US3282828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrorefining of petroleum crude oil with vanadium halides
Assignee: Universal Oil Products Co
•
Filing: 1964-08-31
•
Granted: 1966-11-01
•
Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 William K T Gleim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:26
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/14; C10G45/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR HYDROREFINING A HYDROCARBON CHANGE STOCK WHICH COMPRISES ADMIXING SAID CHANGE STOCK WITH A CHLORIDE OF VANADIUM, REACTING THE RESULTING MIXTURE WITH HYDROGEN AT A TEMPERATURE ABOVE ABOUT 225*C., REMOVING A METAL-CONTAINING SLUDGE FROM THE REACTION EFFLUENT AND RECOVERING A HYDROREFINED LIQUID PRODUCT.
Claim 2
Dependent Claim
45 words
A PROCESS FOR HYDROREFINING A HYDROCARBON CHANGE STOCK WHICH COMPRISES ADMIXING SAID CHANGE STOCK WITH A CHLORIDE OF VANADIUM, REACTING THE RESULTING MIXTURE WITH HYDROGEN AT A TEMPERATURE ABOVE ABOUT 225*C., REMOVING A METAL-CONTAINING SLUDGE FROM THE REACTION EFFLUENT AND RECOVERING A HYDROREFINED LIQUID PRODUCT.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |