Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
  • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
  • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
  • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
  • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct heating
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2201/00—Pretreatment
  • F23G2201/30—Pyrolysing
  • F23G2201/303—Burning pyrogases
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2201/00—Pretreatment
  • F23G2201/40—Gasification
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2202/00—Combustion
  • F23G2202/20—Combustion to temperatures melting waste
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2204/00—Supplementary heating arrangements
  • F23G2204/10—Supplementary heating arrangements using auxiliary fuel
  • F23G2204/101—Supplementary heating arrangements using auxiliary fuel solid fuel
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G2209/00—Specific waste
  • F23G2209/28—Plastics or rubber like materials
  • F23G2209/281—Tyres

Definitions

• the present invention relates to a system for thermally recycling waste, for example whole non-recyclable used tires (PUNR) and fractionated and similar waste. It also relates to the process implemented in this system. Very often, the waste that we seek to recycle thermally has an overall volume much greater than the actual volume of the materials that constitute it.
• PUNR whole non-recyclable used tires
• fractionated and similar PUNR waste such as rubber-based production waste
• the main difficulty in eliminating whole tires essentially lies in the disproportion between the volume of the product and the actual volume of the material which constitutes it.
• the current principle consists in shredding non-recyclable used tires and / or shredding them to approach the actual volume of the material to be eliminated.
• the aim of the present invention is to propose a thermal recycling system for waste, taking into account the need to reduce the volume of this waste.
• the principle of the invention consists in implementing high temperatures and very high thermal capacities, in order to very quickly reduce the volume of used non-recyclable waste.
• the thermal capacity (quantity of heat) at very high temperatures sublimates the gasifiable parts of used tires.
• the volume of used tires is reduced almost instantly. For this, the supply of energy must be of two types:
• the energy supplied must have the required capacities: the energy must approach used tires from all sides with the same thermal capacities, to ensure rapid reduction of the tires; the temperature of the process must allow the rapid melting of the metallic reinforcements of the used tires, to avoid any risk of clogging and / or arching of the reactive zone. During this process the temperature should not decrease.
• the process must guarantee complete and instantaneous combustion of gases and non-gasifiable matter. It is therefore necessary to provide a primary thermal source, knowing that a source produced by fossil fuel or electricity will negate the interest of the process.
• a system for thermally recycling waste comprising: - means for supplying, in a first thermopyrolysis column, primary energy by combustion of a solid fuel, so as to produce a first thermal base and produce combustible gases; - nozzle means for introducing these combustible gases into a second column of instantaneous combustion and rapid reduction and igniting it by injection of oxygen; means for supplying, in said second column, primary energy by combustion of a solid fuel, so as to produce a second thermal base constituting means of purification and molecular cracking;
• the first thermo-pyrolysis column is in an upward flow and the first thermal base is contained by a first grid and consists of solid fuels introduced via a first solid fuel supply chute.
• the system according to the invention can also advantageously comprise a first collection zone communicating via a first outlet with first ashtray means, and the flow of combustible gas is maintained in forced ascending in the first zone by a vacuum system.
• the second column known as the rapid reduction and combustion of co-combustible materials, is preferably of reverse and downward flow, and the second thermal base is contained by a second grid and is ' made up of solid fuels introduced via a second feed chute. solid fuel supply.
• thermo-pyrolysis column In this so-called reducing column, the combustion of the thermopyrolysis gases from the first column is carried out.
• the materials introduced into this column undergo the thermal effects originating from the combustion of the gases in the upper part and from the second thermal base contained by the second grid. Caught between these two intense heat production, the materials are reduced almost instantly.
• the system according to the invention can also comprise a second collection and post-combustion zone arranged under the second grate and communicating on the one hand with the means heat exchange via a first exhaust outlet and secondly with second ashtray means.
• the first thermo-pyrolysis column further comprises substantially inclined tabular grids.
• the first thermo-pyrolysis column further comprises a first additional chute for introducing used tires or other waste so that they fall on the first thermal base, this first additional chute being disposed above the first solid fuel supply chute.
• the first two zones of the invention are identical and receive waste, for example whole tires.
• the thermolysis / pyrolysis column is then configured identically to the second zone. The waste is introduced onto the solid fuel bed where it undergoes the combined effects of fusion / combustion / pyrolysis.
• the first thermo-pyrolysis column further comprises a second additional chute for introducing co-combustible waste, said second additional chute being disposed above the first additional chute.
• the chute (s) for supplying solid fuel and / or for introducing waste is (or are) provided with means for injecting carbon dioxide C0 2 , to maintain them in overpressure and airtight, and the nozzle means open out through a bottom of substantially parabolic shape of the combustion chamber.
• a method for thermally recycling waste implemented in the thermal recycling system according to any one of the preceding claims, this method comprising: - a supply, in a first column thermo-pyrolysis, of primary energy by combustion of a solid fuel, so as to produce a first thermal base and produce combustible gases;
• the recycling system according to the invention is composed of two distinct and communicating zones.
• a first zone provides the primary energy source.
• the invention exploits the energy produced by the combustion of waste. It can be organic waste (animal meal, sludge from sewage treatment plants, etc.), ordinary and / or special industrial waste, but it can also be used tires.
• the thermal recycling process according to the invention realizes the entire thermal potential of this waste thanks to an integrated thermal base which also contributes to the energy benefit of the system.
• This first zone is in upward flow, the general system being maintained in depression by a mechanical process.
• the thermal base is contained by a grid and is made up of solid fuels: wood energy in its various forms of presentation (logs, chips / shavings, reconstituted sticks, pellets, etc.), treated, polluted, industrial end-of-life wood (railway sleepers, electric poles, expired pallets, waste wood, etc.), Coal. Combustible waste (Solids, liquids, pasty, powdery ”) is burned on this thermal basis, achieving 100% of their energy potential and will be reduced to combustible gas. The energy produced and this combustible gas make up a very highly energetic gas assembly.
• This gaseous assembly containing a large quantity of combustible gas, enters the second zone through a nozzle where an injection of oxygen combusting it ignites.
• the second zone of the thermal recycling system according to the invention is with reverse flow, downflow, forced by the vacuum system.
• a second thermal base is contained by a grid. It consists of solid fuels.
• the solid fuel is densified biomass [Bio-D] ® which ensures the elementarization and purification of the combustion gases.
• this fuel can be the same as that of the first thermal base, the combustion gas then having to be purified by a Reducing Action Filter (FAAR).
• FAAR Reducing Action Filter
• An ashtray located below collects metallic fuses and minerals.
• the waste to be eliminated, for example used tires, is introduced on this thermal base where they will undergo the combined thermal effects: of the thermal base, in which they participate thanks to the combustion of rubber which instantly melts, sublimed gases and coals pyrolysis (non-gasifiable combustible materials contained in used tires), and in which the heat input is produced by conductivity and radiation); - the very high heat input from the nozzle located in the upper part of this zone.
• the very hot gases, coming from the first zone are burned there under oxidizing Oxygen and realize all of their thermal potential, this thermal contribution being produced by conductivity and intense radiation.
• the combined action, of these thermal effects will produce fusion / gasification / sublimation of most of the rubber that makes up used tires.
• the temperature generated at the heart of this reactor (equal to or higher than 1600 ° C) cracks the molecules.
• the gaseous assembly which follows, is charged with particles of charcoal, unburnt and at very high temperature (torn from the solid fuel which constitutes the thermal base).
• the injection of oxidizing oxygen located under the grid ignites these particles, and combustion is completed in the afterburner chamber.
• the thermal recycling process according to the invention provides the safest means guaranteeing the complete combustion of thermopyrolysis gases and non-gasifiable combustible solids.
• the process guarantees 100% realization of the combined thermal potential of used tires and thermal bases.
• the combustion gases are then drawn into the heat recovery system. At this point, the control of the Oxygen, residual in the combustion gas, is carried out continuously to ensure no trace.
• Solid fuel can, for example, include end-of-life wood waste, or treated wood polluted with chemical elements or compounds, or any other solid fuel such as coal or reconstituted wood.
• the thermal base is thus homogeneous and guarantees the impossibility of being crossed by any form of combustible material without it being completely burnt. It guarantees the homogeneity of the heat flow responsible for gasifying the materials in the thermolysis / pyrolysis column. Its temperature, 1600 ° C guarantees the fluidity of the fusions which crosses it without changing state.
• the oxidizer injected into the hearth is preferably oxygen, but it can also be atmospheric air.
• the thermal recycling system may also advantageously comprise means for hydraulically cooling the walls of the oven, its grid and the walls of the ashtray, and airtight means for supplying the hearth with solid fuel.
• the thermolysis / pyrolysis column may include tubes inclined towards the oven and thermally controlled. The inclination of the tubes is determined according to a desired flow speed and the density of the materials to be incinerated.
• the homogenization chamber is terminated by a nozzle proportional to the required flow rates, the end of which opens into the combustion chamber of the thermopyrolysis gases located in the second zone of the invention. Means are provided for varying the flow rate of the gas in the nozzle.
• the second zone comprises in its lower part, a solid fuel hearth, with reverse flow (downflow) composed of a grid receiving the solid fuel, which constitutes the reactive thermal base on which the gases and combustible materials are totally reduced.
• the average temperature of this hearth is greater than or equal to 1600 ° C.
• An airtight chute with C0 2 overpressure supplies this home with densified biomass [Bio-D].
• This chute is located in the upper part of the hearth, at the limit of the middle part.
• the feeding is continuous.
• This hearth is supplied with oxidant by O 2 injectors placed in the upper part of the solid fuel mass [Bio-D]. These injectors are oriented towards the grid, in the direction of flow, to carry out the thermal reaction of combustion and cracking / reduction of the gases.
• the upper part of the second zone includes a combustion chamber for the thermopyrolysis gases from the first zone of the invention.
• the middle part of the second zone comprises a column of rapid reduction, where the whole tires are subjected to the thermal evolution of the thermo-pyrolysis gases of the first area, which are ignited by the passage of the nozzle located above.
• An airtight chute with C0 2 overpressure allows the introduction of whole tires. This chute is configured to allow the gravity flow of the tires without them being able to block, it is adaptable for the introduction of all sizes of tires.
• an afterburner chamber receives the oxidizer injectors. Gases and solid fuel particles are reduced to native elements by the very high temperature reached, above 1800 ° C. This afterburner chamber opens onto the exhaust duct to the heat recovery zone.
• the solid fuel used in this area is necessarily densified biomass [Bio-D], if the invention is not integrated into a purification system of the Reducing Action Filter (FAAR) type.
• the solid fuel can for example include wood waste at the end of its life, or treated wood polluted with chemical elements or compounds, or any other solid fuel such as coal or reconstituted wood.
• the oxidizer injected into this hearth is oxygen 0 2 .
• the solid fuel hearth in practice comprises an ashtray placed under the grate, to receive ash and non-gasifiable heavy metals.
• the system according to the invention can also advantageously comprise means for hydraulically cooling the walls of the furnace, its grid and the walls of the ashtray, and airtight means for supplying the hearth with solid fuel.
• the heat exchange system disposed downstream of the thermal recycling system according to the invention is arranged to carry out a condensation / solidification of the elements (reduced to the native state by molecular cracking) contained in the exhaust gas from the means heat treatment, and condensation of water at low temperature and at a pressure below atmospheric pressure.
• the heat exchange system may further comprise depressant means arranged to maintain the water contained in the exhaust gas, in the dry vapor state up to its pressure-temperature condensing zone.
• depressant means arranged to maintain the water contained in the exhaust gas, in the dry vapor state up to its pressure-temperature condensing zone.
• the carbon dioxide condensing device includes the refrigeration systems defined by the Oxygene supplier.
• the rubber melts quickly on the solid fuel bed at 1600 ° C, the change of state is almost sublime.
• the sublimated part burns instantly and the heat produced participates in the pyrolysis of the residual tire.
• the high thermal release produced thermopyrolysis of whole tires which are continuously introduced into the column.
• the steel contained melts as it burns / pyrolizes and passes through the mass of solid fuel in ignition.
• the liquid steel is collected in the ashtray, provided with means known to be separated from the minerals, to be recycled.
• oxidizer preferably oxygen or super-oxygenated air
• the thermopyrolysis gases retain sufficient fuel capacity to fulfill their role in the second zone of the invention.
• the solid fuel may for example comprise end-of-life wood waste, or treated wood polluted with chemical elements or compounds, or any other solid fuel such as coal or reconstituted wood.
• Cooling means can for example be installed in the interior space of a double wall provided for cooling areas of the system in contact with the hot sources of said system.
• FIG. 1 schematically illustrates a first embodiment of a thermal recycling system according to the invention, in which whole used tires * are introduced into the instantaneous downflow reduction column;
• FIG. 2 schematically illustrates a second embodiment of a thermal recycling system according to the invention, in which used tires are introduced into the downflow reducing column, this system further comprising a tire introduction orifice integers in the thermal flow pyrolysis column;
• FIG. 3 schematically illustrates a third embodiment of a thermal recycling system according to the invention, in which used tires can be introduced both into the downflow reducing column and into the thermo-pyrolysis column upward flow along with fragmented combustible waste (which may be shredded used tires and production waste, animal meal, dry sludge, etc.).
• fragmented combustible waste which may be shredded used tires and production waste, animal meal, dry sludge, etc.
• the thermal recycling system SI comprises several separate, concomitant and communicating parts: - a column Cl.l of thermopyrolysis with ascending flow, - a column C2 for reduction and instantaneous combustion of whole tires, a reactor 4 for thermal purification and molecular cracking, and - a heat exchange system ET comprising a condenser and a concentrator of the elements (not shown).
• the method according to the invention takes place continuously, with interactive and simultaneous operation.
• the SI thermal recycling system is maintained under controlled vacuum to avoid any gas concentration.
• the Cl.l thermo-pyrolysis column includes three zones:
• the solid fuel hearth 1 with upward flow, is composed of a grid 11 receiving the fuel and injectors
• Solid fuel 130 can be end-of-life wood waste, treated wood polluted by chemical elements CCA (Copper, Chromium, Arsenic), creosotes PAH, or PCP (wood treated with "organochlorines) and / or densified biomass [Bio-
• the solid fuel gauge must correspond to the use made of it.
• oxygen can be used as an exclusive oxidant for the combustion of solid fuel, in particular fuel [Bio-D] ® .
• the role of solid fuel at this location is to constitute a LV regulating thermal base, completely impassable by combustible solid bodies (waste coals after thermo-pyrolysis) as well as by combustible fusions. Its thickness is adapted to the expected functions.
• the oxidizer is preferably oxygen O 2 , it can nevertheless be “atmospheric” air enriched or not with O 2 .
• the gases from this area will be purified and cracked as the reactor passes.
• the injection of oxidizer is forced. It is done in primary under the grid 11 and in secondary at the heart of the thermal base. A very reactive, easily controllable incandescent bed is thus obtained.
• This oven of classic design is made of special steel to allow obtaining very high temperatures, typically 1600 ° C.
• an ashtray 14 airtight by a slight overpressure of C0 2 , receives via an outlet orifice 12 the non-combustible residues: the ashes composed essentially of minerals contained in the fuel and the incinerated waste. non-gasifiable heavy metals ...
• the walls 23 of the system, its hearth grate 11, the tubular grids 21 and the walls 140 of the ashtray 14 are cooled by a hydraulic cooling system (not shown), so as to maintain their nominal temperature of use, typically 1200 ° C.
• An airtight chute 13 is disposed above the grid 11, to supply it with solid fuel. This supply is continuous and controlled in order to avoid any entry of parasitic air.
• the thermolysis / pyrolysis column 2 constitutes a height volume zone adapted to the thermal acquisition of gasification, of the volatiles which the waste contains.
• Tubular grids 21 inclined towards the oven, and thermally controlled, are arranged in this volume for progressive thermal acquisition.
• the inclination is relative to the desired flow speed, according to the density of the materials to be incinerated.
• the atmosphere in this area is reductive. It is continuously monitored to eliminate any possibility of residual oxygen.
• the LV thermal base is continuously managed and controlled to: provide the thermal capacity required for the volatilization of gasifiable organic materials contained in the waste, ensure the complete combustion of the thermopyrolysis coals and combustible materials that come into contact with it, guarantee total absorption of oxidizing oxygen.
• a chute 22 for supplying waste is located above the tubular grids 21. It is airtight and controlled by a forced flow of C0 2 , to prevent any entry of parasitic air. It is through this chute that waste, for example dry matter from sludge and slurry, is introduced. A percentage of solid fuel, injected into the waste feed chute 22, can facilitate their flow and the constant unclogging of the grids of the column. In the process according to the invention, waste with high energy potential, shredded tires, animal meal, etc. will be introduced by this chute 22 into the thermolysis / pyrolysis column 2. The elimination of this waste will provide energy for thermal recycling of used tires.
• the chamber 3 for homogenizing the burnt gases 200 and volatile combustibles is terminated by a nozzle 30 proportional to the required flow rates.
• a hydraulic system (not shown) allows the gas flow in this nozzle to be varied. It acts on pressure drops and on the control of thermal capacities, at play in the column.
• the end of the nozzle opens into the combustion chamber 4 of the thermopyrolysis gases. At this level the gases contain no trace of oxygen 0, and are at the minimum temperature of 1400 ° C.
• the combustion chamber 4 for the thermopyrolysis gases has a parabolic bottom 300 into which the gas nozzle 30 opens.
• the nozzle 30 is provided with O 2 33 injectors which allow the instant ignition of the gases as soon as they enter bedroom.
• the walls of the combustion chamber 4 are regulated by a hydraulic cooling system.
• the gases burn in column C2 for rapid reduction and instantaneous downward combustion.
• This column comprises: a first chute 42 of dimension adapted to allow the introduction of whole used tires, - a second chute 411 provided for the introduction of solid combustion, for example of the densified biomass [Bio-D] ® , a second fire grate 41 on which the solid fuel in combustion produces a second thermal base BT '.
• the chutes 42, 411 are provided with carbon dioxide injectors C0 2 420, 412 to hold them in pressure and ensure airtightness.
• the hearth constituted by the second grid 41 is provided with means 43, 51 for injecting oxidizer 0 2 disposed both at the level of the thermal base BT 'and under the grid 41.
• the post-combustion zone 5, located under the second grate 41 receives, on the one hand, the purified gases passing through the thermal base BT ′ and which are charged with carbon in the passage.
• the post-combustion reduces all the residual fuels, and the elementarized gases are led by vacuum to the heat exchange system ST via the outlet 6, and on the other hand, the incombustible ashes and particles which are evacuated via the outlet 52 and collected in the ashtray 52.
• the system thus implemented for thermal purification and molecular cracking is called "Reducing Action Filter" (FAAR). It is a system for the treatment of charged and polluted industrial fumes and gases, hot or cold.
• the FAAR system is designed to carry out full filtration of gaseous effluents and thermal cracking of the compound molecules.
• the FAAR system designed as a solid fuel thermal generator, is configured for the use of solid fuel [Bio-D] ® which, burned at very high temperature under pure oxygen, constitutes fluid and permanent ember beds. These very reactive embers are crossed by gaseous effluents: smoke, degassing, air from various treatments, exhaust gases from industrial systems, etc.
• There is thus a reactor which thermally reduces the polluted gas into native elements, regardless of their temperature or the type of pollution.
• the operating principle exploits all the oxygen molecules available, supplied or existing in the effluent. These molecules combine in C0 2 with the carbon elements, accelerating the thermal transfer of the reactor core.
• the outlet gases are no longer composed of C0 2 and non-combined native elements, there is no longer, at this process level, 0 2 available.
• the hydrogen contained in the gases participates in thermal generation and combines into H 2 0.
• the exhaust gas is composed of C0 2 , H 2 0 in the state of high temperature dry vapor and the native elements contained in treated waste. This gas is drawn into the system heat exchange ST where it will transfer all the thermal energy contained. It should be noted that the FAAR system is only useful in this first embodiment if the co-combustible waste is other than tires, or if a LV thermal base (s) is (are ) made up of solid fuels other than [Bio-D] ® and therefore if the combustion gas needs to be cleaned. In a second embodiment illustrated by FIG.
• the thermal recycling system S2 has, compared to the SI system which has just been described, an additional trough 23 provided for introducing whole used tires into the thermolysis-pyrolysis column 2.
• This additional chute 23 is equipped with a device for injecting carbon dioxide C0 2 which makes it possible to seal this chute in air by maintaining it in overpressure.
• the used tires introduced via this trough 23 are directly projected onto the thermal base BT to be burnt and pyrolyzed there.
• the thermal recycling system S3 has, compared to the system S2 which has just been described, a second additional chute 22, disposed above the chute 23 d 'introduction of used whole tires, and intended to introduce combustible waste, for example shredded tires', animal meal, dry residues of sludge from treatment plants and slurry, or industrial waste.
• This second additional chute 22 is also provided with a device for injecting carbon dioxide.
• the thermal recycling system and method according to the invention can be implemented for the elimination of all types of waste, beyond only used tires and fractionated and assimilated waste.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Gasification And Melting Of Waste (AREA)
• Processing Of Solid Wastes (AREA)
• Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

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• 2004
  • 2004-04-28 FR FR0404482A patent/FR2869555B1/fr not_active Expired - Fee Related
• 2005
  • 2005-04-27 WO PCT/FR2005/001036 patent/WO2005106328A1/fr active Application Filing
  • 2005-04-27 EP EP05762444A patent/EP1792122A1/de not_active Withdrawn
  • 2005-04-27 CA CA002564820A patent/CA2564820A1/fr not_active Abandoned
  • 2005-04-27 US US11/579,103 patent/US7736603B2/en not_active Expired - Fee Related

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