Cement-SCM compositions and methods and systems for their manufacture

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United States of America Patent

PATENT NO 11746048
APP PUB NO 20210309570A1
SERIAL NO

16944587

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Abstract

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Method of efficiently manufacturing cement-SCM compositions having improved strength compared to cement-SCM compositions made using conventional methods. The cement-SCM compositions may contain: (A) a fine interground particulate component with (1) a hydraulic cement fraction and (2) a supplementary cementitious material (SCM) fraction; (B) a coarse particulate component comprised of coarse SCM particles not interground with the fine interground particulate component; and optionally (C) an auxiliary particulate component not interground with the fine interground particulate component or the coarse particulate component. A method of manufacturing a cement-SCM composition may be performed by: (A) intergrinding hydraulic cement (e.g., cement clinker) with one or more SCMs to form a fine interground particulate component; (B) blending, without intergrinding, the fine interground particulate component with a coarse particulate component comprised of coarse SCM particles; and optionally (C) further combining, without intergrinding, an auxiliary particulate component with the fine interground particulate component and the coarse particulate component.

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Patent Owner(s)

Patent OwnerAddress
ROMAN CEMENT LLC1475 PRINCETON AVENUE SALT LAKE CITY UT 84105

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guynn, John M Salt Lake City, US 44 547

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