Inventor · disambiguated record
Philippe Engelhard
Also filed as: ENGELHARD PHILIPPE · LEGENDRE MICHEL · MULLER ALAIN · WEISANG JOSEPH E
20 granted patents·261 citations·filing 1974–1983
95Inventor score
Top patents by PatentIndex Score
20 records- 0190US4024077ACatalysts for the isomerization of hydrocarbons, and process for the preparation of said catalystsRAFFINAGE CIE FRANCAISE·Filed 1975·Granted May 17, 1977·28 cites·25 claims
- 0287US4152246ACatalyzed processes for the hydrotreatment of hydrocarbonsRAFFINAGE CIE FRANCAISE·Filed 1977·Granted May 1, 1979·20 cites·62 claims
- 0387US4039477ACatalysts for the hydrotreatment of hydrocarbons and their utilizationRAFFINAGE CIE FRANCAISE·Filed 1975·Granted Aug 2, 1977·34 cites·36 claims
- 0481US4200623AProcess for the preparation of a hydrogen reserveRAFFINAGE CIE FRANCAISE·Filed 1978·Granted Apr 29, 1980·35 cites·9 claims
- 0577US4159257ACatalysts for hydrotreatment of hydrocarbons including methods of preparing and using samePETROLES CIE FRANCAISE·Filed 1977·Granted Jun 26, 1979·12 cites·22 claims
- 0676US4283585AHydrocarbon isomerization catalysts and procedures for the preparation and use thereofRAFFINAGE CIE FRANCAISE·Filed 1980·Granted Aug 11, 1981·13 cites·8 claims
- 0774US4201696AHydrocarbon isomerization catalysts and procedures for the preparation thereofRAFFINAGE CIE FRANCAISE·Filed 1978·Granted May 6, 1980·10 cites·33 claims
- 0873US4200624ACombined hydrogen storage and production processRAFFINAGE CIE FRANCAISE·Filed 1978·Granted Apr 29, 1980·26 cites·10 claims
- 0969US4329258ACatalysts for the hydrotreatment of hydrocarbons and use thereof in the reforming and isomerization of hydrocarbons in the presence of hydrogenRAFFINAGE CIE FRANCAISE·Filed 1980·Granted May 11, 1982·18 cites·12 claims
- 1067US4520225AProcess for the pretreatment of light olefin fractionsRAFFINAGE CIE FRANCAISE·Filed 1983·Granted May 28, 1985·8 cites·20 claims
- 1164US4227993ACatalysts for the hydrotreatment of hydrocarbons and their utilizationRAFFINAGE CIE FRANCAISE·Filed 1979·Granted Oct 14, 1980·13 cites·12 claims
- 1263US4363721AMethod of using catalysts for reforming or isomerizing hydrocarbons in the presence of hydrogenRAFFINAGE CIE FRANCAISE·Filed 1981·Granted Dec 14, 1982·13 cites·24 claims
- 1353US4479023AProcess for the oligomerization of light olefin fractions in the presence of a boron trifluoride catalystRAFFINAGE CIE FRANCAISE·Filed 1983·Granted Oct 23, 1984·4 cites·20 claims
- 1451US4116870ACatalysts for the hydrotreatment of hydrocarbons and processes for the utilization of said catalystsRAFFINAGE CIE FRANCAISE·Filed 1976·Granted Sep 26, 1978·3 cites·24 claims
- 1541US3974097ACatalysts for the hydro-treatment of hydrocarbons and process of preparing such catalystsRAFFINAGE CIE FRANCAISE·Filed 1974·Granted Aug 10, 1976·6 cites·7 claims
- 1640US4459205ACatalyst for the oxidation of mercaptans to disulfides, process for the preparation thereof, and its use in the sweetening of petroleum distillatesRAFFINAGE CIE FRANCAISE·Filed 1983·Granted Jul 10, 1984·4 cites·18 claims
- 1737US4466906ACatalyst for the oxidation of mercaptans to disulfides, process for the preparation thereof, and its use in the sweetening of petroleum distillatesRAFFINAGE CIE FRANCAISE·Filed 1983·Granted Aug 21, 1984·3 cites·12 claims
- 1835US4213849AMethod of using catalysts for reforming or isomerizing hydrocarbonsRAFFINAGE CIE FRANCAISE·Filed 1979·Granted Jul 22, 1980·4 cites·40 claims
- 1935US4111841ACatalysts for the hydrotreatment of hydrocarbons and a process for preparation and application of said catalystsRAFFINAGE CIE FRANCAISE·Filed 1975·Granted Sep 5, 1978·3 cites·25 claims
- 2035US4071437ACatalysts for the hydrotreatment of hydrocarbons and a process for the preparation and utilization thereofRAFFINAGE CIE FRANCAISE·Filed 1975·Granted Jan 31, 1978·4 cites·47 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →