Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Blood proteins or globulins – e.g. – proteoglycans – platelet...
Reexamination Certificate
2009-10-29
2011-11-15
Saunders, David A (Department: 1644)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Blood proteins or globulins, e.g., proteoglycans, platelet...
C424S177100, C530S415000
Reexamination Certificate
active
08058407
ABSTRACT:
The present invention provides a method of removing product-related inactive or partially active species, high molecular weight aggregates, as well as other process-related impurities from preparations of acidic proteins by using ceramic hydroxyapatite chromatography.
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Jennings Priscilla
Luo Yin
Sun Shujun
Saunders David A
Wyeth LLC
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