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:
Sep. 05, 2017
Filed:
May. 23, 2011
Kazunori Kataoka, Nakano-ku, JP;
Akihiro Kishimura, Arakawa-ku, JP;
Yasutaka Anraku, Bunkyo-ku, JP;
Kanjiro Miyata, Nishitokyo, JP;
Sayan Chuanoi, Bunkyo-ku, JP;
Tomoya Suma, Bunkyo-ku, JP;
Makoto Oba, Bunkyo-ku, JP;
Kazunori Kataoka, Nakano-ku, JP;
Akihiro Kishimura, Arakawa-ku, JP;
Yasutaka Anraku, Bunkyo-ku, JP;
Kanjiro Miyata, Nishitokyo, JP;
Sayan Chuanoi, Bunkyo-ku, JP;
Tomoya Suma, Bunkyo-ku, JP;
Makoto Oba, Bunkyo-ku, JP;
JAPAN SCIENCE AND TECHNOLOGY AGENCY, Saitama, JP;
Abstract
Provided is a method for easily and efficiently producing encapsulated substance vesicles wherein a substance is encapsulated in the cavity of vesicles obtained by polymer self-assembly. Empty vesicles that have membranes comprising a first polymer that is a block copolymer with uncharged hydrophilic segments and a first kind of charged segments and a second polymer with a second kind of charged segments that carry a charge that is the opposite of said first kind of charged segments as well as spaces that are enclosed by said membranes are mixed in an aqueous medium with the substance that is to be encapsulated in the spaces.