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Class 435/295.2 - Airlift bioreactor


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Apparatus whereby the driving means to circulate fluid in
No. of patents: 40
Last issue date: 09/16/2008


NumberTitleIssue Date
7425441Bioreactor for culturing microorganisms
A bioreactor for culturing microorganisms which has a reactor vessel, a plurality of gas-introduction tubes and a gas-introduction system for introducing gas into a culture medium in the gas-introduction tubes via injectors, wherein the gas-introduction tubes are co...
09/16/2008
7374928Bio-reactor for the cultivation of micro-organisms and method for the production thereof
The invention relates to a bioreactor for cultivating microorganisms, as well as a method for its production. The invention is characterized in that the bioreactor (1) comprises two identically constructed base elements (2,3) that are constructed in tr...
05/20/2008
7329539Bioreactor for sewage and wastewater treatment
The present invention relates to a bioreactor for sewage and wastewater treatment, which is capable of agitating and supplying oxygen simultaneously. A bioreactor of the present invention, comprises a culture drum in which microorganisms are cultured; a supplier for...
02/12/2008
7100905Reactor for gas/liquid or gas/liquid/solid reactions
A reactor (1) for gas/liquid or gas/liquid/solid reactions having a vertical longitudinal axis and an inlet (2) for a liquid or liquid/solid feed stream in the upper region of the reactor and an inlet (3) for a gaseous stream in the lower region...
09/05/2006
7056503Enclosures housing cell-coated supports for treating tumors
The present invention relates to devices, systems and methods for treating tumors. In particular, the present invention relates to enclosures housing cell-coated supports for promoting regression of tumors, such as cancerous tumors, papillomas, and warts. In preferr...
06/06/2006
6709862Growing cells in a reservoir formed of a flexible sterile plastic liner
A method and apparatus for aseptic biological production of cells and/or microorganisms are provided. The apparatus includes a support housing having an interior chamber, a disposable flexible sterile plastic liner lining the interior chamber and a head plate attach...
03/23/2004
6670169Bioreactor
A bioreactor with a reaction container (1, 1a, 1b, 1c) for a substance (C) to be acted upon with a medium has a pump (5, 5a, 5b, 5c, 5d) for conveying the medium. The pump is designed as an expendable pump or, respectively, parts (53d, 54d, 55d) of the pu...
12/30/2003
6492135U-shape and/or nozzle u-loop fermentor and method of carrying out a fermentation process
A U-shape and/or nozzle-U-loop fermentor has a U-part consisting of an essentially vertical downstream part (2), an essentially vertical upstream part (4), a U-shape bend part (3) which connects the lower ends of the downstream and upstream parts, an inli...
12/10/2002
6245555Method and apparatus for aseptic growth or processing of biomass
A method and apparatus for aseptic biological production or processing of cells, tissues and/or microorganisms is provided. The apparatus includes a support housing having an interior chamber, a disposable liner lining the interior chamber and a head plat...
06/12/2001
6174720Modified bioreactor
Bioreactor apparatus for culture of living matter in a liquid medium includes a plurality of tubes connected at one end to a primary manifold section and at their other end to a secondary manifold section such that a flow of liquid containing the living m...
01/16/2001
5985649Device and method for removal of gas contaminates through a shallow sparged bioreactor
A method and apparatus for removing select gas contaminants is disclosed. The apparatus is a bioreactor having a chamber for containing liquid and a liquid positioned therein, the liquid forming a column having a top and a bottom surface defining a height...
11/16/1999
5672507Apparatus for the surface culture of nucleated cells and cell culture dependent substances
An improved bio-reactor with spiral or coil-shaped filling bodies is disclosed, the improvement comprising use of a gas diffusion tube through which air, oxygen or other gases can be bubbled through the fermentation medium....
09/30/1997
5593890Apparatus suitable for conducting gas-liquid reactions
An improved apparatus for conducting gas-liquid reactions, comprising a vessel having at least one ascending flow chamber and at least one descending flow chamber. The vessel is especially useful in conducting high cell density fermentation processes, for...
01/14/1997
5563068Bioreactor
A stainless steel column housing is capped with an O-ring sealed cover to form a sealed autoclavable sterile chamber. A pair of stainless steel mesh circular cylindrical concentric inner and outer columns are within the chamber. A bed of porous glass sphe...
10/08/1996
5501971Method and apparatus for anchorage and suspension cell culture
A method and apparatus cultivates anchorage and nonanchorage cell in a reactor. A reactor includes a basket type packed bed and an internal recirculation device. The basket includes a top and bottom portion for allowing medium to flow uniformly through th...
03/26/1996
5256380Startup openings in a three-phase gaslift loop reactor
Reduction of the hysteresis effects in a gaslift loop reactor is effected with a draft tube for solids suspension. The gas or liquid flow rates for generating complete solid suspension are significantly higher than the flow rates necessary for maintaining...
10/26/1993
5227136Bioslurry reactor for treatment of slurries containing minerals, soils and sludges
A reactor vessel for use in treating slurries containing minerals, soils or sludges contaminated with toxic organic substances is disclosed. The vessel includes a tank, having a sealed cover, a mixer arrangement, an air supply arrangement and an exhaust g...
07/13/1993
5162051Photobioreactor
A photobioreactor for the cultivation of photosynthetic microorganisms is disclosed wherein a plurality of baffles are mounted in the photobioreactor tank forming hollow cavities which enable the insertion of light sources through openings in the tank wal...
11/10/1992
5081036Method and apparatus for cell culture
Methods and apparatus are provided for growing both suspension type cells and anchorage dependent cells in airlift bioreactors. A packing means, such as stainless steel wool, is provided in the growth chamber of the bioreactor to increase cell density by ...
01/14/1992
4906578Aerobic-cultivation tank
An aerobic-cultivation tank of vertical type comprises: a closed outer tank structure of cylindrical shape; an internal cooling jacket secured concentrically to the inner wall surface of said tank structure and having a cylindrical space for accommodating...
03/06/1990
4782024Fermentation process and fermenter
A "pressure-cycle" fermentation process and fermenter wherein an oxygen-enriched gas containing at least 30% by volume oxygen is supplied to the fermenter downcomer and the nutrient supply to the fermenter is such as to allow growth of the culture to cont...
11/01/1988
4748123Continuous fermentation device
A continuous fermentation device for receiving a suspension culture of cells includes a fermentation vessel having inlet means to deliver suspension culture medium; baffle means defining, in combination with interior walls of said vessel, a downcomer and ...
05/31/1988
4703007Separation of volatiles from aqueous solutions by gas stripping
Process and apparatus for the recovery of low concentrations of volatile components from a liquid by use of a stripping gas is disclosed. The system is particularly suited for recovery of low concentration volatile metabolites from fermentation broths....
10/27/1987
4668632Sparger and apparatus for and method of growing cells
A sparger useful for introducing gas into a liquid is composed of one or more gas-permeable members positioned between a gas inlet means and a gas distribution means. A method and apparatus for culturing cells, eukaryotic cells and hybridomas in particula...
05/26/1987
4545945Process for improving the gas distribution in air-lift loop reactors
In a process for improving the gas distribution in air-lift loop reactors, the back-flowing, partially degassed liquid is divided into part streams prior to, during or after entry into the rising part of the loop. In this process, the cross-section of the...
10/08/1985
4519959Gas-liquid contacting apparatus
A gas-liquid contacting apparatus is constituted by an upright vessel, at least one perforated gas distributor for supplying a gaseous medium into a liquid medium within the vessel, a plate-like rotary disintegrator positioned within the vessel and above ...
05/28/1985
4482458Process and apparatus for the anaerobic treatment of waste water in a filter including granular material
Waste water to be treated is introduced into a filter including granular material for supporting the biomass resulting from an anaerobic treatment operation. During such treatment operation biogas is formed, and the waste water being treated and the granu...
11/13/1984
4419244Method and arrangement for aeration of liquids
A method of aerating liquids, particularly for aerobic growing of microorganisms, has the steps of forming a circumferential stream of liquid, forming a longitudinal stream of liquid, and superimposing these streams so as to form a combined closed spiral-...
12/06/1983
4357424Process for the continuous production of fermentation alcohol
A process for the continuous production of fermentation alcohol, by effecting fermentation of a continuous or substantially continuous supply of the liquid substrate by a dense suspension of a suitable micro-organism in a reaction column wherein the suspe...
11/02/1982
4327042Draft device for a bubble column
Disclosed is an improved draft device for a bubble column used in a reaction wherein gas and liquid are mixed such as fermentation. The draft device consists of a plurality of vertical plates coaxially arranged within the bubble column such that each plat...
04/27/1982
4311798Method of and an arrangement for cultivating cells of animal and human tissues
A method of cultivating cells of animal and human tissues includes the steps of introducing the cells into a nutrient solution in which they tend to settle, and maintaining the cells in the solution in a suspended state so as to prevent their settling by ...
01/19/1982
4282328Apparatus for cultivating aerobic microorganisms and process for cultivation using the same
Apparatus for cultivating aerobic microorganisms is provided which comprises cell multiplying compartment and cell ripening compartment. The invention also provides a cultivation process using the same apparatus. The invention improves oxygen transfer rat...
08/04/1981
4204042Method of gasifying and agitating a fermentation culture
The invention relates to a method of and an apparatus for enabling a micro-organism culture to be gasified and agitated so as to accelerate its growth. The culture is contained in a fermenter which comprises two containers C1 and C2 ...
05/20/1980
4183787Circulation of gas/liquid mixtures
A method and apparatus for continuously circulating a mixture comprising a liquid and a gas around a system comprising a riser and a downcomer and a gas disengagement section in which liquid flows downwardly at a velocity which does not exceed 0.2 meters ...
01/15/1980
4173516Device for cultivating cells of animal and human tissues
A method of cultivating cells of animal and human tissues includes the steps of introducing the cells into a nutrient solution in which they tend to settle, and maintaining the cells in the solution in a suspended state so as to prevent their settling by ...
11/06/1979
4126517Method of converting liquid micro-biological substrate and apparatus for carrying out the method
A method of converting liquid micro-biological substrate is disclosed, as is an apparatus for carrying out the method. The liquid substrate is caused to flow along a duct having a cross-sectional area which alternately decreases and increases along the fl...
11/21/1978
4048017Introduction of nutrient medium into a fermenter
A method and apparatus for continuous fermentation wherein a limiting nutrient such as a carbon source is supplied to a culture at sufficient positions and at suitable rates to ensure that another nutrient such as oxygen does not effectively become the li...
09/13/1977
3963581Air lift fermentors
An air lift fermentor comprising in combination a hollow cylindrical body, vertically located and subdivided into three zones by a pair of diaphragms parallel to the axis of said cylindrical body, the central zone of which is destined to fermentation of t...
06/15/1976
3957585Method for conducting fermentation
An apparatus for conducting a fermentation process for the production of single cell protein and the like. The apparatus includes a vessel with a reaction zone and has liquid atomizing means opening thereinto for the injection of atomized liquid into the ...
05/18/1976
3954565Apparatus for cultivating microorganisms
An apparatus for cultivating microorganisms, comprising ejectors adapted to disperse and intermix the culture liquid and aerating agent, the ejectors being rotatable and located in a container for the culture liquid having a diffuser for the directional f...
05/04/1976
 
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