Portland cement, process for preparing same, and compositions co

Details Portland cement, process for preparing same, and compositions co Portland cement, process for preparing same, and compositions co

1983-06-10

1985-08-27

Williams, Howard S.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 97, C04B 704, B32B 1300

Patent

active

045376336

ABSTRACT:
An improved Portland cement composition and process for producing same comprising dry powder of Portland cement and very fine particles of carbon black, wherein the dry powder of Portland cement is coated with an asphalt film prior to the addition of the carbon black.

REFERENCES:
patent: 2198800 (1940-04-01), Badollet
patent: 2210367 (1940-08-01), Halbach
patent: 2609882 (1952-09-01), Morgan et al.
patent: 3010840 (1961-11-01), Goff et al.
patent: 3713856 (1973-01-01), McConnaughay

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