(21) Application number: 91917009.0

(22) Date of filing: 29.04.1991
(51) International Patent Classification (IPC): 
C04B 41/ 87( . )
C04B 41/ 45( . )
C04B 41/ 81( . )
C04B 35/ 628( . )
C04B 41/ 52( . )
C04B 41/ 89( . )
(86) International application number:
PCT/US1991/002814
(87) International publication number:
WO 1991/018841 (12.12.1991 Gazette 1991/28)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 08.05.1990 US 19900520582
07.12.1990 US 19900623582

(71) Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
Wilmington Delaware 19898 (US)

(72) Inventor:
  • JACOBSON, Howard, Wayne
    Wilmington, DE, 19810 (US)

(74) Representative: Woodcraft, David Charles, et al 
BROOKES & MARTIN High Holborn House 52/54 High Holborn
London, WC1V 6SE
London, WC1V 6SE (GB)

   


(54) COATED REFRACTORY COMPOSITIONS AND METHOD FOR PREPARING THE SAME