Compositions: coating or plastic – Coating or plastic compositions – Inorganic settable ingredient containing
Reexamination Certificate
2007-01-30
2007-01-30
Wood, Elizabeth D. (Department: 1755)
Compositions: coating or plastic
Coating or plastic compositions
Inorganic settable ingredient containing
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).
Burciaga Melendez Pedro
Garcia Casillas Perla Elvia
Garcia Luna Armando
Valenzuela Grado Jaime
Grupo Cementos de Chihuaua S.A. de C.V.
Rothwell Figg Ernst & Manbeck P.C.
Wood Elizabeth D.
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