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.

Date of Patent:
Sep. 15, 2009

Filed:

Jul. 13, 2005
Applicants:

Eiichi Ueda, Akishima, JP;

Akihisa Nakajima, Sagamihara, JP;

Chiaki Nagaike, Miyakonojo, JP;

Yasuyuki Motokui, Hachioji, JP;

Inventors:

Eiichi Ueda, Akishima, JP;

Akihisa Nakajima, Sagamihara, JP;

Chiaki Nagaike, Miyakonojo, JP;

Yasuyuki Motokui, Hachioji, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 49/00 (2006.01); A61K 49/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method of pereparing a rediographic contrast medium containing liposomes is disclosed, comprising (a) dissolving a phospholipid and a sterol in a supercritical or subcritical carbon dioxide in the presence of a compound containing a hydroxyl group or a polyalkyleneoxide group, (b) adding thereto an aqueous solution containing an iodine compound to form micelles and (c) discharging the carbon dioxide to form liposomal vesicles enclosing the iodine compound.


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