Inventor · disambiguated record
Elzie D. Black
Also filed as: BLACK ELZIE D
3 granted patents·43 citations·filing 1989–1990
71Inventor score
Files withTEXACO INC3
Top patents by PatentIndex Score
3 records- 0177US4973411AProcess for the preparation of sulfurized overbased phenate detergentsTEXACO INC·Filed 1989·Granted Nov 27, 1990·25 cites·24 claims
- 0247US5132033AMethod of preparing overbased calcium sulfonatesTEXACO INC·Filed 1990·Granted Jul 21, 1992·10 cites·11 claims
- 0345US5108630AProcess for overbasing sulfonates comprising two separate additions of calcium oxideTEXACO INC·Filed 1990·Granted Apr 28, 1992·8 cites·2 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →