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US4474700A
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β-Substituted polyfluoropropionate salts and derivatives
Assignee: EIDP Inc
•
Filing: 1982-05-20
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Granted: 1984-10-02
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Expires: 2002-05-20
Abstract
Abstract β-substituted polyfluoropropionate salts, derivatives and copolymers and processes for the preparation thereof.
Inventors
- 👤 Carl G. Krespan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:23
CPC Classifications
C; C07; C07C; C07C247/00; C07C255/00; C07C317/00; C07C317/44; C07C323/00; C07C323/50; C07C323/51; C07C323/52; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/42; C08; C08F; C08F216/00; C08F216/12; C08F216/14; C08F216/1408
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
92 words
A β-substituted fluoropropionate salt having the formula: (XCF.sub.2 CFYCO.sub.2).sub.n M wherein X is --N 3 ; Y is --Cl, --F, --Br or --OR F ; R F is perfluoroalkyl, branched or linear, having 1-10 carbon atoms or such perfluoroalkyl having one or more carbon-carbon links interrupted by ether oxygen; M is alkali metal, alkaline earth metal or --NR 1 R 2 R 3 R 4 , wherein R 1 -R 4 are, independently, C 1-6 linear alkyl, allyl or benzyl; and n is the valence of M and is 1 or 2.
Claim 2
Dependent Claim
92 words
A β-substituted fluoropropionate salt having the formula: (XCF.sub.2 CFYCO.sub.2).sub.n M wherein X is --N 3 ; Y is --Cl, --F, --Br or --OR F ; R F is perfluoroalkyl, branched or linear, having 1-10 carbon atoms or such perfluoroalkyl having one or more carbon-carbon links interrupted by ether oxygen; M is alkali metal, alkaline earth metal or --NR 1 R 2 R 3 R 4 , wherein R 1 -R 4 are, independently, C 1-6 linear alkyl, allyl or benzyl; and n is the valence of M and is 1 or 2.
Claim 3
Dependent Claim
9 words
The salt of claim 1 wherein Y is --F.
Claim 4
Dependent Claim
22 words
The salt of claim 1 wherein M is sodium or --NR 1 R 2 R 3 R 4 and n is 1.
Claim 5
Dependent Claim
20 words
The salt of claim 2 wherein M is --NR 1 R 2 R 3 R 4 and n is 1.
Claim 6
Dependent Claim
15 words
The salt of claim 4 wherein R 1 -R 4 are C 1-6 linear alkyl.
Claim 7
Dependent Claim
12 words
The salt of claim 5 wherein R 1 -R 4 are methyl.
Claim 8
Dependent Claim
84 words
The substituted fluorocarbon having the formula: X'CF.sub.2 CFYZ wherein X' is --N 3 ; Y is --Cl, --F, --Br or --OR F ; R F is perfluoroalkyl, branched or linear, having 1-10 carbon atoms or such perfluoroalkyl having one or more carbon-carbon links interrupted by ether oxygen; Z is --COCl, --CO 2 R", --CO 2 H, ##STR37## R" is C 1-6 linear alkyl, allyl or benzyl; m is 0 to 6; p is 1 to 6; and q is 0 or 1 to 5.
Claim 9
Dependent Claim
84 words
The substituted fluorocarbon having the formula: X'CF.sub.2 CFYZ wherein X' is --N 3 ; Y is --Cl, --F, --Br or --OR F ; R F is perfluoroalkyl, branched or linear, having 1-10 carbon atoms or such perfluoroalkyl having one or more carbon-carbon links interrupted by ether oxygen; Z is --COCl, --CO 2 R", --CO 2 H, ##STR37## R" is C 1-6 linear alkyl, allyl or benzyl; m is 0 to 6; p is 1 to 6; and q is 0 or 1 to 5.
Claim 10
Dependent Claim
10 words
The substituted fluorocarbon of claim 7 wherein Y is --F.
Claim 11
Dependent Claim
12 words
The substituted fluorocarbon of claim 8 wherein Z is --CO 2 R".
Claim 12
Dependent Claim
18 words
The substituted fluorocarbon of claim 8 wherein Z is ##STR38## and m is 0 or 1 to 4.
Claim 13
Dependent Claim
10 words
The substituted fluorocarbon of claim 8 wherein Z is ##STR39##
Claim 14
Dependent Claim
10 words
The substituted fluorocarbon of claim 8 wherein Z is ##STR40##
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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) | 1987-10-02 | 1988-04-02 | 1988-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-10-02 | 1992-04-02 | 1992-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-10-02 | 1996-04-02 | 1996-10-02 | $7700.00 | Window Closed / Lapsed |