(19)
(11) EP 1 526 120 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:
18.05.2016 Bulletin 2016/20

(45) Mention of the grant of the patent:
30.03.2016 Bulletin 2016/13

(21) Application number: 04256447.6

(22) Date of filing: 20.10.2004
(51) International Patent Classification (IPC): 
C04B 40/00(2006.01)
C04B 24/10(2006.01)
C04B 24/08(2006.01)
C04B 103/22(2006.01)

(54)

CONCRETE SURFACE RETARDERS

OBERFLÄCHENVERZÖGERN FÜR BETON

RETARDATEURS DE SURFACE POUR BETON


(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

(30) Priority: 20.10.2003 US 689925

(43) Date of publication of application:
27.04.2005 Bulletin 2005/17

(73) Proprietor: GCP Applied Technologies Inc.
Cambridge, MA 02140 (US)

(72) Inventors:
  • Mauchamp, John
    71580 Sailenard (FR)
  • Antoine, Phillips
    39140 Larnard (FR)
  • Vincent, Danny
    71500 Louhans (FR)
  • Hazrati, Kait
    Arlingotn, Ma 02476 (US)

(74) Representative: Duckworth, Timothy John 
J A Kemp 14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)


(56) References cited: : 
WO-A1-00/30820
FR-A1- 2 473 579
WO-A1-85/05066
US-B1- 6 187 382
   
  • CHEMICAL ABSTRACTS, vol. 90, no. 10, 5 March 1979 (1979-03-05), Columbus, Ohio, US; abstract no.: 75698a, BRUECKMAN, JOZEF ET AL BRUECKMAN, JOZEF ET AL: "Emulsifiers which retard cement setting" XP000059967 & PL 88 584 B (BIURO PROJEKTOWO-BADAWCZE BUDOWNICTWA OGOLNEGO "MIASTOPROJEKT-WROCLAW") 30 July 1977 (1977-07-30)
  • W.R. GRACE & CO.: "Pieri Bara -Tard TM" MATERIAL SAFETY DATA SHEET, [Online] 9 April 2003 (2003-04-09), XP002523260 Retrieved from the Internet: URL:http://www.na.graceconstruction.com/Ar chitectural_Concrete/download/Pieri%20Bara -Tard%20D-05991%20(CG)-SDS.pdf> [retrieved on 2009-04-06]
   
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).