Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From organic oxygen-containing reactant
Reexamination Certificate
2007-03-20
2007-03-20
Truong, Duc (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From organic oxygen-containing reactant
C528S271000, C528S361000, C514S001000, C514S025000, C424S193100, C424S194100
Reexamination Certificate
active
10625033
ABSTRACT:
A new class of activated polyalkylene glycol acids and their active ester reagents for conjugation to biopharmaceuticals such as polypeptides, sugars, proteins and therapeutically active small molecules to produce biologically active conjugates of these pharmaceuticals and methods for producing these conjugates.
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Bailon Pascal Sebastian
Won Chee-Youb
Hoffmann-La Roche Inc.
Johnston George W.
Megerditchian Samuel H.
Tramaloni Dennis P.
Truong Duc
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