US4638089A
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Fluorine-containing quaternary ammonium compounds and their production
Assignee: Daikin Industries Ltd
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Filing: 1981-04-24
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Granted: 1987-01-20
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Expires: 2001-04-24
Abstract
Abstract A fluorine-containing quaternary ammonium compound of the formula: <IMAGE> wherein Rf is a fluorine-containing straight or branched aliphatic hydrocarbon or polyether group, R1, R2 and R3 are each a C1-C21 straight or branched alkyl, hydroxyalkyl or alkenyl group or a substituted or unsubstituted aryl or aralkyl group, R4 is a hydrogen atom or a acyl group, X- is an anion and n is an integer of 1 to 3, having a capability of reducing the surface tension of water and the interfacial tension between water and oil.
Inventors
- 👤 Iwao Hisamoto
- 👤 Chiaki Maeda
- 👤 Mitsuhiro Nishiwaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:35
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0071; A62D1/0085
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
63 words
A fluorine-containing quaternary ammonium compound of the formula: ##STR8## wherein R f is a fluorine-containing aliphatic hydrocarbon or polyether group, R 1 , R 2 and R 3 are each an alkyl, hydroxyalkyl alkenyl group aryl or aralkyl group, R 4 is a hydrogen atom or an acyl group, X - is an anion and n is an integer of 1 to 3.
Claim 2
Dependent Claim
63 words
A fluorine-containing quaternary ammonium compound of the formula: ##STR8## wherein R f is a fluorine-containing aliphatic hydrocarbon or polyether group, R 1 , R 2 and R 3 are each an alkyl, hydroxyalkyl alkenyl group aryl or aralkyl group, R 4 is a hydrogen atom or an acyl group, X - is an anion and n is an integer of 1 to 3.
Claim 3
Dependent Claim
26 words
The compound according to claim 1, wherein X - is an anion of halide, hydroxylate, alkoxylate, carboxylate, phenoxide, sulfonate, sulfate, sulfite, phosphate, carbonate, alkylsulfate or alkylsulfite.
Claim 4
Dependent Claim
53 words
The compound according to claim 1, wherein X - is chlorine, bromine, iodine, SO 4 R 5 in which R 5 is a C 1 -C 3 alkyl group or SO 3 R 6 in which R 6 is a C 1 -C 3 alkyl group or a substituted or unsubstituted phenyl group.
Claim 5
Dependent Claim
28 words
The compound according to claim 1, wherein R f is a fluorine-containing straight or branched, saturated or unsaturated aliphatic hydrocarbon group having not more than 21 carbon atoms.
Claim 6
Dependent Claim
22 words
The compound according to claim 1, wherein R f is a fluorine-containing aliphatic polyether group having not more than 20 carbon atoms.
Claim 7
Dependent Claim
50 words
The compound according to claim 5, wherein the fluorine-containing aliphatic polyether group is a group of the formula: ##STR9## in which R f ' is a C 1 -C 3 perfluoroalkyl group, X' is a fluorine atom or a trifluoromethyl group and m is an integer of 0 to 4.
Claim 8
Dependent Claim
13 words
The compound of claim 4, wherein said fluorine-containing quaternary ammonium compound is ##STR10##
Claim 9
Dependent Claim
79 words
A composition represented by the formula: ##STR11## wherein R f is a perfluorinated polyether group, R 1 , R 2 and R 3 are each an alkyl group having not more than 21 carbon atoms or an aryl group with the proviso that at least two of R 1 , R 2 and R 3 are methyl or ethyl; X - is a halogen anion chosen from the group consisting of chloride, bromide and iodide and n is 1.
Claim 10
Dependent Claim
79 words
A composition represented by the formula: ##STR11## wherein R f is a perfluorinated polyether group, R 1 , R 2 and R 3 are each an alkyl group having not more than 21 carbon atoms or an aryl group with the proviso that at least two of R 1 , R 2 and R 3 are methyl or ethyl; X - is a halogen anion chosen from the group consisting of chloride, bromide and iodide and n is 1.
Claim 11
Dependent Claim
25 words
The composition of claim 8, wherein R 1 , R 2 and R 3 are each methyl radicals and X - represents a chlorine anion.
Claim 12
Dependent Claim
31 words
The composition of claim 8, wherein R 1 and R 2 are each chosen from the group consisting of methyl and ethyl hydrocarbon radicals and R 3 is an aryl group.
References Cited (Backward Citations)
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| 3.5 Years (Year 4) | 1990-01-19 | 1990-07-21 | 1991-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-01-19 | 1994-07-21 | 1995-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-01-19 | 1998-07-21 | 1999-01-20 | $7700.00 | Window Closed / Lapsed |