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Class 435/246 - Foam culture


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Subject matter wherein media of the process is in the form
No. of patents: 32
Last issue date: 07/24/2012


NumberTitleIssue Date
8227233Method of making foamed mycelium structure
A method of making a molded part, including forming a liquid aggregate from a mixture of finely ground aggregate and a fluid. A mixture of a fungal inoculum and the liquid aggregate is formed. Nanoparticles are homogenously distributed throughout the mixture. The mi...
07/24/2012
7795000Foaming composition of competitive exclusion microbes and methods of using same
The present invention relates to a composition including a microbial component and a foaming component, wherein the composition can be used to prevent the proliferation, or otherwise competitively exclude the continued growth of, undesirable microbes. The present in...
09/14/2010
7244770Method for evaluating an optimal dosage of defoamers in a fermentation process
Methods suitable for selecting optimal defoamers for use in fermentation processes are described wherein the methods comprise: (a) determining an amount of each of two or more defoamers which provides a requisite dynamic surface tension of at most 50 mN/m at a parti...
07/17/2007
6528305Method of producing infectious reovirus
A simple and efficient method of producing mammalian reovirus is developed using HEK 293 cells. The method provides for fast production of reovirus in high yield. Furthermore, this method provides for a simpler purification procedure of the produced reovi...
03/04/2003
6365149Porous tissue scaffoldings for the repair or regeneration of tissue
The present patent describes a three-dimensional interconnected open cell porous foams that have a gradient in composition and/or microstructure through one or more directions. These foams can be made from a blend of absorbable and biocompatible polymers ...
04/02/2002
6335191Automated system and method for growing bacteria
An automated system and method is provided for cultivating bacteria in a fluid medium and thereafter selectively discharging the fluid medium, wherein an initial supply of the selected strain or strains of bacteria is combined with nutrients and water in ...
01/01/2002
6146892Fibrillar matrices
Methods and compositions are described that provide three-dimensional fibrillar matrices useful as, among other things, structural prosthetics and scaffolds for cells. The porous fibrillar matrices of the present invention have desirable mechanical proper...
11/14/2000
6057268Solid form compositions for treating natural bodies of water
Solid form compositions for the treatment of natural bodies of water comprising A) a quantity of beneficial aerobic microorganisms that will control at least one of an organic pollutant, an algae, and a weed in at least a portion of said body of water; an...
05/02/2000
6022727Method for forming reversible colloidal gas or liquid aphrons and compositions produced
A method for forming gas or liquid aphrons with reversible surfactants or emulsifiers is described. Polymers which change their emulsifying properties upon change of pH, temperature or other condition are used to form the aphrons. The aphrons are useful f...
02/08/2000
5714379Biodegradation of volatile organic contaminants from air using biologically activated foam
A bioreactor is disclosed which degrades volatile organic contaminants (VOCs) from air using biologically activated foam. The reactor includes a foam generator, a reaction pipe in fluid communication with the foam generator and a defoamer in fluid communi...
02/03/1998
5690825Filtration method and apparatus
An expansible, compressed foam is used a s a filter medium and captured particulates are released from the foam by expanding the foam to open its pores. Micro-organisms such as Cryptosporidium or Giardia cysts may be trapped and recovered at high eficienc...
11/25/1997
5686091Biodegradable foams for cell transplantation
A structurally rigid biodegradable foam scaffold useful for cell transplantation is provided. The foam can be loaded with nutrients and/or drugs that elute from the foam during transplant to promote growth of the cells. The foam, which features a continuo...
11/11/1997
5616493Method for foam bioprocess
A biological process includes the step of producing a substantially continuous foam of gas bubbles in a liquid capable of undergoing a biological process utilizing prokaryotic or eukaryotic cells. The cells are introduced into the foam after the foam is p...
04/01/1997
5362635Process for the production of an amino acid using a fermentation apparatus
Amino acid fermentation is conducted by fermenting bacterial cells in a culture medium in a fermentor and separating fermentation solution withdrawn from the fermentor into a solution containing said bacterial cells and a solution not containing bacterial...
11/08/1994
5338670Production of bordetella pertussis toxin with a low concentration of iron
A fermentation level cultivation of Bordetella pertussis bacteria on commercial scale is described. The critical factors in large scale cultivation of the bacteria are the presence of an antifoam agent and maintaining proper oxygen level and iron content ...
08/16/1994
5288789Foam control in fermentation broths with a condensate of alkylphenol and aldehyde that has been polyoxyalkylated
A method is disclosed for controlling foam in a fermentation broth by adding to the fermentation broth an effective amount of a composition comprising a compound corresponding to the formula: ##STR1## wherein AO is an oxyalkylene copolymer moiety of ...
02/22/1994
5266481Fermentation broth degassification
A post-fermentation degassing technique is provided which is directed for use in degassing foamed fermentation broths containing cultured microorganisms. Such a broth is charged while pressurized first through a heat exchanger to cool same, and then throu...
11/30/1993
5149652Fermentation broth degassification
A post-fermentation degassing technique is provided for use in degassing foamed fermentation broths containing cultured microorganisms. Such a broth is charged while pressurized through a nozzle to form a spray suspension in a gaseous spray chamber locate...
09/22/1992
5024937Method for processing aqueous fermentation broths
A method for processing aqueous fermentation broths in a bioreactor vessel, in which a foam inhibitor is added to the fermentation broth in the bioreactor vessel in order to prevent the accumulation and buildup of foam in the bioreactor vessel caused by o...
06/18/1991
4987082Control of foam build up in a fermenter
The use of a probe for the control of foam build up in a fermenter, which probe comprises a guard electrode (13), first and second insulators (14 and 15) separated by the guard electrode, a detecting electrode (12) separated from the guard electrode by th...
01/22/1991
4931397Method for removing antifoaming agents during processing of microbial fermentations
Antifoaming agents are commonly used during culturing of enzyme-producing microorganisms. These antifoams often persist through enzyme processing, slowing filtrations, clogging filtration membranes and adversely affecting the quality of the final product....
06/05/1990
4900553Method of reducing glial scar formation and promoting axon and blood vessel growth and/or regeneration through the use of activated immature astrocytes
The present invention relates to "activated" immature astrocytes and methods of utilizing the activated immature astrocytes to reduce secondary necrosis and scar formation in central nervous system tissue as well as to promote axon and/or blood vessel gro...
02/13/1990
4795708Novel backteria and single cell protein production therewith
Single cell protein (SCP) is produced at high yields from a novel methanol assimilating Methylomonas sp. grown at elevated temperatures in an aerobic bacterial fermentation process....
01/03/1989
4752564Fermentation method and apparatus
A process for the production of microbial cells by fermentation of carbonaceous material in a foam fermenter containing an oxygen-enriched nutrient medium. The process uses a source of carbon which is assimilable by the microorganism for the production of...
06/21/1988
4654305Multiphase reactor systems based on foams for simultaneous growth and separation of products
A nutrient gas is introduced into a liquid nutrient formulation. The resulting nutrient media is a foam. The bubble size of the gas phase is between 0.1 to 200 microns and the foam is 40-80% voids....
03/31/1987
4622303Defoamers for yeast fermentation
Troublesome foaming in the fermentation of yeast is suppressed by the addition of polyglycol ethers which are derived from saturated and monounsaturated C16 -C18 fatty alcohols and which contain on an average of from 1 to 4 ethylene ...
11/11/1986
4576915Strains of Rhizobium phaseoli and preparation of cyclic (1.fwdarw.2)-ଲ -
Novel strains of Rhizobium phaseoli which do not produce acidic extracellular polysaccharides or their constituents, which produces cyclic ଲ-1,2-glucan effectively....
03/18/1986
4443549Production of monoclonal antibodies against bacterial adhesins
Monoclonal antibodies specific for surface antigens of bacteria which act as adhesins between prokaryotic and eukaryotic cells and, in particular, K-99 pili, and methods for production thereof are described. These monoclonal antibodies may be used for the...
04/17/1984
4340677Fermentation process
An organism rich fluid is withdrawn from a foam fermenting apparatus by collecting and withdrawing the fluid from the foam breaker. In another embodiment the fluid from the foam breaker inside of the fermentor is subjected to a liquid/solid centrifugal ac...
07/20/1982
4041180Introducing gases into fermentation liquids
The bubbling of poorly soluble gases into fermentation liquids either for the replenishment of dissolved oxygen or for removal of excess super-saturated CO2 can lead to severe foaming problems, particularly in deep fermentation vessels. The pre...
08/09/1977
3982998Methanol foam fermentation to single cell protein by microorganisms
A process for the production of microbial cells by fermenting a carbonaceous material in a foam fermenter containing an oxygen-enriched nutrient medium. The process uses a source of carbon which is assimilable by the microorganism for the production of th...
09/28/1976
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
 
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