US4165338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, their production and use
Assignee: Daikin Industries Ltd
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Filing: 1977-06-16
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Granted: 1979-08-21
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Expires: 1997-06-16
Abstract
Abstract A compound of the formula: <IMAGE> WHEREIN Q is a hydrogen atom, -CH2CH(OH)CH2Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of -O-, -COO-, -NH-, -N= and <IMAGE> IN THE CHAIN, R is a hydrogen atom, a hydrocarbon residue or -CH2CH(OH)CH2Rf and m is an integer of not less than 1, Rf being a perfluoroalkyl group, an omega -hydro-perfluoroalkyl group o an DIFFERENTIAL -chloro-erfluoroalkylgroup having 4 to 20 carbon atoms, which is useful as an agent for rendering fibrous materials oleophobic and anti-soiling and may be prepared by reacting a perfluoroalkylpropylene oxide of the formula: <IMAGE> wherein Rf is the same as defined above, with a reagent of the formula:
Inventors
- 👤 Atsuo Katsushima
- 👤 Iwao Hisamoto
- 👤 Shoshin Fukui
- 👤 Chiaki Maeda
- 👤 Akitoshi Iwatani
- 👤 Takahisa Kato
- 👤 Masayuki Nagai
- 👤 Hiroyuki Shinkai
- 👤 Masayuki Asaoka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/277; C; C08; C08F; C08F8/00; C08F8/18; D06M13/00; D06M13/10; D06M13/224; D06M13/236; D06M13/322; D06M13/368
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
86 words
A compound of the formula: ##STR27## wherein Q is a hydrogen atom, --CH 2 CH(OH)CH 2 Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--, --COO--, --NH--, --N═ and ##STR28## in the chain, R is a hydrogen atom, a hydrocarbon residue or --CH 2 CH(OH)CH 2 Rf and m is an integer of not less than 1, Rf being a perfluoroalkyl group, an ω- hydro-perfluoroalkyl group or an ω-chloro-perfluoroalkyl group having 4 to 20 carbon atoms.
Claim 2
Dependent Claim
86 words
A compound of the formula: ##STR27## wherein Q is a hydrogen atom, --CH 2 CH(OH)CH 2 Rf or a hydrocarbon residue having a valence corresponding to m which may contain one or more of --O--, --COO--, --NH--, --N═ and ##STR28## in the chain, R is a hydrogen atom, a hydrocarbon residue or --CH 2 CH(OH)CH 2 Rf and m is an integer of not less than 1, Rf being a perfluoroalkyl group, an ω- hydro-perfluoroalkyl group or an ω-chloro-perfluoroalkyl group having 4 to 20 carbon atoms.
Claim 3
Dependent Claim
16 words
A quaternary ammonium salt of a compound of claim 1 with an organic or inorganic acid.
Claim 4
Dependent Claim
48 words
The compound according to claim 1 having the formula: ##STR29## wherein R 1 and R 2 are each a hydrogen atom, --CH 2 CH(OH)CH 2 Rf or a hydrocarbon residue, Rf being a perfluoroalkyl group, an ω-hydro-perfluoroalkyl group or an ω-chloro-perfluoroalkyl group having 4 to 20 carbon atoms.
Claim 5
Dependent Claim
21 words
The compound according to claim 3, wherein R 1 and R 2 are each a hydrogen atom or a hydrocarbon residue.
Claim 6
Dependent Claim
28 words
The compound according to claim 3, wherein R 1 is a hydrogen atom or a hydrocarbon residue and R 2 is --CH 2 CH(OH) - CH 2 Rf.
Claim 7
Dependent Claim
19 words
The compound according to claim 3, wherein R 1 and R 2 are each --CH 2 CH(OH)CH 2 Rf.
Claim 8
Dependent Claim
17 words
The compound according to claim 3, wherein R 1 and R 2 are each a hydrogen atom.
Claim 9
Dependent Claim
22 words
The compound according to claim 3, wherein R 1 is a hydrogen atom and R 2 is --CH 2 CH(OH)CH 2 Rf.
Claim 10
Dependent Claim
23 words
The compound of claim 3, wherein said hydrocarbon residue is selected from the group consisting of alkyl, aralkyl, cycloalkyl, aryl, alkylaryl, and alkenyl.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-08-20 | 1983-02-19 | 1983-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-08-20 | 1987-02-19 | 1987-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-08-20 | 1991-02-19 | 1991-08-21 | $7700.00 | Window Closed / Lapsed |