Expired patents of Institut Francais du Petrole, page 1

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Expired patents of:
Institut Francais du Petrole

Displaying 1 to 50 of 192 patents. (Retrieval took 2.548 seconds.)

	Patent Title	Expired:
1.	Passivation method for metallic articles of nickel and iron-based superalloy	2007-02-25
2.	Catalyst comprising beta zeolite and promoter element for hydrocracking	2007-02-25
3.	Exhaust manifold with catalytic wall for internal-combustion engines	2007-02-07
4.	Fuel composition in the form of an emulsion derived from heterogeneous greasy waste and method for making same	2007-01-07
5.	Process for cracking ammonia present in a gas containing hydrogen sulphide	2006-12-29
6.	Colloidal products, their preparation and their uses	2006-12-29
7.	Purifying device for hydrogen comprising a base made of an alloy of the same composition as that of the tubes	2006-12-27
8.	Fluid sampling device comprising a thermal control valve	2006-12-17
9.	Internal-combustion engine having a specific-purpose pressure storage tank	2006-11-24
10.	Process for cracking and transhydrogenation of hydrocarbon feedstock	2006-11-17
11.	Hydrophone and process for manufacturing it	2006-11-17
12.	Device and method for evaluating the ability of a body containing a product to expel the product from the body	2006-11-15
13.	Pneumatic-injection two-stroke engine with first order balancing of the reciprocating masses	2006-11-15
14.	Process for the selective hydrogenation of hydrocarbons	2006-11-15
15.	Process for the thermal conversion of methane and a reactor for carrying out the process	2006-11-15
16.	Reactor for carrying out a succession of heterogeneous catalysis and thermal reactions	2006-11-08
17.	Stationary system for the active and/or passive monitoring of an underground deposit	2006-11-08
18.	Method of manufacturing a hollow structure for storing pressurized fluids	2006-11-03
19.	Bi-turbojets polyphasic pump with axial thrust cancellation	2006-10-27
20.	Steam cracking installation with means for protection against erosion	2006-10-15
21.	Leak rate control process and application of the process to the measurement of the proportion of gas in a liquid	2006-10-06
22.	Method and device for production logging in a gushing well	2006-10-04
23.	Process and device for favoring fuel vaporization in an internal-combustion engine	2006-10-04
24.	Two-stroke engine with improved injection device and associated injection process	2006-09-22
25.	Method of production of improved purity light alpha olefines by ogliomerisation of ethylene	2006-09-22
26.	Paraffin alkylation process	2006-09-22
27.	Device for carrying out measuring and servicing operations in a well bore, comprising tubing having a rod centered therein, process for assembling the device and use of the device in an oil well	2006-09-20
28.	high-speed fluid mixing device	2006-09-15
29.	Downflow fluid catalytic cracking process and apparatus	2006-09-06
30.	Catalysts selective for the reduction of nitrogen oxides to nitrogen in an oxidizing medium, a process for their preparation and their use	2006-09-01
31.	Linking device for composite rods	2006-08-25
32.	MFI-type zeolite and its preparation process	2006-08-16
33.	Waste pyrolysis process and installation having a preheating unit	2006-08-11
34.	Packing block with high adsorption capacity for gaseous effluent purification device	2006-08-11
35.	Catalyst based on silica and sulphuric acid and its use for the alkylation of paraffins	2006-08-09
36.	Seismic exploration device and method of operation thereof with remote control processing of seismic signals produced by individual seismic sensors	2006-08-06
37.	Method and device for casing a well with a composite pipe	2006-08-04
38.	Process for dismutation and/or transalkylation of alyklaromatic hydrocarbons in the presence of two zeolitic catalysts	2006-08-04
39.	Detergent compositions for gasoline-type fuels that contain polytetrahydrofuran derivatives	2006-07-23
40.	Combustion gas desulfurization method	2006-07-12
41.	Two-stroke engine with air-blast fuel mixture injection	2006-07-07
42.	Process for washing solid particles comprising a sophoroside solution	2006-07-05
43.	Method for correcting ignition advance of an internal combustion	2006-07-02
44.	Use of an omega zeolite based catalyst comprising at least one metal from groups IIa, IVb, IIb or IVa for the dismutation and/or transalkylation of alkylaromatic hydrocarbons	2006-06-30
45.	Cross-linked compositions based on polyethylene and cross-linked materials derived from them	2006-06-28
46.	Adjustable flexibility anchor device with retractable arms for well tools	2006-06-23
47.	Device for testing and for analyzing a petrochemical process	2006-06-23
48.	Fluid mixture testing cell suited for detecting phase changes	2006-06-23
49.	Method and device for measuring a parameter of a fluid having variable density	2006-06-23
50.	Process for the isomerization of olefins	2006-06-14

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