US3052723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing n-chlorobis-(trifluoromethyl)amine
Assignee: EIDP Inc
•
Filing: 1959-09-29
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Granted: 1962-09-04
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Expires: 1979-09-29
Abstract
No abstract record available.
Inventors
- 👤 Charles W Tullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:25
CPC Classifications
C; C07; C07C; C07C271/00; C07C271/06; C07C271/08; C07C271/10; C07C271/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PROCESS OF PREPARING N-CHLOROBIS(TRIFLUOROMETHYL)AMINE WHICH COMPRISES HEATING CHLORINE AND BIS (TRIFLUOROMETHYL)AMINE TO A TEMPERATURE OF ABOUT 150* TO ABOUT 400*C., UNDER ESSENTIALLY ANHYDROUS CONDITIONS, IN THE PRESENCE OF A FLUORIDE OF AN ALKALI METAL OF ATOMIC NUMBER 11 THROUGH 55.
Claim 2
Dependent Claim
41 words
A PROCESS OF PREPARING N-CHLOROBIS(TRIFLUOROMETHYL)AMINE WHICH COMPRISES HEATING CHLORINE AND BIS (TRIFLUOROMETHYL)AMINE TO A TEMPERATURE OF ABOUT 150* TO ABOUT 400*C., UNDER ESSENTIALLY ANHYDROUS CONDITIONS, IN THE PRESENCE OF A FLUORIDE OF AN ALKALI METAL OF ATOMIC NUMBER 11 THROUGH 55.
References Cited (Backward Citations)
US2808439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |