Inventor
Sigismond Franckowiak
Inventor
Rueil Malmaison, FR
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation32%
C01BNon-metallic elements21%
C10GCracking hydrocarbon oils18%
C01CAmmonia5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry3%
C01DCompounds of alkali metals, i.e. lithium, sodium, potassium, rubidium, caesium, or francium3%
C01GCompounds containing metals not covered by subclasses c01d or c01f3%
C10KPurifying or modifying the chemical composition of combustible gases containing carbon monoxide3%
C10LFuels not otherwise provided for3%
PatentTitleYear
5,498,326'Process for and apparatus for catalytic cracking in two successive reaction zones'19965,186,909'Reaction chamber comprising a calender reactor and means for bedding the flow of a heat-carrying fluid'19935,021,143'Process of fractionation and extraction of hydrocarbons allowing obtaining a cut of increased octane index and a kerosene of improved smoke point'19914,855,117'Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur'19894,781,903'Process for removing sulfur oxides from a gas by means of an absorption mass regenerable by reaction with elemental sulfur'19884,756,821'Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst'19884,609,456'Process for converting heavy petroleum residues to hydrogen and gaseous distillable hydrocarbons'19864,519,895'Process for converting a carbonaceous material to lower paraffinic hydrocarbons and monocyclic aromatic hydrocarbons'19854,421,725'Process for purifying a gas containing hydrogen sulfide and carbon dioxide and apparatus therefor'19834,405,442'Process for converting heavy oils or petroleum residues to gaseous and distillable hydrocarbons'19834,310,497'Process for purifying a hydrogen sulfide containing gas'19824,251,495'Process for purifying a hydrogen sulfide containing gas'19814,220,634'Process for converting ammonium imidodisulfate, ammonium sulfamate and ammonium dithionate to sulfur dioxide and ammonia'19804,180,550'Process for purifying a sulfur dioxide containing gas by washing with an ammonia aqueous solution'19794,164,543'Process for regenerating brines containing sodium sulfites and sulfates'19794,163,043'Process for removing H.sub.2 S and CO.sub.2 from gases and regenerating the adsorbing solution'19794,146,579'Process for converting sulfitic solutions by means of ammonium bisulfate with SO.sub.2 production'19794,088,736'Process for purifying a gas containing hydrogen sulfide and contact masses usable therefor'19784,048,293'Process for purifying a sulfur dioxide containing gas'19774,044,114'Process for purifying a gas containing sulfur compounds'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1993Patents assigned to INST FRANCAIS DU PETROLE (19)· patent assignee history
1977–1993Based in Rueil Malmaison, FR· patent location history
1988Patents assigned to COMMISSARIAT ENERGIE ATOMIQUE (1)· patent assignee history
1996Patents assigned to INST FRANCATS DU PETROLE (1)· patent assignee history
1996Based in Vienne, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| INST FRANCAIS DU PETROLE | 19 | 1977–1993 |
| COMMISSARIAT ENERGIE ATOMIQUE | 1 | 1988 |
| INST FRANCATS DU PETROLE | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Rueil Malmaison, FR | 19 | 1977–1993 |
| Vienne, FR | 1 | 1996 |