Inventor · disambiguated record

Edward L. Derrenbacker

Also filed as: DERRENBACKER EDWARD L

2 granted patents·21 citations·filing 1981–1981

59Inventor score

Technology areasC07C

Files withMALLINCKRODT INC2

Top patents by PatentIndex Score

2 records

0172US4307249AProcess for the selective preparation of p-aminophenol from nitrobenzeneMALLINCKRODT INC·Filed 1981·Granted Dec 22, 1981·14 cites·10 claims
0257US4440954AProcess for the purification of p-aminophenolMALLINCKRODT INC·Filed 1981·Granted Apr 3, 1984·7 cites·33 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →