US3743593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic cracking process with maximum feed vaporization
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1970-11-30
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Granted: 1973-07-03
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Expires: 1990-11-30
Abstract
Abstract PETROLEUM HYDROCARBON FEEDSTOCKS IN THE GAS OIL BOILING RANGE ARE CRACKED IN A FLUIDIZED CATALYTIC REACTOR FOLLOWING ADMIXING SAID FEEDSTOCK WITH COKER EFFLUENT TO VAPORIZE THE FEEDSTOCK PRIOR TO ITS INTRODUCTION INTO THE REACTOR.
Inventors
- 👤 A Saxton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:07
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18; C10G51/00; C10G51/02; C10G51/04; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/901; Y10S585/919; Y10S585/921; Y10S585/924; Y10S585/925; Y10S585/949; Y10S585/95
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |