Crystalline calcium carbonate as a diluent in hydrothermally cured hydraulic cement compositions
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United States of America Patent
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-
Apr 27, 1982
Grant Date -
N/A
app pub date -
May 21, 1980
filing date -
May 21, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to hydrothermally cured articles of manufacture and the processes for making the same. In the past, calcium carbonate has been included in such articles and processes a number inert filler materials to alter physical characteristics, appearance, etc. The present invention comprises incorporating crystalline calcium carbonate, preferably in the form of powdered marble, with the normal constituents to dilute the relative amounts of these constituents and thus make a more economic blend without substantial degradation to the physical characteristics of the article of manufacture incorporating such crystalline calcium carbonate.
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