US2849502A
Expired / Lapsed
US
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1, 1, 1-trifluoro-2-bromo-2-chloroethane and a process of making it
Assignee: Imperial Chemical Industries Ltd
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Filing: 1955-10-10
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Granted: 1958-08-26
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Suckling Charles Walter
- 👤 Raventos James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:23
CPC Classifications
C; C07; C07C; C07C19/00; C07C19/08; C07C19/14; A; A01; A01J; A01J5/00; A01J5/04; C07C17/00; C07C17/093; C07C17/10; C07C17/23
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
THE NEW CHEMICAL COMPOUND 1:1:1 - TRIFLUORO - 2 BROMO-2-CHLOROETHANE.
Claim 2
Dependent Claim
10 words
THE NEW CHEMICAL COMPOUND 1:1:1 - TRIFLUORO - 2 BROMO-2-CHLOROETHANE.
Claim 3
Dependent Claim
45 words
PROCESS FOR THE MANUFACTURE OF 1:1:1-TRIFULORO-2BROMO - 2 - CHLORETHANE WHICH COMPRISES CHLORINATING 1:1:1-TRIFLUORO-2-BROMOETHANE WITH CHLORINE IN THE GASEOUS PHASE AT A TEMPERATURE FROM ABOUT 300* TO 475*C. AND WHEREIN THE MOLAR RATIO OF SAID 1:1:1-TRIFLUORO-2BROMOETHANE TO SAID CHLORINE IS FROM ABOUT 5:1 TO 1:1.
Claim 4
Dependent Claim
45 words
PROCESS FOR THE MANUFACTURE OF 1:1:1-TRIFULORO-2BROMO - 2 - CHLORETHANE WHICH COMPRISES CHLORINATING 1:1:1-TRIFLUORO-2-BROMOETHANE WITH CHLORINE IN THE GASEOUS PHASE AT A TEMPERATURE FROM ABOUT 300* TO 475*C. AND WHEREIN THE MOLAR RATIO OF SAID 1:1:1-TRIFLUORO-2BROMOETHANE TO SAID CHLORINE IS FROM ABOUT 5:1 TO 1:1.
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) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |