US4472294A
Expired / Lapsed
US
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Fluorine-containing compounds, and surface-tension lowering agent containing same
Assignee: Daikin Industries Ltd
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Filing: 1982-01-29
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Granted: 1984-09-18
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Expires: 2002-01-29
Abstract
Abstract A fluorine-containing compound of the formula: <IMAGE> (I) wherein Rf is a C3-C21 fluorine-containing group; R is a hydrogen atom or a C1-C4 acyl group; Q is an aliphatic or aromatic hydrocarbon group having not more than twenty-one carbon atoms; and n is an integer of 1 to 10 lowers the surface tensions of water and/or organic liquids and the interfacial tensions between them.
Inventors
- 👤 Iwao Hisamoto
- 👤 Chiaki Maeda
- 👤 Mitsuhiro Nishiwaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:29
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/20; C07C43/23; A; A62; A62D; A62D1/00; A62D1/0028; A62D1/0035; A62D1/0042; C07C323/00; C07C43/03; C07C43/04; C07C43/13; C07C43/137; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/905; Y10S516/917; Y10S516/918; Y10S516/92; Y10S526/00; Y10S526/911; Y10S8/00; Y10S8/907
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
118 words
A fluorine-containing compound of the formula: ##STR27## wherein Rf is a C 3 -C 21 fluorine-containing group; R is a hydrogen atom or a C 1 -C 4 acyl group; Q is an alkyl, alkenyl, polyoxyalkylene or aromatic hydrocarbon group which is optionally substituted with at least one substituent selected from the group consisting of fluorine, hydroxyl, C 1 -C 5 alkyl, phenyl, C 7 -C 10 aralkyl, C 7 -C 21 alkylaryl, C 1 -C 15 alkoxy, C 1 -C 5 alkanoyl, C 1 -C 10 alkylamino and C 1 -C 5 alkylthio and the total number of the carbon atoms of which is not more than 42; and n is an integer of 1 to 10.
Claim 2
Dependent Claim
118 words
A fluorine-containing compound of the formula: ##STR27## wherein Rf is a C 3 -C 21 fluorine-containing group; R is a hydrogen atom or a C 1 -C 4 acyl group; Q is an alkyl, alkenyl, polyoxyalkylene or aromatic hydrocarbon group which is optionally substituted with at least one substituent selected from the group consisting of fluorine, hydroxyl, C 1 -C 5 alkyl, phenyl, C 7 -C 10 aralkyl, C 7 -C 21 alkylaryl, C 1 -C 15 alkoxy, C 1 -C 5 alkanoyl, C 1 -C 10 alkylamino and C 1 -C 5 alkylthio and the total number of the carbon atoms of which is not more than 42; and n is an integer of 1 to 10.
Claim 3
Dependent Claim
16 words
The compound according to claim 1 wherein Rf is a C 5 -C 21 fluorine-containing group.
Claim 4
Dependent Claim
12 words
The compound according to claim 1 wherein R is a hydrogen atom.
Claim 5
Dependent Claim
16 words
The compound according to claim 1 wherein R is a C 1 -C 4 acyl group.
Claim 6
Dependent Claim
16 words
The compound according to claim 1 wherein Q is an alkyl group or an alkenyl group.
Claim 7
Dependent Claim
12 words
The compound according to claim 1 wherein Q is a polyoxyalkylene group.
Claim 8
Dependent Claim
19 words
The compound according to claim 6 wherein the degree of polymerization of the polyoxyalkylene group is at least 3.
Claim 9
Dependent Claim
19 words
The compound according to claim 6, wherein the degree of polymerization of the polyoxyalkylene group is at least 5.
Claim 10
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR28##
Claim 11
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR29##
Claim 12
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR30##
Claim 13
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR31##
Claim 14
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR32##
Claim 15
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR33##
Claim 16
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR34##
Claim 17
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR35##
Claim 18
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR36##
Claim 19
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR37##
Claim 20
Dependent Claim
11 words
A fluorine-containing compound according to claim 1 of the formula: ##STR38##
Claim 21
Dependent Claim
129 words
A surface-tension lowering agent for water and/or organic liquids consisting essentially of a compound of the formula: ##STR39## wherein Rf is a C 3 -C 21 fluorine-containing group; R is a hydrogen atom or a C 1 -C 4 acyl group; Q is an alkyl, alkenyl, polyoxyalkylene or aromatic hydrocarbon group which is optionally substituted with at least one substituent selected from the group consisting of fluorine, hydroxyl, C 1 -C 5 alkyl, phenyl, C 7 -C 10 aralkyl, C 7 -C 21 alkylaryl, C 1 -C 15 alkoxy, C 1 -C 5 alkanoyl, C 1 -C 10 alkylamino and C 1 -C 5 alkylthio and the total number of the carbon atoms of which is not more than 42; and n is an integer of 1 to 10.
Claim 22
Dependent Claim
129 words
A surface-tension lowering agent for water and/or organic liquids consisting essentially of a compound of the formula: ##STR39## wherein Rf is a C 3 -C 21 fluorine-containing group; R is a hydrogen atom or a C 1 -C 4 acyl group; Q is an alkyl, alkenyl, polyoxyalkylene or aromatic hydrocarbon group which is optionally substituted with at least one substituent selected from the group consisting of fluorine, hydroxyl, C 1 -C 5 alkyl, phenyl, C 7 -C 10 aralkyl, C 7 -C 21 alkylaryl, C 1 -C 15 alkoxy, C 1 -C 5 alkanoyl, C 1 -C 10 alkylamino and C 1 -C 5 alkylthio and the total number of the carbon atoms of which is not more than 42; and n is an integer of 1 to 10.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-09-18 | 1988-03-19 | 1988-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-09-18 | 1992-03-19 | 1992-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-09-18 | 1996-03-19 | 1996-09-18 | $7700.00 | Window Closed / Lapsed |