Anhydrite cement compositions and procedures for manufacture

Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing

Reexamination Certificate

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C106S772000

Reexamination Certificate

active

10854631

ABSTRACT:
The present invention describes improved anhydrite cementitious compositions that control or avoid ettringite formation, as well as procedures for manufacture. These compositions exhibit good compression resistance in early stages, good resistance to abrasion and good behavior under water.

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American Chemical Society. Dec. 24, 1984. XP000189070.
P.E. Halstead et al.,The Composition and Crystallography of an Anhydrous Calcium Aluminosulphate Occurring in Expanding Cement, J. appl. Chem., Sep. 1962, pp. 413-417, (12).

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