US3824080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vertical reactor
Assignee: Texaco Inc
•
Filing: 1972-04-27
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Granted: 1974-07-16
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Expires: 1992-04-27
Abstract
Abstract EFFFLUENTS FROM A FIRST CATALYST ZONE AND QUENCH FLUID TO FROM A NEW TWO-PHASE VAPOR-LIQUID REACTION MIXTURE AND REACTOR INTERNAL PARTS FOR EVELY REDISTRIBUTING THE NEW REACTION MIXTURE ACROSS THE TOP HORIZONTAL CROSS-SECTION OF A SECOND CATALYST ZONE. A VERTICAL, DOWNFLOW REACTOR FOR CONTACTING A TWO-PHASE VAPOR-LIQUID REACTION MIXTURE WITH SOLID CATALYST CONTAINED IN TWO OR MORE REACTOR VESSEL CATALYST ZONESS, WHEREIN SUCH REACTOR HAS MEANS FOR INJECTING QUENCH FLUID BETWEEN SUCCEEDING CATALYST ZONES. SUCH REACTOR COMPRISES REACTOR INTERNAL PARTS LOCATED INTERMEDIATE TO TWO CATALYST ZONES FOR INTIMATELY MIXING VAPOR AND LIQUID REACTION
Inventors
- 👤 R Smith
- 👤 J Strickland
- 👤 J Sanwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:34
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/04; B01J8/0492
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) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |