Patent application number | Description | Published |
20080274138 | Formulation of Sugar Solutions for Continuous Ultracentrifugation for Virus Purification - The present invention provides a method for purification of a virus or virus antigen comprising providing a virus preparation and centrifugation of said virus preparation in a gradient of a sugar established by the addition of two or more buffered sugar layers of different concentration. The method leads to higher yields and reduces unwanted aggregation of the virus or virus antigen by increasing the volume of the peak pool. | 11-06-2008 |
20080286307 | Two-Step Temperature Profile for the Propagation of Viruses - The present invention provides a method for the production of a virus. The method includes providing a host cell that has been infected by the virus and cultivating the infected host cell at two different temperatures. The virus produced by the cultivation steps is subsequently collected. By using the dual temperature cultivation process, high titer and improved purity can be obtained. | 11-20-2008 |
20090181423 | SUBSTANTIALLY ANIMAL PROTEIN-FREE RECOMBINANT FURIN AND METHODS FOR PRODUCING SAME - The present invention relates to recombinant furin (rFurin) and methods for producing rFurin. More specifically, the invention relates to substantially animal protein-free rFurin and methods for producing substantially animal protein-free rFurin. | 07-16-2009 |
20090215123 | Method for Producing Continuous Cell Lines - The present invention relates to a method for production of continuous cell lines comprising providing living cells of an animal or a human, irradiating said cells with UV light, proliferating said cells and selecting multiplying cells as cells of a continuous cell line. | 08-27-2009 |
20090253178 | RECOMBINANT CELL CLONES HAVING INCREASED STABILITY AND METHODS OF MAKING AND USING THE SAME - Disclosed are a stable recombinant cell clones which are stable in serum- and protein-free medium for at least 40 generations, a biomass obtained by multiplying the stable cell clone under serum- and protein-free culturing conditions, and a method of preparing recombinant proteins by means of the biomass. Furthermore, the invention relates to a method of recovering stable recombinant cell clones. | 10-08-2009 |
20090258391 | RECOMBINANT CELL CLONES HAVING INCREASED STABILITY AND METHODS OF MAKING AND USING SAME - Disclosed are a stable recombinant cell clones which are stable in serum- and protein-free medium for at least 40 generations, a biomass obtained by multiplying the stable cell clone under serum- and protein-free culturing conditions, and a method of preparing recombinant proteins by means of the biomass. Furthermore, the invention relates to a method of recovering stable recombinant cell clones. | 10-15-2009 |
20100120093 | Method of Producing Serum-Free Insulin-Free Factor VII - The invention provides methods and compositions for the serum-free, insulin-free production of recombinant Factor VII. | 05-13-2010 |
20100221828 | RECOMBINANT CELL CLONES HAVING INCREASED STABILITY AND METHODS OF MAKING AND USING THE SAME - Disclosed are a stable recombinant cell clones which are stable in serum- and protein-free medium for at least 40 generations, a biomass obtained by multiplying the stable cell clone under serum- and protein-free culturing conditions, and a method of preparing recombinant proteins by means of the biomass. Furthermore, the invention relates to a method of recovering stable recombinant cell clones. | 09-02-2010 |
20100239606 | Two-Step Temperature Profile for the Propagation of Viruses - The present invention provides a method for the production of a virus. The method includes providing a host cell that has been infected by the virus and cultivating the infected host cell at two different temperatures. The virus produced by the cultivation steps is subsequently collected. By using the dual temperature cultivation process, high titer and improved purity can be obtained. | 09-23-2010 |
20100239609 | Formulation of Sugar Solutions for Continuous Ultracentrifugation for Virus Purification - The present invention provides a method for purification of a virus or virus antigen comprising providing a virus preparation and centrifugation of said virus preparation in a gradient of a sugar established by the addition of two or more buffered sugar layers of different concentration. The method leads to higher yields and reduces unwanted aggregation of the virus or virus antigen by increasing the volume of the peak pool. | 09-23-2010 |
20100317055 | Recombinant Cell Clones Having Increased Stability and Methods of Making and Using the Same - Disclosed are a stable recombinant cell clones which are stable in serum- and protein-free medium for at least 40 generations, a biomass obtained by multiplying the stable cell clone under serum- and protein-free culturing conditions, and a method of preparing recombinant proteins by means of the biomass. Furthermore, the invention relates to a method of recovering stable recombinant cell clones. | 12-16-2010 |
20110076719 | Substantially Animal Protein-Free Recombinant Furin and Methods for Producing the Same - The present invention relates to recombinant furin (rFurin) and methods for producing rFurin. More specifically, the invention relates to substantially animal protein-free rFurin and methods for producing substantially animal protein-free rFurin. | 03-31-2011 |
20110081680 | Animal Protein-Free Media For Cultivation of Cells - The present invention relates to animal protein-free cell culture media comprising polyamines and a plant- and/or yeast-derived hydrolysate. The invention also relates to animal protein-free culturing processes, wherein cells can be cultivated, propagated and passaged without adding supplementary animal proteins in the culture medium. These processes are useful in cultivating cells, such as recombinant cells or cells infected with a virus, and for producing biological products by cell culture processes. | 04-07-2011 |
20110081722 | ANIMAL PROTEIN-FREE MEDIA FOR CULTIVATION OF CELLS - The present invention relates to animal protein-free cell culture media comprising polyamines and a plant- and/or yeast-derived hydrolysate. The invention also relates to animal protein-free culturing processes, wherein cells can be cultivated, propagated and passaged without adding supplementary animal proteins in the culture medium. These processes are useful in cultivating cells, such as recombinant cells or cells infected with a virus, and for producing biological products by cell culture processes. | 04-07-2011 |
20110086411 | Method of Producing a Polypeptide or Virus of Interest in a Continuous Cell Culture - Described herein is a chemostat-like continuous cell culture system that combines certain advantages of perfusion open systems and chemostat open systems to improve the culturing of mammalian cells, e.g., genetically modified cells, particularly in serum-free or chemically-defined media. The continuous culture system described herein involves culturing mammalian cells in a continuous cell culture system, which comprises a cell retention device, wherein the cell culture system has a dilution rate (D) of less than about 2 d | 04-14-2011 |
20110086413 | Cell Culture Medium For ADAMTS Protein Expression - The present invention provides culture mediums that are useful for the expression of ADAMTS proteins, such as ADAMTS13. Methods for the expression and purification of ADAMTS proteins are also provided. In some embodiments, the mediums and methods of the invention are useful for the expression of ADAMTS proteins having high specific activities. Also provided are ADAMTS, e.g., ADAMTS13, protein compositions with high specific activities, which are expressed and purified according to the methods provided herein. | 04-14-2011 |
20110104758 | RECOMBINANT CELL CLONES HAVING INCREASED STABILITY AND METHODS OF MAKING AND USING THE SAME - Disclosed are a stable recombinant cell clones which are stable in serum- and protein-free medium for at least 40 generations, a biomass obtained by multiplying the stable cell clone under serum- and protein-free culturing conditions, and a method of preparing recombinant proteins by means of the biomass. Furthermore, the invention relates to a method of recovering stable recombinant cell clones. | 05-05-2011 |
20110151512 | OLIGOPEPTIDE-FREE CELL CULTURE MEDIA - The present invention relates to oligopeptide-free cell culture media comprising at least 0.5 mg/L of a polyamine and to methods for cultivating cells in said oligopeptide-free cell culture media comprising at least 0.5 mg/L of a polyamine. The invention also relates to methods for expressing at least one protein in a medium comprising at least 0.5 mg/L of a polyamine and to methods for producing at least one virus in a medium comprising at least 0.5 mg/L of a polyamine. | 06-23-2011 |
20110217772 | ANIMAL PROTEIN FREE MEDIA FOR CULTIVATION OF CELLS - The present invention relates to animal protein free cell culture media comprising a combination of non-animal derived peptides derived from soy hydrolysate and yeast hydrolysate. The invention also provides an animal protein free culture process, wherein cells are cultivated, propagated and passaged without animal-derived components. This process is useful for cultivating cells, such as recombinant cells or cells infected with a virus, and for production biological products by cell culture processes under conditions devoid of animal protein components. | 09-08-2011 |
20110287482 | MEDIUM FOR THE PROTEIN-FREE AND SERUM-FREE CULTIVATION OF CELLS - A medium is described for the protein-free and serum-free cultivation of cells, especially mammalian cells, whereby the medium contains a proportion of soy hydrolysate. | 11-24-2011 |
20120003691 | METHOD OF ISOLATION AND PURIFICATION OF TRYPSIN FROM PRONASE PROTEASE AND USE THEREOF - The present invention provides methods of isolation and purification of Streptomyces griseus trypsin (SGT) from PRONASE protease mixture in a single affinity chromatography step and uses of the purified SGT. | 01-05-2012 |
20120034674 | METHOD OF PRODUCING RECOMBINANT ADAMTS13 IN CELL CULTURE - Among other aspects, the present invention relates to cell culture conditions for producing high molecular weight vWF, in particular, highly multimericWF with a high specific activity and ADAMTS13 with a high specific activity. The cell culture conditions of the present invention can include, for example, a cell culture medium with an increased copper concentration and/or cell culture supernatant with a low ammonium (NH | 02-09-2012 |
20120035110 | METHOD OF PRODUCING RECOMBINANT HIGH MOLECULAR WEIGHT vWF IN CELL CULTURE - Among other aspects, the present invention relates to cell culture conditions for producing high molecular weight vWF, in particular, highly multimericWF with a high specific activity and ADAMTS13 with a high specific activity. The cell culture conditions of the present invention can include, for example, a cell culture medium with an increased copper concentration and/or cell culture supernatant with a low ammonium (NH | 02-09-2012 |
20130071906 | CELL CULTURE MEDIUM FOR ADAMTS PROTEIN EXPRESSION - The present invention provides culture mediums that are useful for the expression of ADAMTS proteins, such as ADAMTS13. Methods for the expression and purification of ADAMTS proteins are also provided. In some embodiments, the mediums and methods of the invention are useful for the expression of ADAMTS proteins having high specific activities. Also provided are ADAMTS, e.g., ADAMTS13, protein compositions with high specific activities, which are expressed and purified according to the methods provided herein. | 03-21-2013 |
20130078261 | ENVELOPED VIRUS VACCINE AND METHOD FOR PRODUCTION - The present invention provides methods of production of a purified enveloped virus antigen. In particular, it provides purified Ross River Virus (RRV) antigens, and vaccines comprising purified, inactivated Ross River Virus (RRV) antigen. | 03-28-2013 |
20130230919 | ANIMAL PROTEIN-FREE MEDIA FOR CULTIVATION OF CELLS - The present invention relates to animal protein-free cell culture media comprising polyamines and a plant- and/or yeast-derived hydrolysate. The invention also relates to animal protein-free culturing processes, wherein cells can be cultivated, propagated and passaged without adding supplementary animal proteins in the culture medium. These processes are useful in cultivating cells, such as recombinant cells or cells infected with a virus, and for producing biological products by cell culture processes. | 09-05-2013 |
20130316434 | Animal Protein Free Media for Cultivation of Cells - The present invention relates to animal protein free cell culture media comprising a combination of non-animal derived peptides derived from soy hydrolysate and yeast hydrolysate. The invention also provides an animal protein free culture process, wherein cells are cultivated, propagated and passaged without animal-derived components. This process is useful for cultivating cells, such as recombinant cells or cells infected with a virus, and for production biological products by cell culture processes under conditions devoid of animal protein components. | 11-28-2013 |
20130344535 | Virus Filtration of Cell Culture Media - The invention relates to a method for removing a viral contaminant from a preparation, being a cell culture medium or at least a component of a cell culture medium. The method comprises subjecting said preparation to filtration for at least about 24 hours through a virus filter having an effective pore size of maximum about 75 nm. Further, the invention relates to the use of a virus filter in filtration of at least about 24 hours, wherein the virus filter has an effective pore size of maximum about 75 nm for the removal of viral contaminant from a preparation, being a cell culture medium or at least a component of a cell culture medium. In some embodiments the filtration according to the invention operates at a volumetric capacity of at least about 2000 L/m | 12-26-2013 |
20140038264 | METHOD OF PRODUCING A POLYPEPTIDE OR VIRUS OF INTEREST IN A CONTINUOUS CELL CULTURE - Described herein is a chemostat-like continuous cell culture system that combines certain advantages of perfusion open systems and chemostat open systems to improve the culturing of mammalian cells, e.g., genetically modified cells, particularly in serum-free or chemically-defined media. The continuous culture system described herein involves culturing mammalian cells in a continuous cell culture system, which comprises a cell retention device, wherein the cell culture system has a dilution rate (D) of less than about 2 d | 02-06-2014 |
20140329294 | CELL CULTURE MEDIUM FOR ADAMTS PROTEIN EXPRESSION - The present invention provides culture mediums that are useful for the expression of ADAMTS proteins, such as ADAMTS13. Methods for the expression and purification of ADAMTS proteins are also provided. In some embodiments, the mediums and methods of the invention are useful for the expression of ADAMTS proteins having high specific activities. Also provided are ADAMTS, e.g., ADAMTS13, protein compositions with high specific activities, which are expressed and purified according to the methods provided herein. | 11-06-2014 |
20150018525 | METHOD OF PRODUCING RECOMBINANT HIGH MOLECULAR WEIGHT vWF IN CELL CULTURE - Among other aspects, the present invention relates to cell culture conditions for producing high molecular weight vWF, in particular, highly multimericWF with a high specific activity and ADAMTS13 with a high specific activity. The cell culture conditions of the present invention can include, for example, a cell culture medium with an increased copper concentration and/or cell culture supernatant with a low ammonium (NH | 01-15-2015 |
20150056657 | METHOD OF PRODUCING RECOMBINANT HIGH MOLECULAR WEIGHT vWF IN CELL CULTURE - Among other aspects, the present invention relates to cell culture conditions for producing high molecular weight vWF, in particular, highly multimericWF with a high specific activity and ADAMTS13 with a high specific activity. The cell culture conditions of the present invention can include, for example, a cell culture medium with an increased copper concentration and/or cell culture supernatant with a low ammonium (NH | 02-26-2015 |
20150072414 | METHOD FOR PRODUCING CONTINUOUS CELL LINES - The present invention relates to a method for production of continuous cell lines comprising providing living cells of an animal or a human, irradiating said cells with UV light, proliferating said cells and selecting multiplying cells as cells of a continuous cell line. | 03-12-2015 |
20150072415 | MEDIUM FOR THE PROTEIN-FREE AND SERUM-FREE CULTIVATION OF CELLS - A medium is described for the protein-free and serum-free cultivation of cells, especially mammalian cells, whereby the medium contains a proportion of soy hydrolysate. | 03-12-2015 |