Process for coloring concrete

Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface

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4273722, B28B 300

Patent

active

055342140

ABSTRACT:
A concrete coloring material and a process for coloring concrete by means of such a concrete coloring material capable of permitting concrete to exhibit natural color or aesthetic properties while preventing concrete from being substantially discolored. Polyethylene oxide is used as a water-soluble adhesive or gIue. The oxide is mixed with a composition such as dye, pigment, a mixture thereof or the like, to thereby permit the composition to penetrate into the concrete.

REFERENCES:
patent: 3947287 (1976-03-01), Belde et al.
patent: 5082498 (1992-01-01), Kurtz et al.
patent: 5298335 (1994-03-01), Reed et al.

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