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Inventor

ASTLEY VIVIAN C

US9 patents
⚠️ This page may combine multiple inventors who share the name “ASTLEY VIVIAN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FREEPORT RES & ENG

3 patents
US4915705AApr 10, 1990

Production of silica and fluorine-containing coproducts from fluosilicic acid

FREEPORT RES & ENG28 citations90
US4657559AApr 14, 1987

Process for seed crystal preparation for phosphoric acid crystallization

FREEPORT RES & ENG13 citations70
US4655789AApr 7, 1987

Phosphoric acid crystallization process

FREEPORT RES & ENG6 citations60

FREEPORT MINERALS CO

3 patents
US4710366ADec 1, 1987

Method for producing stabilized wet process phosphoric acid with low content of magnesium and aluminum

FREEPORT MINERALS CO12 citations71
US4487750ADec 11, 1984

Stabilization of wet process phosphoric acid

FREEPORT MINERALS CO11 citations71
US4577804AMar 25, 1986

Wet grinding phosphate rock in an acidic slurry

FREEPORT MINERALS CO15 citations67

FREEPORT MCMORAN RESOURCE

2 patents
US5114699AMay 19, 1992

Spent alkylation acid treatment process

FREEPORT MCMORAN RESOURCE8 citations72
US5096571AMar 17, 1992

Recovery of sulfur from native ores

FREEPORT MCMORAN RESOURCE9 citations69

FREEPORT RESEARCH AND DEV COMP

1 patent
US4655790AApr 7, 1987

Phosphoric acid crystallization process

FREEPORT RESEARCH AND DEV COMP6 citations56