Inventor · disambiguated record
Sigismond Franckowiak
Also filed as: FRANCKOWIAK SIGISMOND
20 granted patents·572 citations·filing 1975–1993
96Inventor score
Top patents by PatentIndex Score
20 records- 0199US4088736AProcess for purifying a gas containing hydrogen sulfide and contact masses usable thereforINST FRANCAIS DU PETROLE·Filed 1975·Granted May 9, 1978·131 cites·15 claims
- 0296US4609456AProcess for converting heavy petroleum residues to hydrogen and gaseous distillable hydrocarbonsINST FRANCAIS DU PETROLE·Filed 1985·Granted Sep 2, 1986·115 cites·13 claims
- 0389US4251495AProcess for purifying a hydrogen sulfide containing gasINST FRANCAIS DU PETROLE·Filed 1979·Granted Feb 17, 1981·32 cites·11 claims
- 0487US4220634AProcess for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammoniaINST FRANCAIS DU PETROLE·Filed 1979·Granted Sep 2, 1980·28 cites·8 claims
- 0586US5021143AProcess of fractionation and extraction of hydrocarbons allowing obtaining a cut of increased octane index and a kerosene of improved smoke pointINST FRANCAIS DU PETROLE·Filed 1989·Granted Jun 4, 1991·36 cites·13 claims
- 0683US4310497AProcess for purifying a hydrogen sulfide containing gasINST FRANCAIS DU PETROLE·Filed 1981·Granted Jan 12, 1982·28 cites·10 claims
- 0778US4163043AProcess for removing H2 S and CO2 from gases and regenerating the adsorbing solutionINST FRANCAIS DU PETROLE·Filed 1978·Granted Jul 31, 1979·31 cites·10 claims
- 0878US4044114AProcess for purifying a gas containing sulfur compoundsINST FRANCAIS DU PETROLE·Filed 1975·Granted Aug 23, 1977·32 cites·7 claims
- 0975US4421725AProcess for purifying a gas containing hydrogen sulfide and carbon dioxide and apparatus thereforINST FRANCAIS DU PETROLE·Filed 1981·Granted Dec 20, 1983·31 cites·7 claims
- 1074US4756821AMethod for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalystINST FRANCAIS DU PETROLE·Filed 1987·Granted Jul 12, 1988·33 cites·9 claims
- 1164US4048293AProcess for purifying a sulfur dioxide containing gasINST FRANCAIS DU PETROLE·Filed 1976·Granted Sep 13, 1977·12 cites·17 claims
- 1259US5186909AReaction chamber comprising a calender reactor and means for bedding the flow of a heat-carrying fluidINST FRANCAIS DU PETROLE·Filed 1991·Granted Feb 16, 1993·21 cites·15 claims
- 1345US4405442AProcess for converting heavy oils or petroleum residues to gaseous and distillable hydrocarbonsINST FRANCAIS DU PETROLE·Filed 1982·Granted Sep 20, 1983·9 cites·7 claims
- 1444US4855117AProcess for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfurINST FRANCAIS DU PETROLE·Filed 1988·Granted Aug 8, 1989·10 cites·14 claims
- 1540US5498326AProcess for and apparatus for catalytic cracking in two successive reaction zonesINST FRANCATS DU PETROLE·Filed 1993·Granted Mar 12, 1996·9 cites·19 claims
- 1639US4164543AProcess for regenerating brines containing sodium sulfites and sulfatesINST FRANCAIS DU PETROLE·Filed 1977·Granted Aug 14, 1979·6 cites·12 claims
- 1737US4180550AProcess for purifying a sulfur dioxide containing gas by washing with an ammonia aqueous solutionINST FRANCAIS DU PETROLE·Filed 1977·Granted Dec 25, 1979·3 cites·14 claims
- 1835US4519895AProcess for converting a carbonaceous material to lower paraffinic hydrocarbons and monocyclic aromatic hydrocarbonsINST FRANCAIS DU PETROLE·Filed 1982·Granted May 28, 1985·3 cites·15 claims
- 1931US4146579AProcess for converting sulfitic solutions by means of ammonium bisulfate with SO2 productionINST FRANCAIS DU PETROLE·Filed 1977·Granted Mar 27, 1979·1 cites·8 claims
- 2029US4781903AProcess for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfurINST FRANCAIS DU PETROLE·Filed 1986·Granted Nov 1, 1988·1 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →