US3976698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine and sulfur-containing compositions
Assignee: Arkema Inc
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Filing: 1974-04-08
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Granted: 1976-08-24
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Expires: 1994-04-08
Abstract
Abstract The invention concerns epoxides and alcohols of the structures ##EQU1## and [R.sub.f (CH.sub.2).sub.n SCH.sub.2 ].sub.2 CHOH and various derivatives thereof useful in leather and textile treatment.
Inventors
- 👤 Robert Bonner Hager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:44
CPC Classifications
C; C07; C07D; C07D203/00; C07D203/04; C07D203/06; C07D203/08; C07C; C07C323/00; C07C323/23; C07C323/24; C07C323/25; C07D203/10; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/2805; C08G18/288; C08G18/2885; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/09
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
64 words
An amine of the structure: ##EQU2## where n is 1-12 and R f is selected from the group consisting of CF 3 (CF 2 ) y , (CF 3 ) 2 CF(CF 2 ) y and (CF 3 ) 2 CFO(CF 2 ) y where y is an integer of 1 to 14, and R and R' are independently hydrogen, alkyl or substituted alkyl.
Claim 2
Dependent Claim
64 words
An amine of the structure: ##EQU2## where n is 1-12 and R f is selected from the group consisting of CF 3 (CF 2 ) y , (CF 3 ) 2 CF(CF 2 ) y and (CF 3 ) 2 CFO(CF 2 ) y where y is an integer of 1 to 14, and R and R' are independently hydrogen, alkyl or substituted alkyl.
Claim 3
Dependent Claim
10 words
An amine according to claim 1 wherein n is 2.
Claim 4
Dependent Claim
17 words
An amine according to claim 2 wherein R f is CF 3 (CF 2 ) y .
Claim 5
Dependent Claim
12 words
An amine according to claim 3 wherein R and R' are hydrogens.
Claim 6
Dependent Claim
13 words
An amine according to claim 3 wherein R and R' are alkyl groups.
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) | 1979-08-24 | 1980-02-23 | 1980-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-24 | 1984-02-23 | 1984-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-24 | 1988-02-23 | 1988-08-24 | $7700.00 | Window Closed / Lapsed |