Inventor · disambiguated record
Edward A. Knaggs
Also filed as: KNAGGS EDWARD A · NUSSBAUM MARVIN L
4 granted patents·175 citations·filing 1976–1980
80Inventor score
Top patents by PatentIndex Score
4 records- 0192US4148821AProcess for sulfonationSTEPAN CHEMICAL CO·Filed 1976·Granted Apr 10, 1979·91 cites·43 claims
- 0291US4390474ASulfonation petroleum compositionSTEPAN CHEMICAL CO·Filed 1980·Granted Jun 28, 1983·47 cites·42 claims
- 0375US4177207APetroleum sulfonatesSTEPAN CHEMICAL CO THE·Filed 1978·Granted Dec 4, 1979·15 cites·50 claims
- 0465US4252192AProcess for enhanced oil recovery employing petroleum sulfonatesSTEPAN CHEMICAL CO·Filed 1979·Granted Feb 24, 1981·22 cites·47 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →