Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2006-10-31
2006-10-31
Marcantoni, Paul (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
C106S733000, C106S823000
Reexamination Certificate
active
07128782
ABSTRACT:
A chromium VI reducing composition comprising particles of solid material selected from the group consisting of iron (II) sulfate and tin sulfate, the particles being substantially uniformly dispersed within a liquid carrier. Methods for modifying hydratable cementitious materials using the chromium reducing composition are also disclosed and provide advantages over dry powder or dissolved forms of sulfate compositions when used in cement manufacturing.
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Chun Byong-Wa
Cornman Charles R.
Geary David T.
Gupta Vijay
Jardine Leslie A.
Leon Craig K.
Marcantoni Paul
W.R. Grace & Co.-Conn.
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