US3883596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine and sulfur-containing compositions
Assignee: Pennwalt Corp
•
Filing: 1974-04-08
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Granted: 1975-05-13
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Expires: 1994-04-08
Abstract
Abstract The invention concerns epoxides and alcohols of the structures AND
Inventors
- 👤 Robert Bonner Hager
- 👤 Sameeh Said Toukan
- 👤 Gerald Joseph Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:19
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/16; C07D203/20; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/14; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/288; C08G18/2885; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08G65/00; C08G65/02; C08G65/26; C08G65/2636; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/09; D21H17/11; Y; Y10; Y10S; Y10S528/00; Y10S528/905
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
15 words
A TWIN-TAILED ALCOHOL OF THE STRUCTURE: (R$CH2)NSCH2)2 CHOH WHEREIN N IS 1-12 IS SELECTED FROM.
Claim 2
Dependent Claim
15 words
A TWIN-TAILED ALCOHOL OF THE STRUCTURE: (R$CH2)NSCH2)2 CHOH WHEREIN N IS 1-12 IS SELECTED FROM.
Claim 3
Dependent Claim
10 words
An alcohol according to claim 1 wherein n is 2.
Claim 4
Dependent Claim
10 words
An alcohol according to claim 1 wherein Rf is perfluoroalkyl.
Claim 5
Dependent Claim
10 words
An alcohol according to claim 3 wherein n is 2.
Claim 6
Dependent Claim
7 words
An alcohol of the structure ((CF3)2CF(CF2)6(CH2)2SCH2) 2CHOH.
Claim 7
Dependent Claim
7 words
An alcohol of the structure ((CF3)2CF(CF2)6(CH2)2SCH2) 2CHOH.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |