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:
Jul. 10, 2001
Filed:
Jan. 10, 2000
Applicant:
Inventors:
Kunio Takaoka, Matsumoto-shi, Nagano-ken, JP;
Naoto Saito, Matsumoto, JP;
Takao Okada, Kakogawa, JP;
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/817 ; A61K 4/734 ; C08G 6/306 ; C08G 6/308 ;
U.S. Cl.
CPC ...
A61K 3/817 ; A61K 4/734 ; C08G 6/306 ; C08G 6/308 ;
Abstract
The present invention offers biomaterials exhibiting excellent sustained-release property and degradation property such as that polypeptides or the like having a biological activity can be continuously released for a prescribed life span in vivo. The said biomaterials consist of a copolymer prepared by the reaction of lactic acid and/or glycolic acid and p-dioxanone with polyethylene glycol as main components.