Invention Grant
- Patent Title: Particle composition and pharmaceutical composition using particle composition
- Patent Title (中): 使用颗粒组成的颗粒组成和药物组成
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Application No.: US13979546Application Date: 2012-01-16
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Publication No.: US09278075B2Publication Date: 2016-03-08
- Inventor: Kazunori Kataoka , Ronald James Christie , Nobuhiro Nishiyama , Kanjiro Miyata , Shigeto Fukushima , Yu Matsumoto , Takahiro Nomoto , Yasuki Kato
- Applicant: Kazunori Kataoka , Ronald James Christie , Nobuhiro Nishiyama , Kanjiro Miyata , Shigeto Fukushima , Yu Matsumoto , Takahiro Nomoto , Yasuki Kato
- Applicant Address: JP Kashiwa-shi JP Tokyo
- Assignee: NANOCARRIER CO., LTD.,THE UNIVERSITY OF TOKYO
- Current Assignee: NANOCARRIER CO., LTD.,THE UNIVERSITY OF TOKYO
- Current Assignee Address: JP Kashiwa-shi JP Tokyo
- Agency: J-Tek Law PLLC
- Agent Jeffrey D. Tekanic; Scott T. Wakeman
- Priority: JP2011-006318 20110114
- International Application: PCT/JP2012/050683 WO 20120116
- International Announcement: WO2012/096399 WO 20120719
- Main IPC: A61K9/50
- IPC: A61K9/50 ; A61K38/19 ; A61K31/713 ; A61K31/711 ; A61K9/107 ; A61K47/48
Abstract:
A composition of matter for use in encapsulating a drug is expressed by formula (1) or formula (2): wherein R1 and R2 are 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; L1 and L3 are each a linking group; B is a cation-containing group; R3 is 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.
Public/Granted literature
- US20140017328A1 PARTICLE COMPOSITION AND PHARMACEUTICAL COMPOSITION USING PARTICLE COMPOSITION Public/Granted day:2014-01-16
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