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IFP Energies nouvelles

IFP Energi
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Total Holdings
30

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
FR2554571A1 METHOD FOR THERMAL EXCHANGE BETWEEN A HOT FLUID AND A COLD … Expired / Lapsed 1983-11-04 — 0 Details
GB2063003A Methods of remotely sensing the state of a body of water an… Expired / Lapsed 1980-11-07 — 7 Details
DE1910127A1 Process for the conversion of hydrogen sulfide and sulfur d… Expired / Lapsed 1969-02-28 — 0 Details
US6054409A Selective hydrogenation catalyst and a process using that c… Expired / Lapsed 1996-12-20 2000-04-25 28 Details
US5965481A Process for preparing a catalyst suitable for the treatment… Expired / Lapsed 1994-08-16 1999-10-12 30 Details
US5364998A Process for the selective hydrogenation of hydrocarbons Expired / Lapsed 1993-04-02 1994-11-15 22 Details
EP0352148B1 Device and method for performing measurements or interventi… Expired / Lapsed 1989-05-16 1992-07-15 15 Details
US5086842A Device and installation for the cleaning of drains, particu… Expired / Lapsed 1990-09-07 1992-02-11 16 Details
US4903735A Pipe usable particularly for transporting fluids and allowi… Expired / Lapsed 1986-06-06 1990-02-27 20 Details
US4740633A Process for hydrogenating olefins in the presence of ethers Expired / Lapsed 1986-07-15 1988-04-26 10 Details
US4640908A Catalyst for the oxidation of hydrogen sulfide and process … Expired / Lapsed 1985-09-23 1987-02-03 26 Details
US4625744A Process and device for performing a series of hydrodynamic … Expired / Lapsed 1983-10-11 1986-12-02 19 Details
US4594968A Process and device for determining the composition of an al… Expired / Lapsed 1984-03-05 1986-06-17 16 Details
US4533779A Supported palladium-gold catalyst, its manufacture and use … Expired / Lapsed 1984-11-20 1985-08-06 22 Details
US4153415A Method for determining oil-related characteristics of geolo… Expired / Lapsed 1977-01-19 1979-05-08 11 Details
US4080490A Metal-containing polymers, their manufacture and use Expired / Lapsed 1976-02-11 1978-03-21 39 Details
US3883841A Localized method and device for the precise determination o… Expired / Lapsed 1973-02-22 1975-05-13 26 Details
US3798474A Pressure wave piezoelectric sensor of continuous structure Expired / Lapsed 1972-07-05 1974-03-19 14 Details
US3791898A Windable flexible shaft capable of withstanding high tracti… Expired / Lapsed 1970-10-06 1974-02-12 13 Details
US3787332A Carbon monoxide conversion catalysts Expired / Lapsed 1970-07-21 1974-01-22 29 Details
US3674888A Process for selectively hydrogenating unsaturated hydrocarb… Expired / Lapsed 1970-12-08 1972-07-04 6 Details
US3650068A Process for growing algae Expired / Lapsed 1969-06-26 1972-03-21 8 Details
US3491842A Apparatus for underwater drilling and coring loose sediments Expired / Lapsed 1968-05-06 1970-01-27 0 Details
US3468057A Process for the culture of algae and apparatus therefor Expired / Lapsed 1967-05-10 1969-09-23 0 Details
US3421138A Sea navigational system for locating a floating installatio… Expired / Lapsed 1966-11-01 1969-01-07 0 Details
US3403471A Method of culturing algae in an artificial medium Expired / Lapsed 1966-02-18 1968-10-01 0 Details
US3311079A Steering system for dynamically positioning a vessel Expired / Lapsed 1965-07-22 1967-03-28 2 Details
FR1458061A Process for cultivating algae in a synthetic medium Expired / Lapsed 1963-08-16 1966-03-04 0 Details
US3133231A Control device for time-spaced seismic shots Expired / Lapsed 1961-12-01 1964-05-12 2 Details
FR1330130A Surface device for maneuvering the sounding train in the ca… Expired / Lapsed 1961-01-30 1963-06-21 0 Details