(19)
(11) EP 1 147 071 A1

(12)

(43) Date of publication:
24.10.2001 Bulletin 2001/43

(21) Application number: 99962306.9

(22) Date of filing: 22.12.1999
(51) International Patent Classification (IPC)7C04B 35/18, C04B 35/628
(86) International application number:
PCT/GB9904/240
(87) International publication number:
WO 0037/390 (29.06.2000 Gazette 2000/26)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 22.12.1998 GB 9828286

(71) Applicant: Imerys Minerals Limited
St. AustellCornwall PL25 4DJ (GB)

(72) Inventor:
  • HEARLE, Jonathan, Andrew
    Falmouth,Cornwall TR11 3RS (GB)

   


(54) CALCINED CLAY-CONTAINING COMPOSITIONS AND THEIR PRODUCTION AND USE