The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2009
Filed:
Mar. 22, 2006
Applicant:
Chee-youb Won, Livingston, NJ (US);
Inventor:
Chee-Youb Won, Livingston, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/34 (2006.01); C08G 65/00 (2006.01);
U.S. Cl.
CPC ...
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.