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:
Aug. 09, 2016
Filed:
Dec. 19, 2011
Yasufumi Yamamura, Otsu, JP;
Kazuhiro Tanahashi, Otsu, JP;
Megumi Nakanishi, Otsu, JP;
Masaki Fujita, Otsu, JP;
Yasufumi Yamamura, Otsu, JP;
Kazuhiro Tanahashi, Otsu, JP;
Megumi Nakanishi, Otsu, JP;
Masaki Fujita, Otsu, JP;
Toray Industries, Inc., , JP;
Abstract
Biodegradable particles for medical use and a vascular embolization material have improved flexibility, cause less aggregation among particles, and have improved particle shape-recovering ability after passing through a catheter or the like. The biodegradable particles for medical use are composed of an A1-B-A2 type triblock copolymer, wherein A1 and A2 are each a block of biodegradable copolymer constituted of monomers including glycolic acid, lactic acid and 6-hydroxycaproic acid, and B is a block of water-soluble polymer.