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Patent Searching and Data


Title:
NOVEL COPOLYMER
Document Type and Number:
WIPO Patent Application WO/2022/168967
Kind Code:
A1
Abstract:
The present invention provides a novel copolymer utilizable for a drug delivery technique. More specifically, provided is a novel copolymer for a drug delivery carrier targeting a tumor. This copolymer comprises structural units shown by the following formulae (A), (B), and (C). [In the formulae, R1, R2, and R3 are the same or different and each represent a hydrogen atom or a C1-3 alkyl group; R4 represents a C1-3 alkyl group; R5 represents a hydrogen atom, a C1-18 alkyl group, an optionally substituted, 3- to 8-membered cycloalkyl group, an adamantyl group, an optionally substituted C6-18 aryl group, or an optionally substituted, 5- to 10-membered heteroaryl group; X1, X2, and X3 are the same or different and each represent an oxygen atom, a sulfur atom, or N-R7; R6 represents a hydrogen atom, a leaving group, or a linker; R7 represents a hydrogen atom or a C1-3 alkyl group; m is an integer of 1-100; and n is an integer of 0-3.]

Inventors:
KANAYA RYO (JP)
SUZUKI KENICHI (JP)
CHIDA TSUKASA (JP)
FUJIMAKI NOBUHIRO (JP)
SHINKAI MARINA (JP)
MIURA SEIJI (JP)
Application Number:
PCT/JP2022/004592
Publication Date:
August 11, 2022
Filing Date:
February 07, 2022
Export Citation:
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Assignee:
KOWA CO (JP)
International Classes:
C08F290/06; A61K47/58; C08F220/10; C08F220/26
Foreign References:
JP2017198919A2017-11-02
JP2016122174A2016-07-07
JP2012108460A2012-06-07
JP2017105722A2017-06-15
JP2003231648A2003-08-19
JP3270592B22002-04-02
Other References:
H. CABRAL ET AL., NAT. NANOTECHNOL., vol. 6, 2011, pages 815 - 823
JOSE A. POMPOSO, SINGLE-CHAIN POLYMER NANOPARTICLES:SYNTHESIS, CHARACTERIZATION, SIMULATIONS, AND APPLICATIONS, 2017
Attorney, Agent or Firm:
THE PATENT CORPORATE BODY ARUGA PATENT OFFICE (JP)
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