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US4356296A
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Fluorinated diacrylic esters and polymers therefrom
Assignee: United States Department of the Navy
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Filing: 1981-02-25
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Granted: 1982-10-26
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Expires: 2001-02-25
Abstract
Abstract A diacrylate monomer represented by the formula: ##STR1## wherein R represent CF 3 or C 2 F 5 , R' represents --H or --sub.3, R" represents H or --(CF 2 ) n F, and n is an integer from 1 to 10, and polymer therefrom.
Inventors
- 👤 James R. Griffith
- 👤 Jacques G. O'Rear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:14
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/26; C08F20/30; A; A61; A61K; A61K6/00; A61K6/80; A61K6/884; A61K6/887
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
49 words
The polymer obtained from polymerizing a fluorodiacrylic ester represented by the formula: ##STR3## where R represents --CF 3 or --C 2 F 5 , R' represents --H or --CH 3 , R" represents --H or --(CF 2 ) n R, and n is an integer from 1 to 10.
Claim 2
Dependent Claim
49 words
The polymer obtained from polymerizing a fluorodiacrylic ester represented by the formula: ##STR3## where R represents --CF 3 or --C 2 F 5 , R' represents --H or --CH 3 , R" represents --H or --(CF 2 ) n R, and n is an integer from 1 to 10.
Claim 3
Dependent Claim
9 words
The polymer of claim 1 wherein R' represents --H.
Claim 4
Dependent Claim
14 words
The polymer of claim 1 wherein n is an integer from 3 to 7.
Claim 5
Dependent Claim
9 words
The polymer of claim 3 wherein n represents 3.
Claim 6
Dependent Claim
11 words
The polymer of claim 3 wherein n represents 5 or 7.
Claim 7
Dependent Claim
11 words
The polymer of claim 3 wherein R' represents --CH 3 .
Claim 8
Dependent Claim
11 words
The polymer of claim 6 wherein R represents --CF 3 .
Claim 9
Dependent Claim
12 words
The polymer of claim 7 wherein n represents 3, 5, or 7.
Claim 10
Dependent Claim
22 words
The polymer of claim 2 wherein n is an integer from 3 to 7 and R represents --C 2 F 5 .
Claim 11
Dependent Claim
12 words
The polymer of claim 9 wherein n is 3, 5, or 7.
References Cited (Backward Citations)
US2830078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-25 | 1986-04-26 | 1986-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-25 | 1990-04-26 | 1990-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-25 | 1994-04-26 | 1994-10-26 | $7700.00 | Window Closed / Lapsed |