EP 0866778 A4 20000112 - METHOD OF MAKING BLENDED CEMENT COMPOSITONS
Title (en)
METHOD OF MAKING BLENDED CEMENT COMPOSITONS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON MISCHZEMENT ZUSAMMENSETZUNGEN
Title (fr)
PROCEDE DE FABRICATION DE COMPOSITIONS DE CIMENTS DE MELANGE
Publication
Application
Priority
- US 9619145 W 19961206
- US 854595 P 19951213
- US 75543396 A 19961122
Abstract (en)
[origin: WO9721637A1] A method of preparing a blended cement composition is provided. The method comprises intergrinding a composition comprised of a major amount by weight of portland cement clinker, a minor amount by weight of a pozzolanic material and a grinding aid in an amount of from about 0.1 % to about 5 % based on the total weight of portland cement clinker and pozzolanic material, said grinding aid being comprised of a naphthalenesulfonate formaldehyde condensate.
IPC 1-7
C04B 7/13; C04B 7/14; C04B 7/19; C04B 7/52; C04B 14/02; C04B 14/36; C04B 18/04
IPC 8 full level
C04B 7/13 (2006.01); C04B 7/52 (2006.01); C04B 24/22 (2006.01); C04B 28/04 (2006.01)
CPC (source: EP)
C04B 7/13 (2013.01); C04B 7/52 (2013.01); C04B 24/226 (2013.01); C04B 28/04 (2013.01); Y02P 40/10 (2015.11)
Citation (search report)
- [A] WO 9200251 A1 19920109 - UNIV CALIFORNIA [US]
- [A] GB 1469273 A 19770406 - RAYCHEM CORP
- [A] GB 2099414 A 19821208 - GRACE W R & CO
- See references of WO 9721637A1
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9721637 A1 19970619; CA 2240291 A1 19970619; CA 2240291 C 20041026; EP 0866778 A1 19980930; EP 0866778 A4 20000112
DOCDB simple family (application)
US 9619145 W 19961206; CA 2240291 A 19961206; EP 96944741 A 19961206