Inventor · disambiguated record

Francis John Walczak

Also filed as: WALCZAK FRANCIS J · WALCZAK FRANCIS JOHN

4 granted patents·138 citations·filing 1994–2002

80Inventor score

Technology areasC07C

Files withDU PONT4

Top patents by PatentIndex Score

4 records

0194US6329559B1Processes for the production of hexafluoropropene and optionally other halogenated hydrocarbons containing fluorineDU PONT·Filed 1999·Granted Dec 11, 2001·79 cites·20 claims
0285US6388147B1Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HFDU PONT·Filed 1995·Granted May 14, 2002·27 cites·4 claims
0383US5563304AProduction of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HFDU PONT·Filed 1994·Granted Oct 8, 1996·20 cites·2 claims
0482US6472574B2Production of 1,2-dihydro and 2,2-dihydro hexafluoropropanes and azeotropes thereof with HFDU PONT·Filed 2002·Granted Oct 29, 2002·12 cites·6 claims

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