other waste Ca-sulfate

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of cement kiln dust through precipitation of calcium sulfa...
- Patent number 6,613,141
- Issue date Sep 2, 2003
- Jerry F. Key
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Converting fluorgyp to calcium sulfate
- Patent number 6,517,790
- Issue date Feb 11, 2003
- Alcoa Inc.
- Dennis J. Eisele
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for recycling gypsum-based waste material into readily crus...
- Patent number 6,471,767
- Issue date Oct 29, 2002
- American International Materials, Ltd.
- Jeffrey J. Konczak
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
3061450
- Patent number 3,061,450
- Issue date Oct 30, 1962
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES