Inventor · disambiguated record
Francois Friedmann
Also filed as: FRIEDMANN FRANCOIS
3 granted patents·74 citations·filing 1989–1997
74Inventor score
Top patents by PatentIndex Score
3 records- 0169US5005644ASteam enhanced oil recovery method using branched alkyl aromatic sulfonatesCHEVRON RES·Filed 1989·Granted Apr 9, 1991·22 cites·34 claims
- 0256US5042583ASteam foam drive method for enhanced oil recoveryCHEVRON RES & TECH·Filed 1990·Granted Aug 27, 1991·33 cites·13 claims
- 0354US6268314B1Foamable gel compositionSCHLUMBERGER TECHNOLOGY CORP·Filed 1997·Granted Jul 31, 2001·19 cites·36 claims
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