Water repellant gypsum compositions

Details Water repellant gypsum compositions Water repellant gypsum compositions

2007-11-13

2007-11-13

Wood, Elizabeth D. (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S781000, C106S287100, C106S165010, C106S819000, C106S823000, C156S039000, C428S703000

Reexamination Certificate

active

11199013

ABSTRACT:
In at least one embodiment, the present invention relates to a gypsum composition suitable for use in the manufacture of construction materials comprising a) gypsum, b) water, and c) a water repellancy composition comprising a hydroxy-based cellulose and a siliconate.

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