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(11)

EP 1 615 859 A1

(12)

(43) Date of publication: 18.01.2006 Bulletin 2006/03 (21) Application number: 04726681.2 (22) Date of filing: 08.04.2004

(51) International Patent Classification (IPC):  C04B 28/02(1985.01) C09K 21/02(1985.01) C04B 28/02(1985.01) C04B 18/26(1985.01) C04B 14/04(1985.01) E04B 1/94(1968.09) C04B 14/04(1985.01) (86) International application number: PCT/NL2004/000237 (87) International publication number: WO 2004/089847 (21.10.2004 Gazette 2004/43)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL HR LT LV MK (30) Priority: 11.04.2003 NL 1023149 (71) Applicant: Durisol Raalte B.V. 8102 HC Raalte (NL)	(72) Inventors: WALTER, Reinhard 99706 Sondershausen (DE) VELDHOEN, Arend, Johan NL-8101 AM Raalte (NL) (74) Representative: Prins, Hendrik Willem et al Arnold & Siedsma, Advocaten en Octrooigemachtigden, Sweelinckplein 1 2517 GK Den Haag 2517 GK Den Haag (NL)