Inventor · disambiguated record

Frederick S. Przystal

Also filed as: PRZYSTAL FREDERICK S

2 granted patents·29 citations·filing 1977–1993

61Inventor score

Technology areasC01B C10G

Files withCANADIAN IND1 CHEMETICS INT1

Top patents by PatentIndex Score

2 records

0155US5324499AFluoride removal from sulphuric acidCHEMETICS INT·Filed 1993·Granted Jun 28, 1994·20 cites·14 claims
0244US4124492AProcess for the reclamation of waste hydrocarbon oilsCANADIAN IND·Filed 1977·Granted Nov 7, 1978·9 cites·5 claims

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