Title:
ULTRAVIOLET RAY IRRADIATION DEVICE, AND METHOD FOR PURIFYING ORGANIC COMPOUND
Document Type and Number:
WIPO Patent Application WO/2022/224951
Kind Code:
A1
Abstract:
Provided is an ultraviolet ray irradiation device, in which a flow tube through which a substance to be irradiated with ultraviolet ray flows is wound in a spiral manner around a bar-shaped ultraviolet ray source. Also provided is a method for purifying an organic compound that contains an organic lead compound as an impurity, the method comprising: a step for irradiating the organic compound with ultraviolet ray using the ultraviolet ray irradiation device; and a step for removing a lead component that is generated as the result of the irradiation of the organic lead compound with the ultraviolet ray from the organic compound.
Inventors:
ABIKO DAISUKE (JP)
MIURA KIMIHIRO (JP)
ICHINOSE WATARU (JP)
ISOMURA TAKENORI (JP)
MIURA KIMIHIRO (JP)
ICHINOSE WATARU (JP)
ISOMURA TAKENORI (JP)
Application Number:
PCT/JP2022/018147
Publication Date:
October 27, 2022
Filing Date:
April 19, 2022
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
C07C29/74; A62D3/176; B01J19/12; B01J19/24; C07C31/125; A62D101/24
Domestic Patent References:
| WO2003008339A1 | 2003-01-30 |
Foreign References:
| JP2005013839A | 2005-01-20 | |||
| JPH0751401A | 1995-02-28 | |||
| JP2002166270A | 2002-06-11 | |||
| JP2003128630A | 2003-05-08 | |||
| EP0714712A1 | 1996-06-05 | |||
| JP2003506164A | 2003-02-18 | |||
| JP2003128630A | 2003-05-08 |
Attorney, Agent or Firm:
KATO Ryuta et al. (JP)
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