US3306841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas separation process
Assignee: Universal Oil Products Co
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Filing: 1964-12-28
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Granted: 1967-02-28
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Expires: 1984-12-28
Abstract
No abstract record available.
Inventors
- 👤 Dennis J Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:59
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/047; B01D53/0476; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/104; B01D2253/106; B01D2253/108; B01D2253/116; B01D2256/00; B01D2256/16; B01D2256/24; B01D2257/00; B01D2257/10; B01D2257/102; B01D2257/20; B01D2257/206; B01D2257/2064; B01D2257/30; B01D2257/306; B01D2257/50; B01D2257/502; B01D2257/504; B01D2257/70; B01D2257/702; B01D2257/7022; B01D2257/7025; B01D2257/80; B01D2259/00; B01D2259/40; B01D2259/40007; B01D2259/40009; B01D2259/40011; B01D2259/40058; B01D2259/40062; B01D2259/403; B01D2259/414; B01D2259/4141; B01D2259/4145; B01D53/0407; B01D53/0446; B01D53/26; B01D53/261; Y; Y02; Y02C; Y02C20/00; Y02C20/20; Y02C20/40; Y10; Y10S; Y10S208/00; Y10S208/01
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
126 words
IN A CONTINUOUS HYDROCARBON CONVERSION PROCESS WHEREIN A HYDROCARBON FEED IS PASED, IN ADMIXTURE WITH RECYCLE HYDROGEN PURIFIED AS HEREINAFTER EDIFNED, THROUGH A REACTER CONTAINING A CATALYST, AT LEAST A PORTION OF THE REACTOR EFFLUENT NORMALLY GASEOUS MATERIAL BEING RECYCLED TO THE REACTOR, THE IMPROVEMEN WHICH COMPRISES CONTINUOUSLY INTRODUCING AT LEAST A PORTION OF SAID GASEOUS MATERIAL AT A SUBSTANTIALLY CONSTANT RATE INTO ONE END OF A FIRST ELONGATED BED OF ACTIVE ADSORBENT AND CONTINUOUSLY WITHDRAWING A STREAM OF ENRICHED HYDROGEN PURITY AT A SUBSTANTIALLY CONSTANT RATE FROM THE OTHER END OF THE FIRST BED OF ADSORBENT AND RETURNING SAID ENRICHED STREAM TO SUPPLY SAID PURIFIED HYDROGEN; CONTINUALLY PASSING THE GASEOUS MATERIAL THROUGH SAID FIRST BED THEREBY DEACTIVATING THE ADSORBENT, THEREUPON STOPPING THE FLOW OF GASEOUS
Claim 2
Dependent Claim
126 words
IN A CONTINUOUS HYDROCARBON CONVERSION PROCESS WHEREIN A HYDROCARBON FEED IS PASED, IN ADMIXTURE WITH RECYCLE HYDROGEN PURIFIED AS HEREINAFTER EDIFNED, THROUGH A REACTER CONTAINING A CATALYST, AT LEAST A PORTION OF THE REACTOR EFFLUENT NORMALLY GASEOUS MATERIAL BEING RECYCLED TO THE REACTOR, THE IMPROVEMEN WHICH COMPRISES CONTINUOUSLY INTRODUCING AT LEAST A PORTION OF SAID GASEOUS MATERIAL AT A SUBSTANTIALLY CONSTANT RATE INTO ONE END OF A FIRST ELONGATED BED OF ACTIVE ADSORBENT AND CONTINUOUSLY WITHDRAWING A STREAM OF ENRICHED HYDROGEN PURITY AT A SUBSTANTIALLY CONSTANT RATE FROM THE OTHER END OF THE FIRST BED OF ADSORBENT AND RETURNING SAID ENRICHED STREAM TO SUPPLY SAID PURIFIED HYDROGEN; CONTINUALLY PASSING THE GASEOUS MATERIAL THROUGH SAID FIRST BED THEREBY DEACTIVATING THE ADSORBENT, THEREUPON STOPPING THE FLOW OF GASEOUS
Claim 3
Dependent Claim
14 words
THE PROCESS OF CLAIM 16 WHEREIN SAID HYDROCARBON CONVERSION PROCESS IS A HYDROCRACKING PROCESS.
References Cited (Backward Citations)
US2988502A
Cited
US3141748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |