Inventor · disambiguated record
Francisco Jose Freire
Also filed as: FREIRE FRANCISCO J · FREIRE FRANCISCO JOSE
7 granted patents·102 citations·filing 1990–1997
86Inventor score
Files withDU PONT7
Top patents by PatentIndex Score
7 records- 0167US5891318AProduction of ethylene dichloride by direct chlorination and production of vinyl chloride monomer using chlorine recycle and apparatusDU PONT·Filed 1996·Granted Apr 6, 1999·23 cites·17 claims
- 0261US6010612AProduction of isocyanate using chlorine recycleDU PONT·Filed 1997·Granted Jan 4, 2000·33 cites·10 claims
- 0356US6001226AElectrochemical cell having split fluid and current feedDU PONT·Filed 1997·Granted Dec 14, 1999·13 cites·10 claims
- 0447US5976346AMembrane hydration in electrochemical conversion of anhydrous hydrogen halide to halogen gasDU PONT·Filed 1997·Granted Nov 2, 1999·9 cites·67 claims
- 0546US5100639AProcess for purifying hydrogen fluorideDU PONT·Filed 1991·Granted Mar 31, 1992·9 cites·20 claims
- 0642US5108559AProcess for purifying hydrogen fluorideDU PONT·Filed 1990·Granted Apr 28, 1992·8 cites·11 claims
- 0741US5891319AMethod for and apparatus production of carbonyl halideDU PONT·Filed 1996·Granted Apr 6, 1999·7 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →