Inventor · disambiguated record
Vivian C. Astley
Also filed as: ASTLEY VIVIAN C
9 granted patents·108 citations·filing 1983–1989
89Inventor score
Files withFREEPORT MINERALS CO3FREEPORT RES & ENG3FREEPORT MCMORAN RESOURCE2FREEPORT RESEARCH AND DEV COMP1
Top patents by PatentIndex Score
9 records- 0176US4915705AProduction of silica and fluorine-containing coproducts from fluosilicic acidFREEPORT RES & ENG·Filed 1988·Granted Apr 10, 1990·28 cites·26 claims
- 0261US4577804AWet grinding phosphate rock in an acidic slurryFREEPORT MINERALS CO·Filed 1984·Granted Mar 25, 1986·15 cites·16 claims
- 0356US4710366AMethod for producing stabilized wet process phosphoric acid with low content of magnesium and aluminumFREEPORT MINERALS CO·Filed 1986·Granted Dec 1, 1987·12 cites·20 claims
- 0456US4657559AProcess for seed crystal preparation for phosphoric acid crystallizationFREEPORT RES & ENG·Filed 1985·Granted Apr 14, 1987·13 cites·5 claims
- 0556US4487750AStabilization of wet process phosphoric acidFREEPORT MINERALS CO·Filed 1983·Granted Dec 11, 1984·11 cites·11 claims
- 0649US5114699ASpent alkylation acid treatment processFREEPORT MCMORAN RESOURCE·Filed 1989·Granted May 19, 1992·8 cites·51 claims
- 0741US4655789APhosphoric acid crystallization processFREEPORT RES & ENG·Filed 1985·Granted Apr 7, 1987·6 cites·15 claims
- 0840US5096571ARecovery of sulfur from native oresFREEPORT MCMORAN RESOURCE·Filed 1989·Granted Mar 17, 1992·9 cites·31 claims
- 0938US4655790APhosphoric acid crystallization processFREEPORT RESEARCH AND DEV COMP·Filed 1985·Granted Apr 7, 1987·6 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →