Patent US2862867A successfully refreshed from Google Patents.
US2862867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of carcinogenicity of high boiling catalytically cracked oil by partial oxidation
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1953-06-17
•
Granted: 1958-12-02
•
Expires: 1973-06-17
Abstract
No abstract record available.
Inventors
- 👤 Jr John Rehner
- 👤 Lawrence T Eby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:56
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR REDUCING THE CARCINOGENICITY OF A CATALYTICALLY CRACKED PETROLEUM OIL BOILING IN EXCESS OF ABOUT 700*F. WHICH COMPRISES AIR-BOOWING SAID OIL AT A TEMPERATURE OF FROM ABOUT 200* TO ABOUT 275*C. WITH FROM ABOUT 0.1 TO 1.0 POUND OF AIR PER BARREL OF OIL S MINUTE FOR A PERIOD OF FROM ABOUT 2 TO ABOUT 10 HOURS AND OXIDIZING CARCINOGENIC CONSTITUENTS IN SAID OIL TO FORM A SLUDGE.
Claim 2
Dependent Claim
70 words
A PROCESS FOR REDUCING THE CARCINOGENICITY OF A CATALYTICALLY CRACKED PETROLEUM OIL BOILING IN EXCESS OF ABOUT 700*F. WHICH COMPRISES AIR-BOOWING SAID OIL AT A TEMPERATURE OF FROM ABOUT 200* TO ABOUT 275*C. WITH FROM ABOUT 0.1 TO 1.0 POUND OF AIR PER BARREL OF OIL S MINUTE FOR A PERIOD OF FROM ABOUT 2 TO ABOUT 10 HOURS AND OXIDIZING CARCINOGENIC CONSTITUENTS IN SAID OIL TO FORM A SLUDGE.
References Cited (Backward Citations)
US1114045A
Cited
US2085499A
Cited
US2213407A
Cited
US2331121A
Cited
US2809153A
Cited
US2767102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |