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Patent Searching and Data


Title:
(CARBOXYLIC ACID-TYPE COMPOUND)-POLYMER CONJUGATE HAVING BIOLOGICAL ACTIVITY, AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2019/189876
Kind Code:
A1
Abstract:
Provided are: a novel conjugate of a carboxylic acid-type compound having a biological activity with a polymer having a carboxy group, wherein the carboxylic acid-type compound is represented by formula (I) as defined in the description, can be minutely controlled with respect to the sustained release rate thereof, and can be sustainably released even when the compound is a drug comprising a carboxylic acid-type compound having a biological activity in which the vicinity of a carbonyl group is three-dimensionally crowded; and a method for producing the conjugate.

Inventors:
KOBAYASHI Nobuo (6-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
ADACHI Kenta (6-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
NAMATSU Kenichi (6-1 Marunouchi 1-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
Application Number:
JP2019/014328
Publication Date:
October 03, 2019
Filing Date:
March 29, 2019
Export Citation:
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Assignee:
SEIKAGAKU CORPORATION (6-1 Marunouchi 1-chome, Chiyoda-ku Tokyo, 05, 〒1000005, JP)
International Classes:
C08B37/08; A61K47/61
Domestic Patent References:
WO2015005458A12015-01-15
WO2018199174A12018-11-01
Foreign References:
JP2009508852A2009-03-05
Attorney, Agent or Firm:
TSUKUNI & ASSOCIATES et al. (Kojimachi Business Center, 5-3-1 Kojimachi, Chiyoda-k, Tokyo 83, 〒1020083, JP)
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