US3018306A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of butyryl halides
Assignee: Honeywell International Inc
•
Filing: 1959-06-09
•
Granted: 1962-01-23
•
Expires: 1979-06-09
Abstract
No abstract record available.
Inventors
- 👤 Richard F Sweeney
- 👤 Woolf Cyril
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:24
CPC Classifications
C; C07; C07C; C07C55/00; C07C55/36; C07C55/40; C07C53/00; C07C53/38; C07C53/46; C07C53/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
THE PROCESS FOR DECARBONYLATING A FLUORINATED ORGANIC STARTING MATERIAL OF THE FORMULA CR(CF2)NCOX IN WHICH R IS SELECTED FROM THE GROUP CONSISTING OF OX AND XF2, N IS AN INTEGER FROM 2 TO 3, AND X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE, WHICH PROCESS COMPRISES SUBJECTING SAID STARTING MATERIAL IN GAS PAHSE TO HEATING AT TEMPERATURE SUBSTANTIALLY IN THE RANGE OF 225-500*C. WHILE IN THE PRESENCE OF SOLID ANHYDROUS ALUMINUM FLOURIDE CATALYST FOR A TIME SUFFICIENT TO DECARBONYLATE A SUBSTANTIAL AMOUNT OF SAID STARTING MATERIAL, SAID CATALYST HAVING CRYSTALLITE SIZE NOT SUBSTANTIALLY GREATER THAN 500 ANGSTROM UNITS RADIUS AND HAVING BEEN DERIVED BY REACTION OF ALUMINUM CHLORIDE AND HF, AND RECOVERING REACTION PRODUCT CONTAINING LESS CO THAN SAID STARTING MATERIAL AND BEING OF THE FORMULA
Claim 2
Dependent Claim
129 words
THE PROCESS FOR DECARBONYLATING A FLUORINATED ORGANIC STARTING MATERIAL OF THE FORMULA CR(CF2)NCOX IN WHICH R IS SELECTED FROM THE GROUP CONSISTING OF OX AND XF2, N IS AN INTEGER FROM 2 TO 3, AND X IS SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND FLUORINE, WHICH PROCESS COMPRISES SUBJECTING SAID STARTING MATERIAL IN GAS PAHSE TO HEATING AT TEMPERATURE SUBSTANTIALLY IN THE RANGE OF 225-500*C. WHILE IN THE PRESENCE OF SOLID ANHYDROUS ALUMINUM FLOURIDE CATALYST FOR A TIME SUFFICIENT TO DECARBONYLATE A SUBSTANTIAL AMOUNT OF SAID STARTING MATERIAL, SAID CATALYST HAVING CRYSTALLITE SIZE NOT SUBSTANTIALLY GREATER THAN 500 ANGSTROM UNITS RADIUS AND HAVING BEEN DERIVED BY REACTION OF ALUMINUM CHLORIDE AND HF, AND RECOVERING REACTION PRODUCT CONTAINING LESS CO THAN SAID STARTING MATERIAL AND BEING OF THE FORMULA
References Cited (Backward Citations)
US2704776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |