Cement admixture

Details Cement admixture Cement admixture

2004-11-04

2011-11-15

Seidleck, James J (Department: 1765)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S002000, C524S200000, C524S004000, C524S376000, C524S377000, C525S223000, C526S318420

Reexamination Certificate

active

08058328

ABSTRACT:
A cement admixture object of the present invention can make slump-retaining ability excellent to retain fluidity and, at the same time, can realize a viscosity of cement compositions so that work becomes easy at a field handling them, can make the state of a cement composition better. The present invention relates to a cement admixturewhich comprises a polycarboxylic acid copolymer having a polyalkylene glycol side chain,said polycarboxylic acid copolymer being constituted of two or more species of copolymers with different acid values, andat least one of said two or more species of copolymers with different acid values having an oxyalkylene group containing 3 or more carbon atoms.

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Examiner's Search Report on TW93133563.

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