US3183276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of fluorinated organic compounds
Assignee: Edison SpA
•
Filing: 1961-02-28
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Granted: 1965-05-11
•
Expires: 1981-02-28
Abstract
No abstract record available.
Inventors
- 👤 Vecchio Martino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:47
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; C; C07; C07C; C07C17/00; C07C17/093; C07C17/20; C07C17/202; C07C17/206; C07C17/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A FLUORINATION PROCESS COMPRISING THE STEP OF REACTING A HALOGENATED ALIPHATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ONE AND TWO CARBON CHLORINATED ALKANES AND ALKENES WITH GASEOUS HYDROFLUORIC ACID OVER A THORIUM FLUORIDE CATALYST AT A TEMPERATURE BETWEEN 100 AND 500*C. AND WITH A CONTACT TIME OF LESS THAN 60 SECONDS.
Claim 2
Dependent Claim
52 words
A FLUORINATION PROCESS COMPRISING THE STEP OF REACTING A HALOGENATED ALIPHATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF ONE AND TWO CARBON CHLORINATED ALKANES AND ALKENES WITH GASEOUS HYDROFLUORIC ACID OVER A THORIUM FLUORIDE CATALYST AT A TEMPERATURE BETWEEN 100 AND 500*C. AND WITH A CONTACT TIME OF LESS THAN 60 SECONDS.
References Cited (Backward Citations)
US2005710A
Cited
GB576190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |