Self-leveling cement mix for filling up and sealing diggings...

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

Reexamination Certificate

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C106S705000, C106S737000

Reexamination Certificate

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06890382

ABSTRACT:
A self-leveling cement mix employed for filling up and sealing excavations of channels, trenches, sewages and the like and for building works of various kinds. The cement mix includes large-sized sand of various kind having a mediangrain size of 3 mm, fine-sized sand of various kind having a median grain size of 1.5 mm, volatile ash as a remnant product of coal combustion, conventional type cement, cement aerating agent, fluidifying agent, and water.

REFERENCES:
patent: 4126005 (1978-11-01), Coursen
patent: 4131480 (1978-12-01), McCurrich et al.
patent: 5316572 (1994-05-01), Okamura et al.
patent: 5378279 (1995-01-01), Conroy
patent: 6309457 (2001-10-01), Guerinet et al.
patent: 678 524 (1991-09-01), None
patent: 3529823 (1986-09-01), None
patent: 60096558 (1985-05-01), None
patent: 63129052 (1988-06-01), None
patent: 03252340 (1991-11-01), None
patent: WO 00 66512 (2000-11-01), None

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