Patent ID: 11945773
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 11:
12. A composition comprising a compound represented by formula (1):, , wherein
R1 is a chlorine atom, a bromine atom, an iodine atom, or SR, wherein R is a hydrogen atom or a hydrocarbon group,
R2 and R3 are hydrogen atoms,
X is an oxygen atom,
R4 and R5 are fluorine atoms,
R6 is a C1-6 alkyl group, a haloalkyl group, or an aryl group; and a compound represented by formula (5):

MFn  (5),, wherein
M is a cation, and n is an integer corresponding to the valence of M;, the composition having a fluorine ion content concentration of more than 0 mg/L and 1000 mg/L or less.