Inventor

RICHARDS EDWARD P

US2 patents

Patents

2 patents

US4879022ANov 7, 1989

Ore flotation process and use of mixed hydrocarbyl dithiophosphoric acids and salts thereof

LUBRIZOL CORP28 citations89

US5037533AAug 6, 1991

Ore flotation process and use of phosphorus containing sulfo compounds

LUBRIZOL CORP22 citations88