Concrete surface retarders

Compositions: coating or plastic – Coating or plastic compositions – Proteinaceous material containing

Reexamination Certificate

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Details

C106S822000, C106S823000, C106S148510, C106S002000, C427S331000

Reexamination Certificate

active

07037367

ABSTRACT:
Surface retarder compositions of the invention comprise at least one surface retarder active suspended in a vegatable oil or derivative thereof, an animal oil or derivative thereof, or mixtures thereof. Methods involving use of the compositions are also described.

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W. R. Grace Construction Products, “Surface Retarders”, www.graceconstruction.com Mar. 2003.
W. R. Grace Construction Products, “Pieri Product Guide” www.graceconstruction.com Aug. 2002.

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