Silvio J. Spigolon

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Memphis, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Phospho-gypsum recovery process
- Patent number 4,734,272
- Issue date Mar 29, 1988
- Eddie K. Wilson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for treating phospho-gypsum waste product from wet-acid pro...
- Patent number 4,608,238
- Issue date Aug 26, 1986
- Eddie K. Wilson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for treating phospho-gypsum waste product from wet-acid pro...
- Patent number 4,415,543
- Issue date Nov 15, 1983
- Eddie K. Wilson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process of manufacture of phosphoric acid with recovery of co-products
- Patent number 4,312,842
- Issue date Jan 26, 1982
- Eddie K. Wilson
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES