Crystalline calcium carbonate as a diluent in hydrothermally cur

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106120, C04B 702

Patent

active

043268919

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.

REFERENCES:
patent: 662643 (1900-11-01), Griswold
patent: 1861317 (1932-05-01), Moross
patent: 2602754 (1952-07-01), Abraham
patent: 3366720 (1968-01-01), Burger
patent: 3501323 (1970-03-01), Moorehead
patent: 3582377 (1971-06-01), Hays et al.

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