Patent US3355244A successfully refreshed from Google Patents.
US3355244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of vanadium oxytrichloride
Assignee: Millennium Petrochemicals Inc
•
Filing: 1965-05-14
•
Granted: 1967-11-28
•
Expires: 1985-05-14
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Carter
- 👤 Fahnoe Frederick
- 👤 Eugene P Supinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:20
CPC Classifications
C; C01; C01G; C01G31/00; C01G31/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A PROCESS OF PREPARING VANADIUM OXYTRICHLORIDE WHICH COMPRISES ESTABLISHING A FLUIDIZED BED IN A REACTION ZONE, SAID BED COMPRISING LESS THAN ABOUT 15% BY WEIGHT FINELY DIVIDED VANADIUM PENTOXIDE, LESS THAN ABOUT 2% BY WEIGHT OF A FINELY DIVIDED CARBONACEOUS MATERIAL, AND THE REMAINDER BEING AN INERT, FINELY DIVIDED, SOLID DILUENT FLUIDIZING SAID BED WITH CHLORINE AT A GAS VELOCITY SUFFICIENT TO MAINTAIN SAID BED IN A FLUIDIZED STATE, MAINTAINING A REACTION TEMPERATURE IN SAID BED WITHIN THE RANGE OF ABOUT 950* TO 1050*F., AND RECOVERING REACTION PRODUCT GASES CONTAINING VANADIUM OXYTRICHLORIDE.
Claim 2
Dependent Claim
92 words
A PROCESS OF PREPARING VANADIUM OXYTRICHLORIDE WHICH COMPRISES ESTABLISHING A FLUIDIZED BED IN A REACTION ZONE, SAID BED COMPRISING LESS THAN ABOUT 15% BY WEIGHT FINELY DIVIDED VANADIUM PENTOXIDE, LESS THAN ABOUT 2% BY WEIGHT OF A FINELY DIVIDED CARBONACEOUS MATERIAL, AND THE REMAINDER BEING AN INERT, FINELY DIVIDED, SOLID DILUENT FLUIDIZING SAID BED WITH CHLORINE AT A GAS VELOCITY SUFFICIENT TO MAINTAIN SAID BED IN A FLUIDIZED STATE, MAINTAINING A REACTION TEMPERATURE IN SAID BED WITHIN THE RANGE OF ABOUT 950* TO 1050*F., AND RECOVERING REACTION PRODUCT GASES CONTAINING VANADIUM OXYTRICHLORIDE.
References Cited (Backward Citations)
US3097923A
Cited
US3153572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |