Calcium sulfate hemihydrate treatment process

Details Calcium sulfate hemihydrate treatment process Calcium sulfate hemihydrate treatment process

2007-12-17

2010-11-02

Wood, Elizabeth D (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C423S555000

Reexamination Certificate

active

07824490

ABSTRACT:
A process for treating beta calcium sulfate hemihydrate is disclosed. The process comprises exposing beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure.

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