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Title:
DRUG SOLUTION PURIFICATION METHOD AND DRUG SOLUTION
Document Type and Number:
WIPO Patent Application WO/2019/044914
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a drug solution purification method with which it is possible to obtain a drug solution exhibiting excellent impairment suppression performance. The present invention also addresses the problem of providing a drug solution. The drug solution purification method according to the present invention is for obtaining a drug solution through filtration of a to-be-purified material containing an organic solvent, wherein the contained amount of a stabilizing agent in the to-be-purified material is not less than 0.1 ppm by mass but less than 100 ppm by mass with respect to the total mass of the to-be-purified material.

Inventors:
KAMIMURA Tetsuya (4000 Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 96, 〒4210396, JP)
YOSHIDOME Masahiro (4000, Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 02, 〒4210302, JP)
KAWADA Yukihisa (4000, Kawashiri, Yoshida-cho, Haibara-gu, Shizuoka 02, 〒4210302, JP)
Application Number:
JP2018/031979
Publication Date:
March 07, 2019
Filing Date:
August 29, 2018
Export Citation:
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Assignee:
FUJIFILM CORPORATION (26-30, Nishiazabu 2-chome Minato-k, Tokyo 20, 〒1068620, JP)
International Classes:
C11D7/50; B01D61/14; C07B63/00; C07B63/04; C07C7/00; C07C7/20; C07C9/14; C07C29/74; C07C29/94; C07C31/10; C07C41/34; C07C41/46; C07C43/04; C07C43/13; C07C45/78; C07C45/86; C07C49/04; C07C49/395; C07C49/403; C07C67/48; C07C67/62; C07C69/14; C07C69/68; C07C69/708; C07D307/33; G03F7/004; H01L21/304
Domestic Patent References:
WO2017038933A12017-03-09
WO2018043690A12018-03-08
WO2018051716A12018-03-22
Foreign References:
JP2000290224A2000-10-17
JP2009132756A2009-06-18
JPH1036893A1998-02-10
Attorney, Agent or Firm:
WATANABE Mochitoshi et al. (XYMAX Iwamoto-cho Building 6F, 3-3 Iwamoto-cho 2-chome, Chiyoda-k, Tokyo 32, 〒1010032, JP)
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