Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of... – Method of culturing cells in suspension
Reexamination Certificate
2003-10-16
2009-08-11
Flood, Michele C. (Department: 1655)
Chemistry: molecular biology and microbiology
Animal cell, per se ; composition thereof; process of...
Method of culturing cells in suspension
C435S243000, C435S253600, C435S255210, C435S256800, C435S325000, C435S404000, C435S431000
Reexamination Certificate
active
07572632
ABSTRACT:
Methods and compositions involving nutritive media, media supplements, media subgroup and buffer formulations are provided. Powder buffer formulations that produce particular ionic and pH conditions upon reconstitution with a solvent are also disclosed. Methods of producing these media, media supplements, media subgroups and buffer formulations as well as kits and methods for cultivation of procaryotic and eukaryotic cells (including human cells) are also provided. Also disclosed are methods of producing sterile powdered media, media supplements, powdered growth factors, media subgroup and buffer formulations. Methods of sterilization include gamma irradiation. Methods for producing dry cell powders where spray-drying a cell suspension may be used are disclosed. Cells, media, media supplements, media subgroups and buffer powders produced by these methods are also disclosed.
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Lif
Biddle William
Fike Richard
Whitford William
Flood Michele C.
Life Technologies Corporation
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