Chemistry: molecular biology and microbiology – Animal cell – per se ; composition thereof; process of...
Reexamination Certificate
2005-01-11
2005-01-11
Lankford, Jr., Leon B. (Department: 1651)
Chemistry: molecular biology and microbiology
Animal cell, per se ; composition thereof; process of...
C435S286500, C435S288100, C435S298100, C435S298200, C435S304100, C435S395000
Reexamination Certificate
active
06841384
ABSTRACT:
The invention provides an advanced roller bottle system for cell culture that efficiently, continually, and automatically replenishes spent media with fresh media. The roller bottle system optimizes media use by removing spent media in response to a predetermined condition change and replenishing the spent media with fresh.
REFERENCES:
patent: 4912058 (1990-03-01), Mussi et al.
patent: 6323022 (2001-11-01), Chang et al.
Becton Dickinson & Company
Lankford , Jr. Leon B.
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