Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Manfred Reiter, Vienna AT

Manfred Reiter, Vienna AT

Patent application numberDescriptionPublished
20080274138Formulation 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
20080286307Two-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
20090181423SUBSTANTIALLY 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
20090215123Method 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
20090253178RECOMBINANT 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
20090258391RECOMBINANT 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
20100120093Method 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
20100221828RECOMBINANT 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
20100239606Two-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
20100239609Formulation 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
20100317055Recombinant 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
20110076719Substantially 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
20110081680Animal 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
20110081722ANIMAL 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
20110086411Method 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 d04-14-2011
20110086413Cell 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
20110104758RECOMBINANT 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
20110151512OLIGOPEPTIDE-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

Patent applications by Manfred Reiter, Vienna AT