Amine-based, hexavalent chromium reducing agents for cement

Details Amine-based, hexavalent chromium reducing agents for cement Amine-based, hexavalent chromium reducing agents for cement

2005-03-29

2005-03-29

Wood, Elizabeth D. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S727000, C106S823000

Reexamination Certificate

active

06872247

ABSTRACT:
Methods and compositions involving hexavalent chromate-reducing agents, particularly hydroxylamine, hydrazine, or their salts or derivatives, for use in cement compositions and cement processing.

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patent: 102 61 076 (2002-12-01), None
patent: 0 960 865 (1999-12-01), None
patent: WO 0006517 (2000-02-01), None

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