US4278552A
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Fluorine-containing betaine compounds, and production and use thereof
Assignee: Daikin Industries Ltd
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Filing: 1979-04-12
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Granted: 1981-07-14
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Expires: 1999-04-12
Abstract
Abstract A fluorine-containing betaine compound of the formula: <IMAGE> wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: <IMAGE> (wherein R4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf-A-, R2 and R3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4, which is useful as an additive to a foam fire-extinguishing composition for polar organic liquids.
Inventors
- 👤 Iwao Hisamoto
- 👤 Naonori Enjo
- 👤 Chiaki Maeda
- 👤 Takasige Esaka
- 👤 Yukio Omure
- 👤 Toshihiko Iida
- 👤 Hideki Aomi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:56
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0064; C; C07; C07C; C07C229/00; C07C229/02; C07C229/04; C07C229/06; C07C229/08; C07C229/10; C07C229/12; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/06
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
121 words
A fluorine-containing betaine compound of the formula: ##STR33## wherein Rf is polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR34## (wherein R 4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4.
Claim 2
Dependent Claim
121 words
A fluorine-containing betaine compound of the formula: ##STR33## wherein Rf is polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR34## (wherein R 4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4.
Claim 3
Dependent Claim
184 words
A process for preparing fluorine-containing betaine compounds which comprises reacting a fluorine-containing diamine compound of the formula: ##STR35## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR36## (wherein R 4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms and m is an integer of 2 to 6 with a halogen-substituted alkanoic acid having 2 to 5 carbon atoms or its salt or an alkanolactone having 3 to 5 carbon atoms to obtain a fluorine-containing betaine compound of the formula: ##STR37## wherein Rf, A, R 1 , R 2 , R 3 and m are each as defined above and n is an integer of 1 to 4.
Claim 4
Dependent Claim
184 words
A process for preparing fluorine-containing betaine compounds which comprises reacting a fluorine-containing diamine compound of the formula: ##STR35## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR36## (wherein R 4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms and m is an integer of 2 to 6 with a halogen-substituted alkanoic acid having 2 to 5 carbon atoms or its salt or an alkanolactone having 3 to 5 carbon atoms to obtain a fluorine-containing betaine compound of the formula: ##STR37## wherein Rf, A, R 1 , R 2 , R 3 and m are each as defined above and n is an integer of 1 to 4.
Claim 5
Dependent Claim
135 words
An additive to a foam fire-extinguishing agent for polar organic liquids which comprises a fluorine-containing betaine compound of the formula: ##STR38## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR39## (wherein R 4 is a hydrogen atom or an acyl group having 2 to 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4.
Claim 6
Dependent Claim
135 words
An additive to a foam fire-extinguishing agent for polar organic liquids which comprises a fluorine-containing betaine compound of the formula: ##STR38## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR39## (wherein R 4 is a hydrogen atom or an acyl group having 2 to 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4.
Claim 7
Dependent Claim
161 words
A foam fire-extinguishing composition for polar organic liquids which comprises an aqueous solution of a partially hydrolyzed protein and, as an additive contained therein, 0.1 to 30% by weight based on the original liquid of the protein solution of a fluorine-containing betaine compound of the formula: ##STR40## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR41## (wherein R 4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4.
Claim 8
Dependent Claim
161 words
A foam fire-extinguishing composition for polar organic liquids which comprises an aqueous solution of a partially hydrolyzed protein and, as an additive contained therein, 0.1 to 30% by weight based on the original liquid of the protein solution of a fluorine-containing betaine compound of the formula: ##STR40## wherein Rf is a polyfluoroalkyl group having 3 to 21 carbon atoms, A is a group of the formula: ##STR41## (wherein R 4 is a hydrogen atom or an acyl group having 2 or 3 carbon atoms and p is an integer of 1 to 5), R 1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms or a group of the formula: Rf--A--, R 2 and R 3 are each a hydrogen atom, an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group having 1 to 3 carbon atoms, m is an integer of 2 to 6 and n is an integer of 1 to 4.
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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) | 1984-07-13 | 1985-01-12 | 1985-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-07-13 | 1989-01-12 | 1989-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-07-13 | 1993-01-12 | 1993-07-14 | $7700.00 | Window Closed / Lapsed |