Inventor · disambiguated record
Giancarlo Stefani
Also filed as: FONTANA PIETRO · STEFANI GIANCARLO
14 granted patents·173 citations·filing 1976–1997
93Inventor score
Top patents by PatentIndex Score
14 records- 0188US4100106AProcess for the production of a mixed-oxide oxidation catalyst containing vanadium and pentavalent phosphorusLONZA AG·Filed 1976·Granted Jul 11, 1978·23 cites·18 claims
- 0285US4489204ACatalyst for the preparation of phthalic anhydrideALUSUISSE ITALIA SPA·Filed 1982·Granted Dec 18, 1984·21 cites·3 claims
- 0383US4405505ACatalyst for the preparation of phthalic anhydrideALUSUISSE ITALIA SPA·Filed 1981·Granted Sep 20, 1983·19 cites·3 claims
- 0476US4085122AProduction of maleic anhydride using a mixed-oxide oxidation catalyst containing vanadium and pentavalent phosphorusLONZA AG·Filed 1976·Granted Apr 18, 1978·11 cites·14 claims
- 0570US4594433AProduction of maleic anhydrideLUMMUS CREST INC·Filed 1984·Granted Jun 10, 1986·9 cites·19 claims
- 0668US5250724AProcess for the preparation of trimellitic acidALUSUISSE ITALIA SPA·Filed 1992·Granted Oct 5, 1993·10 cites·15 claims
- 0767US4668652ACatalyst for oxidation reactions and process for its productionALUSUISSE ITALIA SPA·Filed 1985·Granted May 26, 1987·19 cites·30 claims
- 0864US4511670ACatalysts containing mixed oxides of vanadium, phosphorus, and aluminum and/or boronLUMMUS CO·Filed 1983·Granted Apr 16, 1985·5 cites·23 claims
- 0961US4178298AProcess for preparing maleic anhydrideLONZA AG·Filed 1977·Granted Dec 11, 1979·14 cites·12 claims
- 1058US4654425AProcess for making maleic anhydrideLUMMUS CO·Filed 1984·Granted Mar 31, 1987·5 cites·19 claims
- 1155US4510258ACatalysts containing mixed oxides of vanadium and phosphorusLUMMUS CO·Filed 1983·Granted Apr 9, 1985·4 cites·21 claims
- 1255US4181628ACatalyst for oxidation reactions and process for its productionLONZA AG·Filed 1977·Granted Jan 1, 1980·10 cites·45 claims
- 1350US5847163AProcess for the transformation of a vanadium/phosphorus mixed oxide catalyst precursor into the active catalyst for the production of maleic anhydrideLONZA SPA·Filed 1997·Granted Dec 8, 1998·14 cites·24 claims
- 1449US4713464AProcess for production of maleic anhydrideALUSUISSE ITALIA SPA·Filed 1986·Granted Dec 15, 1987·9 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →