Neal Steven Berke - Chelmsford MA Michael Paul Dallaire - Dover NH Awdhoot Vasant Kerkar - Columbia MD
Assignee:
W.R. Grace & Co.-Conn. - New York NY
International Classification:
C04B 2402 C04B 2416
US Classification:
106809
Abstract:
A cement admixture composed of a mixture of lower alkyl ether oxyalkylene adducts with a sulfonated organocyclic material to provide cement compositions of mortar and concrete which inhibit drying shrinkage while attaining very high slump and/or increased compressive strength.
Composition And Method For Inhibiting Drying Shrinkage Of Concrete
Neal S. Berke - Chelmsford MA Michael P. Dallaire - Dover NH Awdhoot V. Kerkar - Columbia MD
Assignee:
W. R. Grace & Co.-Conn. - New York NY
International Classification:
C04B 2400
US Classification:
106696
Abstract:
A concrete composition capable of inhibiting shrinkage of structural concrete structures is disclosed. The concrete is formed with an admixture composed of at least one secondary/tertiary alkanediol.
Cement Admixture Capable Of Inhibiting Drying Shrinkage And Method Of Using Same
Neal S. Berke - Chelmsford MA Michael P. Dallaire - Dover NH
Assignee:
W.R. Grace & Co.-Conn - New York NY
International Classification:
C04B 2200 C04B 2402
US Classification:
106802
Abstract:
A cement admixture composition composed of a mixture of alkylene glycol and fume silica to provide a means of inhibiting drying shrinkage and enhancing compressive strength.
Neal S. Berke - Chelmsford MA Michael P. Dallaire - Dover NH Ellis M. Gartner - Silver Spring MD Awdhoot V. Kerkar - Columbia MD Timothy J. Martin - West Sussex, GB2
Assignee:
W.R. Grace & Co.-Conn. - New York NY
International Classification:
C09D 712 C08L 7102
US Classification:
106823
Abstract:
A cement admixture composed of a low molecular weight oxyalkylene compound and a comb polymer having carboxylic acid groups and oxyalkylene units therein.
Neal S. Berke - Chelmsford MA Michael P. Dallaire - Dover NH
Assignee:
W. R. Grace & Co.-Conn. - New York NY
International Classification:
C04B 2200 C04B 2402
US Classification:
106802
Abstract:
A fluid, stable aqueous dispersion of silica fume and alkali or alkaline earth metal nitrite salt. The dispersion contains a water soluble alkylene glycol.