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. 26, 2002
Filed:
Jan. 06, 1999
Applicant:
Inventors:
J. Milton Harris, Huntsville, AL (US);
Xuan Zhao, Huntsville, AL (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/15 ; C08L 5/00 ; A61K 9/14 ; C12N 1/102 ;
U.S. Cl.
CPC ...
C08K 5/15 ; C08L 5/00 ; A61K 9/14 ; C12N 1/102 ;
Abstract
A heterobifunctional poly(ethylene glycol) is provided having a hydrolytically degradable linkage, a first terminus comprising an acrylate group, and a second terminus comprising a target such as a protein or pharmaceutical agent or a reactive moiety capable of coupling to a target. Hydrogels can be prepared. The hydrogels can be used as a carrier for a protein or a pharmaceutical agent that can be readily released in a controlled fashion.