Title:
DIFLUOROPHOSPHATE PREPARATION METHOD
Document Type and Number:
WIPO Patent Application WO/2023/177257
Kind Code:
A1
Abstract:
Provided in one embodiment of the present invention is a difluorophosphate preparation method comprising the steps of: injecting, into a reactor, a phosphorus compound, a nonaqueous solvent, and an alkali metal salt, which is a phosphate, borate, oxide or hydroxide of an alkali metal, thereby generating dichlorophosphate; injecting an ammonium-containing fluorinating agent into the dichlorophosphate, thereby preparing a reaction product; and removing impurities from the reaction product and obtaining difluorophosphate.
Inventors:
SONG BYEONG HAK (KR)
LEE SEOK JONG (KR)
HA JONG WOOK (KR)
JUNG KWANG JU (KR)
CHOI MIN SIK (KR)
PARK HEE GEUN (KR)
SEO HYUNG JIN (KR)
LEE SEOK JONG (KR)
HA JONG WOOK (KR)
JUNG KWANG JU (KR)
CHOI MIN SIK (KR)
PARK HEE GEUN (KR)
SEO HYUNG JIN (KR)
Application Number:
PCT/KR2023/003585
Publication Date:
September 21, 2023
Filing Date:
March 17, 2023
Export Citation:
Assignee:
SOULBRAIN CO LTD (KR)
CMDL CO LTD (KR)
CMDL CO LTD (KR)
International Classes:
C01B25/455; C01D15/00; H01M10/0525; H01M10/0567
Foreign References:
| CN103259040A | 2013-08-21 | |||
| US8153820B2 | 2012-04-10 | |||
| KR102300438B1 | 2021-09-09 | |||
| KR20170139507A | 2017-12-19 | |||
| KR101925051B1 | 2019-02-22 |
Attorney, Agent or Firm:
JIDAM IP LAW FIRM (KR)
Download PDF:
Previous Patent: ELECTRONIC DEVICE COMPRISING FLEXIBLE DISPLAY
Next Patent: FLEXIBLE VACUUM ULTRAVIOLET IONIZER FOR VACUUM CHAMBER
Next Patent: FLEXIBLE VACUUM ULTRAVIOLET IONIZER FOR VACUUM CHAMBER