(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