(19)
(11) EP 0 469 002 A1

(12)

(43) Date of publication:
05.02.1992 Bulletin 1992/06

(21) Application number: 90906038.0

(22) Date of filing: 05.04.1990
(51) International Patent Classification (IPC): 
C04B 9/ 02( . )
C04B 9/ 20( . )
C04B 28/ 30( . )
C04B 9/ 04( . )
C04B 22/ 16( . )
(86) International application number:
PCT/AU1990/000132
(87) International publication number:
WO 1990/011976 (18.10.1990 Gazette 1990/24)
(84) Designated Contracting States:
DE FR GB IT SE

(30) Priority: 05.04.1989 AU 19890003522
27.09.1989 AU 19890006616

(71) Applicant: JEFFCOTT HOLDINGS LIMITED (IN LIQUIDATION)
Adelaide, S.A. 5000 (AU)

(72) Inventors:
  • RALSTON, John
    Belair, S.A. 5052 (AU)
  • SMART, Roger, St. Clair
    Henley Beach South, S.A. 5022 (AU)
  • MAIR, Alexander, Donald
    Belair, S.A. 5052 (AU)
  • CSAVAS, Julianna
    Paradise, S.A. 5075 (AU)

(74) Representative: Marshall, Monica Anne, et al 
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)

   


(54) PROCESS FOR FORMING WATER RESISTANT MAGNESIAN CEMENT INTRODUCTION