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. 20, 2001
Filed:
Apr. 11, 2000
Applicant:
Inventors:
Soo-Chang Song, Seoul, KR;
Youn Soo Sohn, Seoul, KR;
Bae Hoon Lee, Seoul, KR;
Sang Beom Lee, Seoul, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 7/902 ;
U.S. Cl.
CPC ...
C08G 7/902 ;
Abstract
The present invention relates to novel biodegradable polyphosphazenes represented by Formula 1 and a preparation method thereof. Polyphosphazenes of the present invention not only have thermosensitivity and biodegradability simultaneously, but also their phase transition temperature and degradation rate can be controlled.