US3358033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for dehydrohalogenation of fluoroacetone-hydrogen halide complexes
Assignee: Honeywell International Inc
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Filing: 1964-09-28
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Granted: 1967-12-12
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Louis G Anello
- 👤 Anthony W Yodis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:21
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/51; C07C45/511; C07C45/512; C07C45/515; C07C45/61; C07C45/63; C07C45/78; C07C45/85
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE PROCESS FOR DECOMPOSING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF F3C-C(-X)(-OH)-CF2-X AND F3C-C(-F)(-CF2-CL)-O-C(-OH) (-CF2-CL)-CF3 AND MIXTURES THEREOF, WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE, WHICH COMPRISES CONTACTING SAID COMPOUND WITH SULFUR TRIOXIDE AT TEMPERATURES BETWEEN ABOUT 0*C. AND ABOUT 500*C.
Claim 2
Dependent Claim
48 words
THE PROCESS FOR DECOMPOSING COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF F3C-C(-X)(-OH)-CF2-X AND F3C-C(-F)(-CF2-CL)-O-C(-OH) (-CF2-CL)-CF3 AND MIXTURES THEREOF, WHEREIN X IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE, WHICH COMPRISES CONTACTING SAID COMPOUND WITH SULFUR TRIOXIDE AT TEMPERATURES BETWEEN ABOUT 0*C. AND ABOUT 500*C.
References Cited (Backward Citations)
US3238241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |