Dihydrate-anhydrite or hemihydrate-anhydrite process

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for preparing phosphoric acid and calcium sulphate
- Patent number 4,777,027
- Issue date Oct 11, 1988
- Prayon Developpment, Societe Anonyme
- Armand L. Davister
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for solidifying waste slime suspensions
- Patent number 4,457,781
- Issue date Jul 3, 1984
- United States Gypsum Company
- Jay W. Palmer
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for reducing radioactive contamination in phosphogypsum
- Patent number 4,388,292
- Issue date Jun 14, 1983
- United States Gypsum Company
- Jay W. Palmer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of phosphoric acid and calcium sulphate...
- Patent number 4,362,705
- Issue date Dec 7, 1982
- Stamicarbon, B.V.
- Cornelis A. M. Weterings
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2885263
- Patent number 2,885,263
- Issue date May 5, 1959
- C01 - INORGANIC CHEMISTRY