(19)
(11) EP 0 726 991 A1

(12)

(43) Date of publication:
21.08.1996 Bulletin 1996/34

(21) Application number: 94929053.0

(22) Date of filing: 10.10.1994
(51) International Patent Classification (IPC): 
C09D 133/ 08( . )
E04C 2/ 26( . )
E04C 1/ 40( . )
(86) International application number:
PCT/NZ1994/000103
(87) International publication number:
WO 1995/010674 (20.04.1995 Gazette 1995/17)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 10.10.1993 NZ 19930248372

(71) Applicant: Holyoake, Ian, Conrad
Howick, Auckland 1705 (NZ)

(72) Inventor:
  • Holyoake, Ian, Conrad
    Howick, Auckland 1705 (NZ)

(74) Representative: Caldwell, Judith Margaret 
David Keltie Associates, Audrey House, Ely Place
London EC1N 6SN
London EC1N 6SN (GB)

   


(54) IMPROVEMENTS IN OR RELATING TO PREFORMED BUILDING MATERIALS