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US 8,282,731 B2Granted
Calcium sulfate hemihydrate treatment process
AssigneeThe Nugyp Corp.
InventorsRobert Byron Bruce, Mark Richard Flumiani, Charles E. Blow
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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.
Claims23
A process for treating beta calcium sulfate hemihydrate comprising:
- a. providing powdered beta calcium sulfate hemihydrate to a pressure chamber;
- b. within the pressure chamber, exposing the beta calcium sulfate hemihydrate to steam at a pressure above atmospheric pressure;
- and
- c. removing the treated product from the pressure chamber.
1 more element
Dependencies are inferred from the claim text.