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Class 435/304.3 - Flat culture flask


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Apparatus having a substantially flat profile.
No. of patents: 40
Last issue date: 03/30/2010


NumberTitleIssue Date
7687262Flask
The present invention provides a flask having a top piece 20 and a bottom piece 22 with optical properties on the interior surface 24 of which cells are grown. The top piece 20 and the bottom piece 22 are joined by a removable elas...
03/30/2010
7425440Culture flask
A culture flask 10 comprises two or more internal chambers 18-21 defining a plurality of parallel surfaces of different sizes and means for fluid communication 24 between the chambers 18-20. ...
09/16/2008
7348176Chamber with adjustable volume for cell culture and organ assist
The invention features modular chambers for culturing cells in which the volume of a chamber can be adjusted without compromising the seal or sterility of the chamber. The invention is based on the principle that the volume of a chamber formed between two plates san...
03/25/2008
7300789Bioreactor forming a rigid vessel
The invention provides a bioreactor (10) for the culture of animal, vegetable, microbial of algal cells of their co-cultures, of the type including a body (12) which delimits an internal volume (14) capable of holding a culture liquid (16) and a gas volume (17) abov...
11/27/2007
7078228Cell cultivating flask
A stackable flask for the culturing of cells is disclosed. The cell culture chamber is defined by a top plate and a rigid bottom tray of substantially rectangular shape connected by side and end walls, the body of the flask has imparted therein a gas permeable membr...
07/18/2006
6911339Transparent polymer support for organic synthesis
The invention provides polyol (allyl carbonate) polymer solid supports. The supports can be modified for attachment of a chemical moiety or ligand. A solid support comprising one or more ligands immobilized to a polyol (allyl carbonate) polymer solid support. The so...
06/28/2005
6855542Chamber with adjustable volume for cell culture and organ assist
The invention features modular chambers for culturing cells in which the volume of a chamber can be adjusted without compromising the seal or sterility of the chamber. The invention is based on the principle that the volume of a chamber formed between two plates san...
02/15/2005
6818438Culture flask
A tissue culture flask includes a base, a cover and a cap. The base has a bottom wall and a ramp extending up at an obtuse angle from the bottom wall to the front end of the flask. The flask also includes a sidewall enclosure that extends up from the bottom wall and...
11/16/2004
6569675Cell cultivating flask and method for using the cell cultivating flask
The present invention includes a cell cultivating flask and a method for growing cells within the cell cultivating flask which is configured such that a user can directly access the individual trays or cell growing areas within the cell cultivating flask....
05/27/2003
6403369Cell culture vessel
A vessel for growing tissues, cells, microorganisms and the like is provided. The vessel includes a body, which defines an interior chamber, and at least one aperture in the body for permitting fluid communication between the interior chamber and the exte...
06/11/2002
6255101Seal for reagent flask usable by a blood analyzer
The invention concerns a seal for closing the neck of a flask. The seal comprises a stopper with a central coaxial channel for passage of an injection and/or sampling needle, this channel being sealed by at least one ball with a diameter slightly greater ...
07/03/2001
6210959Apparatus for the cultivation and concentration of non-adherent cells as well as for co-cultivation of two different cell species
For avoidance of cell aggregation and damage to the cells as well as for a reduction of the risk of contamination, an apparatus for the cultivation and concentration of non-adherent cells as well as for the co-culture of two different cell species consist...
04/03/2001
6114165Universal tissue culture flask
The present invention improves performance of a flask used for microorganism, cell and tissue culture. The flask is composed of culture chamber, a wide oblong opening and a closure unit. The wide oblong opening eliminates the bottle neck restriction of co...
09/05/2000
6074871Cell-culture reactor having a porous organic polymer membrane
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated with a compatibilizing compound. Compatibilizing compounds may include proteins, phosphorylcholin...
06/13/2000
5939314Distributed pore chemistry in porous organic polymers in tissue culture flasks
A method for making a biocompatible polymer article using a uniform atomic oxygen treatment is disclosed. The substrate may be subsequently optionally grated with a compatibilizing compound. Compatibilizing compounds may include proteins, phosphorylcholin...
08/17/1999
5801054Cell culture vessel with self-maintained atmosphere
A cell culture device is described comprising a gas permeable vessel which contains one or more self contained carbon dioxide generators and which is attached to a closure closing a gas permeable cell culture flask. Located in the closure is a gas permeab...
09/01/1998
5783440Culture vessel
A vessel assembly for culturing cells wherein a breaker wall zone is provided in the opening of the vessel to minimize media beach or travel into the neck from the vessel body....
07/21/1998
5766936Reusable vented flask cap cover
A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided fo...
06/16/1998
5707869Compartmentalized multiple well tissue culture plate
A cell culture device comprising a container having a plurality of wells. Each well includes a cell culture compartment defined by a lower gas permeable film and an upper sheet selectively permeable to compounds of selected sizes. The device allows cultur...
01/13/1998
5693537Compartmentalized tissue culture flask
A cell culture device comprising a container having a cell culture compartment defined by a lower gas permeable film and an upper sheet selectively permeable to compounds of selected sizes. The device is adapted to allow culture medium to reside between t...
12/02/1997
5672505Insert for a issue culture vessel
An insert of the present invention for a tissue culture bottle with a neck includes a neck adapter with provision for mounting a suspending arm. One end of the suspending arm mounts in the insert and the other end has a holder for a specimen or a pluralit...
09/30/1997
5618731Culture slide assembly
The present invention is a chamber slide assembly having a base member, a cooperable vessel comprising a chamber and a neck wherein said vessel is removably attached to the base and a movable lever attached to the vessel for separating the vessel from the...
04/08/1997
5565353Perfusable culture device
The present application relates generally to methods and devices allowing for high density tissue culture techniques to be practiced. Specifically, the application relates to a perfusable culture device which allows for the maintenance of high-density tis...
10/15/1996
5482854Growth environment assembly and method of use thereof
A method and assembly for treating living and non-living biological environments with varying doses of fluids in vitro. The assembly comprises a vessel, a closure and a tubular membrane extending from the closure and suspended into the vessel to provide r...
01/09/1996
5391496Culturing vessel and closure assembly
A vessel and closure assembly for culturing cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of the incubator. A plug is provided fo...
02/21/1995
5358872Vessel and closure assembly
A vessel and closure assembly for culturing mammalian cells wherein a gas permeable membrane is provided in the closure to allow rapid and uniform equilibration of gases between the atmosphere of the vessel and the atmosphere of an incubator. Removable th...
10/25/1994
5310676Cell cultivating device
A cell cultivating device comprising superposed, separate partition wall members forming mutually spaced partition walls, which define superposed chambers for containing a cell cultivating medium therebetween. The superposed partition wall members each co...
05/10/1994
5272084Cell culture vessels having interior ridges and method for cultivating cells in same
The disclosed invention relates generally to laboratory ware, and specifically to laboratory ware and method for cultivating biological cell cultures within the laboratory ware. Cell culture vessels are disclosed providing enhanced cell yields for epithel...
12/21/1993
5262326Multiplate subculture solid media devices
A multiplate subculture solid media device is provided with a connection for internal flow communication with a liquid medium culture bottle. The device includes a large transparent screw cap on one face thereof to gain easy access to the plurality of med...
11/16/1993
5139952Tissue culture flask
A tissue culture flask includes a container main body comprising a box having a bottom surface for supporting a substance to be cultured, a side surface, and an upper surface. A cylindrical neck is provided on the side surface of the container main body t...
08/18/1992
5112957Method and apparatus for washing solid media
A method is described for safely and effectively washing solid gels or films containing biological macromolecules such as proteins or nucleic acids. The method involves placing the gels in an open plastic container and decanting a wash solution horizontal...
05/12/1992
4968623Cell culture apparatus
Cell Culture apparatus provides a surface for cell culture, the surface being formed from the group of diamond-like carbon, pyrolytic carbon, glassy carbon and turbostratic carbon. The surface may be part of the container for the culture medium or the sur...
11/06/1990
4939151Adherent cell culture flask
An adherent cell culture flask is provided. The flask includes a body constructed from a first side wall and a second side wall, each side wall having an interior surface and an exterior surface. The first and second side walls are sealed together to defi...
07/03/1990
4935371Sterilizable gas permeable container for use in culturing living cells
A container for use in culturing living cells includes an enclosable portion, or base, and a cover for enclosing the enclosable portion, a path defined between the junction of the enclosable portion and the cover and a gas permeable filter positioned with...
06/19/1990
4927764Tissue culture flask
A tissue culture flask having a flat bottom wall with optical properties on the inner surface of which cells are grown. A top wall opposite the bottom wall has a large opening therethrough which provides access to the growing surface for the removal of ce...
05/22/1990
4851351Culture vessel
A culture vessel used for microorganism culture, cell culture, tissue culture and the like, which has features with regard to a shape of the opening neck for enabling to perform various operations such as introduction of a culture area solution and insert...
07/25/1989
4770854Laboratory flask
A laboratory flask includes a body and a canted neck at one end joined to the main surface by an inclined ramp. The neck diameter is maximized and along with the ramp allows the user excellent accessibility to the four corners of the flask end wall with a...
09/13/1988
4534483Culture flask closure
A cell-culture flask which may be readily charged under sterile conditions, having a cap capable of covering its neck opening and an orientation strip attached to the flask at one end and to the cap at the opposite end; the orientation strip supports the ...
08/13/1985
4334028Flask
In a flask suitable for tissue or micro-organism culture, having top and bottom walls, a pair of similar side walls, a closed end wall, a second end wall having an opening therein, a tubular open neck in sealing engaged at one end with the second end wall...
06/08/1982
4073695Leighton tube
A Leighton tube assembly designed for the growth of tissue cultures and their preservation comprising a tube, a cover slip and a means to close said tube. The tube, made from two injection molded pieces welded together, has a chamber toward its closed end...
02/14/1978
 
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