Increased dynamic binding capacity in ion exchange...

Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Using a micro-organism to make a protein or polypeptide

Reexamination Certificate

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C435S070100, C530S344000, C530S416000, C530S417000

Reexamination Certificate

active

07998705

ABSTRACT:
The present invention generally relates to novel processes for protein purification in high salt solutions such as cell culture broth by increasing the dynamic binding capacity of a resin with the addition of polyethylene glycol.

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PCT International Search Report dated Feb. 4, 2004 for corresponding PCT Application No. PCT/US03/24485.

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