Lightweight cementitious composite material

Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing

Reexamination Certificate

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Details

C106S603000, C106S686000, C106S692000, C106S696000, C106S724000, C106S801000, C106S823000, C427S403000

Reexamination Certificate

active

10977819

ABSTRACT:
A lightweight cementitious composite material includes expanded synthetic polymer particulate having a particle size of between 0.0625 and 0.5 inches. A dispersant coating on said particulate suppresses electrostatic attraction between particulate particles. A matrix surrounds the particulate and is present from 0.25 to 1 pound per gallon of dispersant coated particulate.

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