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. 08, 2016
Filed:
Jan. 16, 2012
Kazunori Kataoka, Tokyo, JP;
Ronald James Christie, Tokyo, JP;
Nobuhiro Nishiyama, Tokyo, JP;
Kanjiro Miyata, Tokyo, JP;
Shigeto Fukushima, Tokyo, JP;
Yu Matsumoto, Tokyo, JP;
Takahiro Nomoto, Tokyo, JP;
Yasuki Kato, Kashiwa, JP;
Kazunori Kataoka, Tokyo, JP;
Ronald James Christie, Tokyo, JP;
Nobuhiro Nishiyama, Tokyo, JP;
Kanjiro Miyata, Tokyo, JP;
Shigeto Fukushima, Tokyo, JP;
Yu Matsumoto, Tokyo, JP;
Takahiro Nomoto, Tokyo, JP;
Yasuki Kato, Kashiwa, JP;
NANOCARRIER CO., LTD., Kashiwa-shi, JP;
THE UNIVERSITY OF TOKYO, Tokyo, JP;
Abstract
A composition of matter for use in encapsulating a drug is expressed by formula (1) or formula (2): wherein Rand Rare each independently a hydrogen atom or a substituted or unsubstituted, linear or branched alkyl group having 1 to 12 carbon atoms; A is a hydrophilic polymer chain; Land Lare each a linking group; B is a cation-containing group; Ris a side chain of an amino acid; z is an integer of 5 to 500; x is an integer of 40% or more of z; y is 0 or a positive integer; z-x-y is 0 or a positive integer; p is an integer of 1 to 10; and q is an integer of 1 to 10.