Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
  • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
  • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
  • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants

Definitions

• the present invention relates to a metered dispensing device of liquid or viscous products for the distribution of at least one product from stock of products each of which is assigned to a product, with which the quantity of product dispensed is measured by its mass.
• the invention also relates to the method of implementation of this device.
• Products for personal or household use of the consumer such as detergents, rinse additives, shampoos, or food products such as oils, beverages, are generally distributed in disposable packaging, so disposable. These packages represent a significant part of the cost of the final product. This type of distribution generates a large amount of waste that needs to be treated, which leads to a considerable economic and environmental cost, as waste management becomes more and more complex and costly.
• DE-GM 9108409.1 discloses an automatic filling device for reusable containers brought by the customer, intended more particularly for supermarkets, according to which the customer can himself fill the container supplied with a liquid product.
• a metering pump routes a predetermined amount of product from the product reservoir directly into the customer's container.
• This device uses an expensive pumping and control system, especially since the flexible tube introduced into the filling container is provided with a level-dependent stop device.
• EP 0640556 discloses a similar device for filling containers, particularly with cleaning products or food products, from a tank.
• a vacuum pump By means of a vacuum pump, the filling product is first conveyed to a measuring chamber, then, after measurement, the predetermined quantity of product is conveyed by gravity into the container.
• DE 4315422 A1 discloses a similar filling device which also uses a technology based on the measurement of volume and allowing only the delivery of a predetermined quantity of product.
• GB 1357953 discloses a foam detection device for beverage dispensers, especially beer dispensers, the liquid being delivered directly through an outlet of the tank.
• a spherical float (16) closes the outlet orifice when the reservoir is empty or almost empty. If foam forms in the tank, the level of the liquid drops, the float closes the outlet port, interrupting the distribution of the liquid and preventing the foam from coming out.
• Document US 4911212 discloses a reusable bottle filling device comprising specific means (24) for centering the head (36) of the filling nozzle (30) which center the bottle under the filling nozzle of the tank before filling and which hold the bottle in this position during filling.
• WO 93/22235 discloses a foam detection device comprising a capacitive sensor (11) detecting the value of the dielectric constant of the content of the beer supply pipe as a function of the amplitude and the frequency of the oscillation created in an electrostatic field by a captive electrode.
• a foam take-off valve (14) is integrated with a stop valve (13) of the ball type.
• None of the known devices mentioned above is equipped with a system for monitoring the presence of a container and the seal between the filling nozzle and the filling container adaptable to all types of packaging at the same time. time as a device for checking the level of filling.
• Known foam detection devices involve a filling stop. None of the known devices allows the customer to choose the quantity of product he wishes to purchase since they deliver a predetermined quantity of product.
• US 6578763 and US 7083093 disclose a method of filling containers with a liquid product from the reservoir of a dispensing apparatus as well as the apparatus itself. According to these documents, the customer can fill himself an empty original container with the same product and pay only the volume of product without paying the price of the reused container. The quantity of filling product and the price are determined in advance and are identical for all customers.
• the product is dispensed by means of a nozzle provided at the lower end of a movable conduit, small dispensing tubes each for a product or component of the product being provided within said movable conduit.
• An overflow system is provided by a small tube connected to a projecting collar surrounding the outlet nozzle.
• the subject of the present invention is a metered dispensing device for liquid or viscous products for the distribution of at least one product from product reservoirs each of which is assigned to a product, with which the quantity of product dispensed is measured by its mass, which allows the customer to choose the quantity of product he wants to buy, which ensures the distribution of the product in optimal hygiene conditions ensuring that the product can not flow without the presence of a container or in case of malfunction of the machine due to loss of power supply or pneumatic, which applies a control of presence of the container under the nozzle and a control of the seal between the nozzle and the container to be filled, which ensures a control of the maximum permissible level of filling thus avoiding any overflow of product and any risk of soil, which controls the presence of foam and provides a device to prevent or limit the formation of foam associated with flow control, which can be manufactured and installed economically viable and is easy to use for the customer .
• the device must be able to be used for liquid products having different viscosity coefficients.
• the device must also guarantee a high reliability of measuring the quantity of product delivered, regardless of the temperature and pressure conditions.
• the device must advantageously be multi-product type, allowing the distribution of several different products.
• the invention also relates to the method for implementing this metered dispensing device.
• the invention proposes a metered dispensing device for liquid or viscous products for dispensing at least one product from product reservoirs, each of which is assigned to a product, with which the quantity of product dispensed is measured by its mass, characterized in that it comprises:
• a vertically movable motorized filling nozzle connected to a supply duct of the product itself connected to the product reservoir and engaging in the container to be filled
• a device for detecting the container to be filled and for checking the seal between the filling nozzle and the container to be filled cooperating with a pressurized gas supply and a pressure detector
• a load cell arranged under the product reservoir to determine the quantity of product delivered by measuring the quantity of product remaining in the reservoir and cooperating with a machine to regulate and control the product distribution
• centrifugal pump or a pressurizing device for conveying the product from the product reservoir into the container to be filled
• this device further comprises a device for detecting the presence of foam associated with a filling speed regulator.
• This metered dispensing device has the advantage of guaranteeing three essential functions, namely firstly the detection of the presence of a container to be filled and the control of the seal between the filling nozzle and the container so as to prohibit the process. until the tightness is established or to interrupt the filling process in case of pressure drop due to a leakage, secondly a check of the maximum permissible level of product in the container preventing any overflow of product and avoiding any risk of soiling, and thirdly a control of the presence of foam with regulation of the filling rate according to the amount of foam detected so as to avoid overflow of foam without the product flow is interrupted.
• the metered dispensing device allows a bulk distribution of liquid or viscous products, with which the user himself chooses the quantity of product he wishes to buy, said quantity of product dispensed being measured by the mass. said product.
• Mass measurement has the advantage of being the only physical quantity insensitive to variations in external pressure or temperature conditions. This type of measurement also meets the requirements of the European Directive IPFA No. 2004/22 / EC relating to Automatic Operation Weighing Instruments.
• the filling nozzle is composed of three concentric tubes which ensure the flow of the gas under pressure and the product to be delivered.
• the inner tube is assigned to the injection of gas under pressure into the container
• the median tube disposed at a distance around the inner tube is assigned to the introduction of the product into the container
• the outer tube disposed at a distance around the median tube is assigned to exhaust gas under pressure.
• the filler nozzle is vertically movable as a whole and the inner tube is vertically movable relative to the median and outer tubes.
• the inner tube, the median tube, the outer tube and the probe are electrically isolated from each other. In the closed position of the median tube, said inner tube and said median tube are at the same electrical potential facilitating the establishment and maintenance of the sealed contact.
• a nipple-shaped piece integral with said outer tube, having an annular outer surface inclined inwardly conically, which comes into contact with the neck of the container to fill.
• the inclined annular outer surface of said teat-shaped end piece engaging the neck of the container to be filled may be covered with an elastic material to improve the seal between the filling nozzle and the container.
• the inner tube with the detection probe of the maximum permissible level of product and the median tube are protruding on the teat-shaped lower end of the outer tube, which makes it possible to avoid any risk of recovery of the produced in the exhaust pipe of the gas under pressure.
• the lower end of the inner tube is provided with a nozzle head having a protruding annular collar shape whose upper surface is inclined downwards and outwards and which comprises annular sealing elements.
• Said nozzle head disposed at the lower end of the movable inner tube for injection of pressurized gas and having a protruding annular collar shape is provided inside with at least two radial ducts inclined downwards for the passage pressurized gas.
• the lower end of the nozzle head is closed by an end piece which allows electrical isolation of the probe from the nozzle head and the inner tube and on which the lower end of the sensor probe maximum permissible level is slightly prominent.
• the nozzle head disposed at the lower end of the mobile inner tube for injection of pressurized gas consists of two parts in the form of superimposed annular raised collars, arranged at a certain distance from each other. above the other, the upper flange being secured to the inner tube for injecting gas under pressure and the lower flange being integral with the detection probe of the maximum permissible level of product so as to determine between them a continuous annular orifice. - naked for the passage of gas under pressure.
• the seal between the filling nozzle and the container to be filled is controlled throughout the filling process by the injection of gas under pressure through the inner tube of the filling nozzle, the outer tube exhaust gas under pressure being provided at its upper end with a calibrated valve to maintain the pressure in the entire circuit of the pressurized gas.
• a pressure detector emits a signal, triggering the raising of the inner tube with the nozzle head and the interruption of the filling process.
• said nozzle head in the raised position of the inner tube and the nozzle head relative to the median tube, corresponding to the position before delivery of the product in the container, said nozzle head comes into contact with a stagger provided on the inner wall of the median infeed tube for closing off said median tube and for preventing delivery of the product, while in the lowered position of the inner tube and the nozzle head with respect to the median tube, corresponding to its position after establishment of the seal between the filling nozzle and the container to be filled, the nozzle head is disengaged from the lower end of the central tube of which the annular orifice is thus opened to allow the flow of the filling product into the container, the filling product being directed by the inclined top surface of the annular collar-shaped nozzle head projecting towards the side wall of the container.
• the maximum permissible level of the product inside the container to be filled is established by measuring the electrical resistance between, on the one hand, the inner tube for injecting the gas under pressure or the nozzle head or the median tube, and, secondly, the measuring probe of the maximum permissible level of product disposed inside said inner tube so as to stop the filling process when the maximum permissible level of product is reached.
• the detection of the presence of foam is carried out by measuring the electrical resistance between, on the one hand, the median tube for introducing the product and / or the inner tube and / or the head nozzle and on the other hand, the outer exhaust tube of the gas under pressure, the filling rate being determined according to the amount of foam detected.
• the transport of the product from the reservoir into the container to be filled is provided by a centrifugal pump or by a pressurizing device.
• the quantity of product delivered is determined by the scale placed under the product tank, which continuously measures the difference in product mass in the tank between the beginning of the delivery process of the product and the moment of measurement, corresponding to the quantity of product already delivered at the same time.
• the delivery tray of the container to be filled consists of a scale which measures the tare of the container at the beginning of the filling cycle and which measures the final mass at the end of the filling cycle to calculate by difference the quantity of product delivered in the container. Two measurements are then made of the quantity of product delivered, namely one by the load cell arranged under the product reservoir and the other by the scale on which the container to be filled is placed. Still according to the invention, it can be provided a plurality of independent product tanks each of which cooperates with a dedicated filling nozzle with which it form a building module, the establishment of the nozzle corresponding to the selected product is performed by a translation system or rotation.
• This variant of the invention corresponds to a multi-product dispenser.
• the method of implementing a metered liquid or viscous dispensing device for dispensing product from a stock of product, with which the amount of product dispensed is measured by its mass is characterized by the following steps when a simple tray of the container to be filled is provided and that the measurement of the quantity of product delivered is carried out only by the scale placed under the product reservoir: user of the container to be filled under the orifice of passage of the filling nozzle on a plate to trigger the launching of the automatic filling cycle,
• the ticket indicating the information concerning, in particular, the quantity of product delivered, the price to be paid, the information relating to the product, its traceability and the store.
• the method of implementing a metered dispensing device for liquid or viscous products for dispensing product from a product stock, in which the amount of product dispensed is measured by its mass is characterized by the following steps:
• the ticket indicating the information concerning, in particular, the quantity of product delivered, the price to be paid, the information relating to the product, its traceability and the store.
• Figure 1 shows an axial section of a metered dispensing device according to the invention in the retracted position in the frame of the dispensing apparatus.
• Figure 2 shows an axial section of a metered dispensing device according to the invention, the filling nozzle is in the lowered position of detection of the container to be filled.
• Figure 3 shows an axial section of a dosing device according to the invention, the filling nozzle is in the filling position.
• Figure 4 shows an enlarged axial section of the lower end of the filling nozzle, the inner tube and the nozzle head being in the raised position.
• Figure 5 shows an enlarged axial section of the lower end of the filler nozzle, the inner tube and the nozzle head being in the lowered fill position.
• Figure 6 shows an axial section of a metered dispensing device according to the invention, the foam detection device is in operation.
• Figure 7 shows an axial section of a metered dispensing device according to the invention, the device for controlling the maximum permissible level is in operation.
• Figure 8 shows an axial section of the nozzle head.
• the metered dispensing device allows a bulk distribution of liquid or viscous products with which the user himself chooses the quantity he wishes to purchase, said quantity of product dispensed being measured by the mass of said product. Instead of choosing a quantity of product, the user can also choose the amount of his expenditure for the purchase of the product.
• This metered dispensing device is housed in the frame (2) of a dispensing apparatus, which comprises in particular a delivery tray (6) for the container to be filled (5) and a product selector not shown in the figures.
• the transport of the product (P) from the product reservoir, not shown in the figures, into the container to be filled (5) is provided by a centrifugal pump or by a pressurizing device.
• the dosing device comprises a vertically movable motorized filling nozzle (1) which engages in the neck of the container. to be completed (5).
• the filling nozzle (1) is composed of three concentric tubes (10), (20), (30), whose inner tube (10) is assigned to the injection of a pressurized gas in the container (5), whose median tube (20) disposed at a distance from the inner tube (10) is assigned to the introduction of the product (P) into the container (5) and whose tube outside (30) arranged at a certain distance around the median tube (20) is assigned to exhaust the gas under pressure.
• the direction of the flow of pressurized gas is indicated by the arrows A, and the direction of the product flow (P) by the arrows B.
• the inner tube (10) for injecting a pressurized gas is connected to a supply duct (16) of said pressurized gas which conveys said pressurized gas into the container to be filled (5).
• Said inner tube (10) which is for example copper, makes it possible to ground the nozzle head (11) provided at its lower end.
• the inner tube (10) is vertically movable relative to the median tube (20) and the outer tube (30) immovable relative to each other.
• a sensor (40) for detecting the maximum permissible product level which is integral with the inner tube (10) and moves together therewith.
• the probe (40) which is for example made of stainless steel, makes it possible to capture the electrical potential for the purpose of detecting the maximum permissible level of product (P) in the container.
• the inner tube (10) for introducing the gas under pressure with the probe (40) for detecting the maximum permissible level of product, on the one hand, and the median tube (20) for introducing the product, on the other hand , are protruding on the lower end of the outer tube (30) for exhaust gas under pressure, which avoids any risk of rising product in the exhaust tube of the pressurized gas.
• the middle tube (20) for introducing the product which conveys the product (P) into the container to be filled (5) is connected to a feed duct of the product (21) which is itself connected to a storage container. product, not shown in the figures, supplying said nozzle product (P).
• the middle tube (20) which is made of stainless steel, for example, makes it possible to ground the product (P) inside it as well as the inner tube (10) for injecting the gas under pressure, the electrical contact effected by the inclined upper surface (12) of the nozzle head (11) and the corresponding shoulder (24) of the middle pipe (20) step (22) or the product (P) thereof. -even.
• the outer tube (30) for exhausting the pressurized gas is provided at its lower end with a nipple piece (31) assembled with said outer tube (30) for example by screwing.
• the nipple (31) has a conically inwardly inclined inward annular outer surface (32) which contacts the neck of the container to be filled (5) to establish and maintain tight contact between the container (5) and the container (5). ) and the filling nozzle (1).
• the inclined annular outer surface (32) of the teat-shaped end piece (31) is covered with an elastic material, for example rubber, which facilitates the establishment and maintaining the sealed contact between the container (5) and the filling nozzle (1).
• the outer tube (30) and the nipple (31) assembled with said outer tube The outer tube (30) is made of electrically conductive material, the outer tube (30) being made of aluminum, for example, the brass nipple (31).
• the teat (31) captures the electrical potential to detect the formation of foam (M) in the container (5).
• the outer tube (30) which is not connected to the earth, makes it possible to drive the electrical potential of the nipple to the wired connection point provided on a connection (91) of the filling nozzle driving means ( 1).
• the inner tube (10), middle (20), the outer tube (30) and the probe (40) are electrically insulated from each other, respectively by the support head (92), end (15) of the nozzle head (1 1) and the fitting (91) which are made of insulating materials.
• the inner tube (10) has at its lower end a nozzle head (11) integral with said inner tube (10).
• Said nozzle head (1 1) is assembled with the inner tube (10) for example by screwing, an O-ring (17) sealing between the inner tube (10) and the nozzle head (11).
• the nozzle head (11) has a projecting annular flange shape whose upper surface (12) is inclined downwardly and outwardly so as to direct the flow of the product (P) towards the side wall of the container.
• annular sealing elements (13) are provided, in particular O-rings, which provide a seal between the nozzle head (11) and the nozzle. inner face of the middle tube (20) for introducing the product.
• Said nozzle head (11) is provided inside with at least two radial ducts (14) inclined slightly downwards allowing the passage of pressurized gas from the inner tube (10) into the container (5), as shown more particularly to Figures 5 and 8.
• the lower end of the nozzle head is closed by a piece (15), for example Teflon, which provides electrical insulation of the probe relative to the nozzle head (11) and the inner tube (10), the lower end of the probe (40) being slightly protruding on said end piece (15).
• the nozzle head (11) disposed at the lower end of the inner tube (10) for mobile injection of gas under pressure consists of two parts in the form of superimposed annular raised collars arranged at a distance one above the other, the upper flange being secured to the inner tube for injecting gas under pressure and the lower flange being secured to the maximum level detection probe permissible product for determining between them a continuous annular orifice for the passage of the gas under pressure.
• the filling nozzle (1) in the standby and rest position is retracted into the frame (2) of the dispensing apparatus.
• the filling nozzle (1) is assembled at its upper end with a connection (91) which electrically isolates all the parts that make up the nozzle (1) and which is actuated by a jack ( 9).
• the inner tube (10) is mounted at its upper end on a support head (92), for example of Teflon or other rigid and insulating material, which allows the inflow of pressurized gas to be placed between the inner tube (10). ) and the probe (40) and which electrically isolates the probe (40) from the inner tube (10).
• the jack (9) makes it possible to raise and lower the assembly comprising the support head (92), inner tube (10), the probe (40), the nozzle head (11) by cooperating with a compression spring ( 90) to allow the introduction and the flow of the product (P). More particularly, the cylinder (9) compresses the compression spring (90) to pass the assembly comprising the support head (92), inner tube (10), the probe (40) and the nozzle head (11). in lowered work position allowing the flow of the product (P) and raises said assembly in the rest position in case of interruption or stopping the flow of the product. In the context of the invention, any other suitable means may also be provided. actuating the filling nozzle (1), for example a rack system cooperating with a motor or a magnetic field.
• the metered dispensing device simultaneously proposes, on the one hand, a check of the presence of a container (5) under the filling nozzle (1) and of the seal between said filling nozzle and the filling container (5), and on the other hand, a check of the maximum permissible level of product in the container thus preventing any risk of overflow.
• a foam detection device the metered dispensing device according to the invention allows in addition to the tightness control and the control of the maximum permissible level of product, a control training of foam associated with a regulator of the filling speed, the flow velocity of the product (P) being reduced in case of foaming.
• a gas under pressure into the container (5) is for example compressed air injected at a maximum pressure of 10 bar, preferably of the order of 6 bar. It may also be a technical gas intended to ensure the protection of the filling product.
• This pressurized gas arrives via a supply duct (16) into the inner tube (10) and penetrates through the ducts (14) of the nozzle head (11) into the container (5), a part of the gas under pressure then escaping through the outer tube (30) and the exhaust duct (34) of said pressurized gas, as shown more particularly in FIGS. 2 and 3.
• a pressure sensor or a flow meter makes it possible to measure the pressure, respectively the speed of air flow. As soon as the desired pressure guaranteeing the seal is reached, the authorization to deliver the product by opening the lower end of the median tube (20) is given.
• the seal between the filling nozzle (11) and the filling container (5) is controlled during the entire filling process by the injection of gas under pressure.
• the outer tube (30) for exhausting the gas under pressure is provided at its upper end with a calibrated valve, not shown in the figures, to maintain the pressure in the entire circuit of the gas under pressure.
• a pressure sensor emits a signal, triggering the ascent the inner tube (10) and the nozzle head (11) causing the interruption of the filling process.
• This safety device is particularly important in the case of delivery of a chemical such as fertilizer or product such as wine that can spray and stain the user of the dispensing device.
• the delivery of the product can be resumed after the user has repositioned its container and that the seal between the neck of the container to be filled (5) and the outer tube (30) has been restored.
• maintaining the pressure throughout the delivery cycle of the product has the effect of "breaking" the foam and reduce its formation, because the compressed air injected by the inner tube (10) passes through the foam before to evacuate through the outer tube (30).
• the control of the maximum permissible level of product in the container makes it possible to prevent any risk of overflow of product and dirt.
• the maximum permissible level of the product inside the container to be filled (5) is established by measuring the electrical resistance, which varies according to the nature of the product present between two electrodes formed, namely for one of the inner tube (10) for injecting the pressurized gas or the nozzle head (11) or the median tube (20), and for the other of the probe (40) for measuring the maximum permissible level of product disposed at the interior of said inner tube (10) and protruding slightly on the lower end (15) of the nozzle head (11) which comes into contact with the product, so as to cause the filling nozzle to rise and to stop the process when the maximum allowable product level is reached.
• the product delivery stops automatically when the product reaches the high level of the product. container.
• the price invoiced is then that corresponding to the quantity of product actually distributed and not that corresponding to the quantity of product requested.
• Control of the presence of foam may be particularly useful for products having a tendency to foam such as laundry or wine.
• the detection of the presence of foam (M) is performed by measuring the electrical resistance, which varies according to the nature of the product present, between two constituted electrodes, namely for one of the median tube (20) for introducing the product. and / or the inner tube (10) and / or the nozzle head (11), and for the other of the outer tube (30) for exhausting the gas under pressure, the filling speed being determined as a function of the amount of foam detected. Indeed, when the presence of foam is detected, the product delivery continues but at a lower speed.
• the formation of foam is further reduced by the configuration of the nozzle, more particularly by the fact that the flow of the product (P) is directed towards the side wall of the container (5) by the upper surface (12) inclined towards the bottom of the nozzle head (11) projecting annular collar.
• the quantity of product delivered is determined by the scale placed under the product reservoir which continuously measures the mass difference. of product in the reservoir between the beginning of the product delivery process and the moment of measurement, corresponding to the quantity of product already delivered at the same time.
• a second measurement of the quantity of product delivered is carried out as a compe- titione.
• the delivery tray (6) of the metered dispensing device on which the container to be filled (5) is placed consists of a scale which measures the tare of the container at the beginning of the filling cycle and which measures the final mass at the end of the filling cycle to calculate by difference the mass of product in the container. It is therefore proceeded in parallel to two measurements of the quantity of product delivered, namely one by the load cell disposed under the product reservoir and the other by the balance on which the container to be filled is placed.
• a single device can deliver different products to the user's choice.
• it can be provided a plurality of independent product tanks each of which cooperates with a dedicated filling nozzle with which it forms a building module.
• the user can choose the product by operating the selector arranged on the frame of the dispensing apparatus.
• the introduction of the nozzle corresponding to the selected product is then performed by a translation or rotation system.
• a stationary laying plate (6) on which the container to be filled (5) is placed and the measurement of the quantity of product actually delivered is carried out by the load cell placed under the the tank (s) of product (s).
• the ticket indicating the information concerning, in particular, the quantity of product delivered, the price to be paid, the information relating to the product, its traceability and to the store, the ticket possibly including a barcode with the above information.
• the laying plate (6) consists of a scale which carries out the measurement, parallel to that carried out by the load cell placed under the product tank (s), the quantity of product actually delivered.
• the operation of the metered dispensing device according to this embodiment of the invention more particularly comprises the following steps: - Installation by the user of the filling container (5) under the passage opening (3) of the filling nozzle (1) on a scale (6) establishing the tare of the container to trigger the launch of the automatic filling cycle ,
• the ticket indicating the information concerning, in particular, the quantity of product delivered, the price to be paid, the information relating to the product, its traceability and to the store, the ticket possibly including a barcode with the above information.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Basic Packing Technique (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=41258887

Family Applications (1)

Country Status (5)

Families Citing this family (8)

Family Cites Families (18)

• 2009
  • 2009-04-03 FR FR0901622A patent/FR2944004B1/fr not_active Expired - Fee Related
• 2010
  • 2010-03-15 CA CA2754125A patent/CA2754125A1/fr not_active Abandoned
  • 2010-03-15 US US13/138,818 patent/US20120037268A1/en not_active Abandoned
  • 2010-03-15 EP EP10713226A patent/EP2424813A1/de not_active Withdrawn
  • 2010-03-15 WO PCT/FR2010/000212 patent/WO2010112686A1/fr active Application Filing

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events