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:
Nov. 03, 1987
Filed:
Aug. 02, 1984
Applicant:
Inventor:
Koji Kifune, Nara, JP;
Assignee:
Unitika Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424488 ;
Abstract
A method for the manufacture of a biodegradable drug donor capable of gradually releasing a drug to a living body and the drug donor made thereby are described, said method comprising dissolving a chitin in a solvent to thereby prepare a dope, bringing said dope into contact with a liquid coagulant to thereby form a swelled mass containing said chitin, impregnating said chitin-containing swelled mass with a solution containing a drug, and subsequently drying the impregnated swelled mass.