Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Recombinant dna technique included in method of making a...
Reexamination Certificate
2011-06-28
2011-06-28
Huynh, Phuong (Department: 1644)
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Recombinant dna technique included in method of making a...
C435S070100, C435S320100, C435S326000, C435S364000, C435S365000, C435S372100, C536S023530
Reexamination Certificate
active
07968313
ABSTRACT:
This invention is in the general field of recombinant expression of polypeptides in animal cell culture. More particularly, the invention concerns improved selection in cells of recombinantly engineered vectors designed to express polypeptides.
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Bianchi Allison A.
McGrew Jeffrey T.
Amgen Inc.
Huynh Phuong
Mohr Randolph N.
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