Inventor · disambiguated record
Edward P. Richards
Also filed as: RICHARDS EDWARD P
2 granted patents·50 citations·filing 1989–1990
64Inventor score
Technology areasB03D
Files withLUBRIZOL CORP2
Top patents by PatentIndex Score
2 records- 0170US4879022AOre flotation process and use of mixed hydrocarbyl dithiophosphoric acids and salts thereofLUBRIZOL CORP·Filed 1989·Granted Nov 7, 1989·28 cites·34 claims
- 0257US5037533AOre flotation process and use of phosphorus containing sulfo compoundsLUBRIZOL CORP·Filed 1990·Granted Aug 6, 1991·22 cites·33 claims
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