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. 19, 2013
Filed:
Sep. 10, 2010
Hiroyuki Kato, Yokohama, JP;
Isao Umeda, Yokohama, JP;
Kazuo Watanabe, Tokyo, JP;
Kazuya Hirata, Kawasaki, JP;
Akio Ishiguro, Tokyo, JP;
Tetsu Go, Chiba, JP;
Hiroyuki Kato, Yokohama, JP;
Isao Umeda, Yokohama, JP;
Kazuo Watanabe, Tokyo, JP;
Kazuya Hirata, Kawasaki, JP;
Akio Ishiguro, Tokyo, JP;
Tetsu Go, Chiba, JP;
Ebara Corporation, Tokyo, JP;
Abstract
A method of producing water-insoluble anti-cancer drug in the form of particulates, the method including preparing a water-insoluble anti-cancer drug having at least one multiple bond in the structure, and irradiating said water-insoluble anti-cancer drug with a laser beam having a wavelength of a low absorption portion in the vicinity of the foot of an absorption curve on the long wavelength side within the absorption band until said water-insoluble anti-cancer drug is formed into particulates having an average particle diameter of 50 to 200 nm.