Quaternary ammonium salts

Details Quaternary ammonium salts Quaternary ammonium salts

2004-02-06

2008-08-12

Davis, Brian J (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C564S293000, C564S294000

Reexamination Certificate

active

07411092

ABSTRACT:
A quatemary ammonium salt of the following formula (1):in-line-formulae description="In-line Formulae" end="lead"?{(R1)a(R2)b(R3)c(R4OCH2CH2OCH2CH2)dN}+.A−  (1)in-line-formulae description="In-line Formulae" end="tail"?[wherein, R1, R2and R3may be mutually the same or different and represent an alkyl group having 1 to 4 carbon atoms or analkyloxyethyl group of the formula (2):in-line-formulae description="In-line Formulae" end="lead"?R5OCH2CH2—  (2)in-line-formulae description="In-line Formulae" end="tail"?(wherein, R5represents a methyl group or ethyl group), R4represents a methyl group or ethyl group, and any two of R1, R2and R3may mutually bond at the end to form an alkylene chain, a, b and c represent an integer of 0 to 3, d represents an integer of 1 to 4, the sum of a, b and c is 3 or less, the sum of a, b, c and d is 4, and A−represents a bis(trifluoromethylsulfonyl)imidate ion [N(SO2CF3)2−], tetrafluoroborate ion (BF4−) or hexafluorophosphate ion (PF6−)].

REFERENCES:
patent: 2002/0015881 (2002-02-01), Nakamura et al.
patent: 2003/0013021 (2003-01-01), Wariishi
patent: 2001-35253 (2001-02-01), None
Database CAPLUS on STN, Acc. No. 2001:933917, Nakamura et al., JP 2001-357896 (Dec. 26, 2001) (abstract).
JP 2001-035253 A (Feb. 9, 2001) English machine translation.

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