Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2008-04-29
2008-04-29
Gulakowski, Randy (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S054100, C525S162000, C424S178100
Reexamination Certificate
active
11051009
ABSTRACT:
A process for efficiently preparing polymer conjugates such as branched PEG-polypeptide conjugates, in large scale without column chromatography clean up of the activated PEG linkers to remove impurities is disclosed.
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Adler, legal representative Susan
Wu Dechun
Zhao Hong
Asinovsky Olga
Enzon Pharmaceuticals, Inc.
Gulakowski Randy
Lucas & Mercanti LLP
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