Title:
精製方法
Document Type and Number:
Japanese Patent JP7096958
Kind Code:
B2
Abstract:
A refining method according to the present invention is a refining method for crystallizing a compound with at least one crystal form, including setting, as a target wavelength and a target temperature, a specific infrared wavelength and a specific temperature at which a specific crystal form precipitates from a solution of the compound dissolved in a solvent, and using an infrared radiation apparatus capable of emitting infrared radiation including the target wavelength to evaporate the solvent and precipitate the specific crystal form while irradiating the solution with infrared radiation including the target wavelength and adjusting a temperature of the solution to the target temperature.
Inventors:
Kenmitsu Fujiuchi
Daiki Kato
Yoshio Kondo
Yamada Kazunari
Daiki Kato
Yoshio Kondo
Yamada Kazunari
Application Number:
JP2022517274A
Publication Date:
July 06, 2022
Filing Date:
July 06, 2021
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
B01D9/02; C07C59/86; C07D223/26; C07D277/56
Domestic Patent References:
| JP2004504596A | ||||
| JP2012529537A | ||||
| JP2005524595A | ||||
| JP2017512781A |
Foreign References:
| WO2018034305A1 |
Attorney, Agent or Firm:
Aitec International Patent Office