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. 31, 2009
Filed:
Mar. 13, 2006
Applicant:
Antoni Kozlowski, Huntsville, AL (US);
Inventor:
Antoni Kozlowski, Huntsville, AL (US);
Assignee:
Nektar Therapeutics AL, Corporation, Huntsville, AL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/48 (2006.01); C08G 63/91 (2006.01); C08G 10/00 (2006.01); C08G 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepared in high purity and exhibit storage stability.