Chemistry: natural resins or derivatives; peptides or proteins; – Proteins – i.e. – more than 100 amino acid residues – Chemical modification or the reaction product thereof – e.g.,...
Reexamination Certificate
2006-04-26
2010-02-16
Tsang, Cecilia (Department: 1654)
Chemistry: natural resins or derivatives; peptides or proteins;
Proteins, i.e., more than 100 amino acid residues
Chemical modification or the reaction product thereof, e.g.,...
C530S350000, C530S351000, C530S399000
Reexamination Certificate
active
07662933
ABSTRACT:
Provided herein are methods and compositions relating to the attachment of water soluble polymers to proteins. Provided are novel methods for N-terminally modifying proteins or analogs thereof, and resultant compositions, including novel N-terminally chemically modified G-CSF compositions and related methods of preparation. Also provided is chemically modified consensus interferon.
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DePrince Randolph B.
Farrar Christine E.
Gabriel Nancy Elise
Kinstler Olaf B.
Amgen Inc.
Cordero Garcia Marcela M
Marshall & Gerstein & Borun LLP
Tsang Cecilia
LandOfFree
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