(19)
(11) EP 1 201 619 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
05.10.2005 Bulletin 2005/40

(45) Mention of the grant of the patent:
03.08.2005 Bulletin 2005/31

(21) Application number: 99959829.5

(22) Date of filing: 15.12.1999
(51) International Patent Classification (IPC)7: C04B 28/02, C04B 16/06, C04B 24/26, C09K 3/22
(86) International application number:
PCT/JP1999/007046
(87) International publication number:
WO 2000/039050 (06.07.2000 Gazette 2000/27)

(54)

DUSTING-INHIBITED CEMENT COMPOSITION IMPROVED IN STRENGTH

NICHTSTAUBENDE ZEMENTZUSAMMENSETZUNG MIT VERBESSERTER FESTIGKEIT

COMPOSITION DE CIMENT ANTI-POUSSIERE PRESENTANT UNE ROBUSTESSE ACCRUE

(84) Designated Contracting States:
DE FR GB

(30) Priority: 24.12.1998 JP 36700998

(43) Date of publication of application:
02.05.2002 Bulletin 2002/18

(73) Proprietors:
  • Aso Cement Co., Ltd.
    Fukuoka 820-0018 (JP)
  • MURAKASHI LIME INDUSTRY CO., LTD
    Tochigi 327-0509 (JP)
  • DU PONT-MITSUI FLUOROCHEMICALS CO., LTD
    Tokyo 101 (JP)
  • Nippo Corporation
    Tokyo 104-0031 (JP)

(72) Inventors:
  • Tsutsumi, Hirofumi Aso Cement Co., Ltd.
    Kasuya-Gun Fukuoka 811-2304 (JP)
  • Urano, Teruo
    Sano-City Tochigi 327-0103 (JP)
  • Ogura, Masatsune
    Ichikawa-City Chiba 272-0144 (JP)
  • Shimoda, Tetsuya
    Hachioji-City Tokyo 193-0845 (JP)

(74) Representative: Hiltl, Elmar et al
DIEHL.GLAESER.HILTL & PARTNER, Patentanwälte, Augustenstrasse 46
80333 München
80333 München (DE)


(56) References cited: : 
JP-A- 9 328 340
US-A- 3 838 092
 JP-A- 63 074 946
US-A- 5 354 787
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).