Millipore Corporation

Emd Millipore Corporation

Merck Patent Gmbh

Millipore S.a.

Yves Gaignet

Ichiro Kano

Jacques Moulin

Denis Daulasim

Pascal Rajagopalan

Julien Bole

Julien Gross

Pascal Delahaie

Aristotelis Dimitrakopoulos

Francois Quirin

Cecilia Regnault

Daniel Darbouret

Christian Berducat

Didier Meyer

Celine Le Ninivin Glipa

Stéphane Dupont

Catherine A Lavoie

Céline Le Ninivin Glipa

Cécilia Regnault

Chester L Bejtlich Iii

Céline Le Ninivin

The present patent application relates to a device () for measuring the conductivity of a liquid, which comprises a measuring chamber for containing a sampling volume to be irradiated with UV rays formed in a hydraulic body () which comprises an inlet channel for feeding the measuring chamber with liquid to be measured and an outlet channel for removing the measured liquid from the measuring chamber, the inlet channel and the outlet channel emerging on either side beyond a surface exposed to the UV rays, such that only the sampling volume contained in the measuring chamber is irradiated. The present patent application is also directed towards a use of such a device and to a purification system comprising such a device.

Device for measuring the conductivity of a liquid in order to determine very low levels of total organic carbon (TOC) in pure and ultra-pure water

The invention concerns a treated water purification system () comprising a closed water flow loop () said loop comprising at least one treated water supply point (A), at least one point of use (U) of purified water, a pump means (), a sterilization means () and a filtration means (), characterized in that the zone () comprises the supply point (A) and a water extraction point (P), situated upstream of the supply point (A), and in that the extraction point (P) and the supply point (A) are both situated in a sector (B) of the sterilization zone () that is isolated from the two connection points (R, R) of the loop () to the zone () by two other sectors (A,C) of the zone (). Method for use of such a system.

System and method for purification and distribution of water with separation barrier taking away the biological contamination

The invention concerns a treated water purification system () comprising a water flow loop (), said loop () being closed onto a tank () of treated water to purify, and said loop () successively comprising, in the direction of flow of the water downstream of the tank (), at least one pump means (), at least one first filtration means (), at least one second filtration means () and at least one point of use (U), the system () being characterized in that it further comprises at least one diversionary pipe () linking the first filtration means () to the tank (), and a loop return pipe () linking the second filtration means () to the tank (). Method for use of such a system.

System and method for water purification with automatic purge

A biocidal fluid purification cap () for a fluid container (), preferably one storing purified water for use in laboratory environments and especially purified water for cell culture and water for molecular biology. The purification cap () includes a cap body () including an engagement feature () for removably attaching the cap body () to a mating engagement feature on a spout of the fluid container () to hermetically close a spout opening, at least one LED () adapted to emit light in the UV-C range, electronic circuitry () for driving the LED(s) (), and a power supply for the electronic circuitry (). The LED(s) () is/are arranged in said cap body () so as to be separated from the environment by an UV-transparent window () provided in the cap body () such that light emitted from said LED(s) () enters the opening of the spout when the cap () is attached to the spout of the container ().

Biocidal purification device

A biocidal purification reactor, including a main cylinder tube (A;B), at least one end cap (A,B,C) closing at least one axial end opening of the main cylinder tube (A;B), at least two ports (A,B) communicating with the interior volume () of the main cylinder tube (A;B) in the vicinity of the respective axial ends of the cylinder tube (A;B), and at least one of said end caps (A) or said main cylinder tube (B) including a UV-light source (A;B).

Biocidal purification reactor

The invention consists in a disposable module () for purifying a fluid, in particular water, adapted to form part of a thud purification system and comprising fluid purification means (), a housing () in which the purification means are housed, and means for removably connecting the purification module () to the purification system to establish fluid communication between the purification system and the purification module (), characterized in that the housing () contains from the outset a cleaning agent () disposed to come into contact with the fluid caused to circulate inside the housing () to clean at least a portion of the purification system, it also consists in the purification system and corresponding fabrication and cleaning methods.

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

Described herein is a disposable module for purifying a fluid, in particular water, adapted to form part of a fluid purification system and method of cleaning at least a portion of a fluid purification system using such a disposable module, where the method includes the steps of: (a) providing a disposable module which includes a housing containing a cleaning agent from the outset: (b) connecting the module to a purification system which is downstream of the module and starting a system cleaning procedure, thereby to clean at least a portion of the purification system.

A fluid purifying module including a monolithic container, a pretreatment filter, and a selectively permeable membrane treatment cartridge, respectively housed in an external cylindrical space and an internal cylindrical space of the container, communicating with each other via one or more passages in the vicinity of one axial end of the container. The external space communicates at the same end as the opposite axial end with a first connector orifice for feeding fluid to be purified to the pretreatment filter, and the internal space communicates separately, at the same end as the aforementioned axial end, with a second connector orifice for evacuating from the module a flow of permeate (purified fluid) and with a third connector orifice for evacuating from the module a flow of retentate (residual fluid).

Module for purifying a fluid, in particular water

The invention concerns a water purification system () comprising a closed water recirculation loop () supplied at one point by a water inlet () with water to be purified, (and having) at least one outlet point of use of the purified water () and (further comprising) pumping means () and water purification means () on the loop respectively downstream of the inlet point and upstream of the at least one outlet point (), in the water flow direction which system is characterized in that it includes two independent valves: a first valve () on the loop upstream of the pumping means (), and a second valve () upstream of the at least one point of use outlet point (). The invention also relates to a water purification method.

Water purification system and method

A polishing cartridge in a water purification system for final purification of water for distribution to a point of use. The system includes a closed water recirculation loop supplied at one point by a water inlet with water to be purified, and having at least one outlet point of use of the purified water, a pump and a water purifier on the loop respectively downstream of the inlet point and upstream of the at least one outlet point, in the water flow direction, and two independent valves on the loop. The system further including a hydraulic connector including four ports that forms a distributor or manifold for the system. The cartridge contains a combination of an ultra filter having a cut-off below 13000 daltons for reducing the level of pyrogens and nucleases contained in the water, and C18 grafted media effective for reducing the level of contaminants in the water.

The invention relates to a method and a system for purifying water whereby: It also relates to a tangential filtration module suitable for the above kind of system.

Water purification system and method, and module for the system

A water purification system and method. A closed water recirculation loop supplied at one point by a water inlet with water to be purified, and having at least one outlet point of use of the purified water. Also included is a pump and a water purifier on the loop respectively downstream of the inlet point and upstream of the at least one outlet point, in the water flow direction. The system includes two independent valves, including a first valve on the loop upstream of the pump and a second valve upstream of the at least one point of use outlet point. The first and second valves are selectively opened and closed to recirculate all the water treated by the purifier.

The invention concerns a hydraulic connector () forming a distributor or manifold for a hydraulic circuit of a fluid purification system () having a purified fluid inlet () and three outlets (), characterized in that the inlet () is connected directly to a first outlet () of the three outlets by a pipe and in that a second pipe () is hydraulically connected to the first pipe between said inlet () and said first outlet () and to a third pipe having two ends forming the other two outlets () of the connector.

The invention relates to a method and a system for purifying water whereby: the water to be purified is pressurized; a pressurized flow of said water is directed onto at least one selective permeability membrane to divide () the flow of pressurized water into a permeate flow and a retentate flow; the permeate flow is electrodeionized () to produce a flow of purified water consisting of the electrodeionized permeate flow; the flowrate of the retentate flow () is reduced; a substantially constant predetermined pressure () is maintained on the selective permeability membrane(s); and a substantially constant predetermined permeate flowrate is maintained and also relates to a suitable tangential filtration module system.

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Montigny le Bretonneux, France

Yves Gaignet