Patent US2651603A successfully refreshed from Google Patents.
US2651603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fractionation with solid adsorbents
Assignee: Standard Oil Development Co
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Filing: 1951-05-29
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Granted: 1953-09-08
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Expires: 1971-05-29
Abstract
No abstract record available.
Inventors
- 👤 Homer Z Martin
- 👤 Jr Warren K Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:32
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; C; C10; C10G; C10G25/00; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/106; B01D2256/00; B01D2256/24; B01D2257/00; B01D2257/70; B01D2257/702; B01D2258/00; B01D2258/02; B01D2258/0283; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D2259/40083; B01D2259/40088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
PROCESS FOR SEPARATING HYDROCARBON MIXTURES INTO TWO COMPONENTS WHICH COMPRISES INTRODUCING A HYDROCARBON FEED STOCK CONTAINING A PLURALITY OF COMPONENTS INTO THE MIDSECTION OF A FIRST ADSORPTION ZONE, INTRODUCING A SOLID ADSORBENT INTO THE TOP OF SAID ADSORPTION ZONE, PASSING THE FEED STOCK COUNTER-CURRENTLY TO SAID SOLID ADSORBENT, REMOVING UNADSORBED COMPONENTS FROM THE TOP OF SAID ASSORPTION ZONE, REMOVING SOLID ADSORBENT CONTAINING THE PREFERENTIALLY ADSORBED COMPONENTS FROM THE BOTTOM OF SAID ADSORPTION ZONE, PASSING THE WITHDRAWN SOLID ADSORBENT TO THE TOP OF A STRIPPING ZONE, INTRODUCING FLUE GAS INTO THE BOTTOM OF SAID STRIPPING ZONE, PASSING THE SOLID ABSORBENT COUNTERCURRENTLY TO THE FLUE GAS WHEREBY THE PREFERENTIALLY ADSORBED HYDROCARBONS ARE STRIPPED FROM THE SOLID ADSORBENT, RECYCLING A FIRST PORTION OF THE STRIPPED ADSORBENT TO THE FIRST ADSORPTION ZONE, WITHDRAWING THE FLUE GAS-HYDROCARBON MIXTURE FROM THE TOP OF SAID STRIPPING ZONE, COOLING SAID FLUE GAS-HYDROCARBON MIXTURE TO CONDENSE AT LEAST A PORTION OF SAID HYDROCARBONS, REMOVING THE CONDENSED HYDROCARBONS, RECYCLING AT LEAST A PORTION OF SAID CONDENSE HYDROCARBONS TO THE BOTTOM OF SAID FIRST ADSORPTION ZONE AS A REFLUX THEREIN, PASSING A
Claim 2
Dependent Claim
181 words
PROCESS FOR SEPARATING HYDROCARBON MIXTURES INTO TWO COMPONENTS WHICH COMPRISES INTRODUCING A HYDROCARBON FEED STOCK CONTAINING A PLURALITY OF COMPONENTS INTO THE MIDSECTION OF A FIRST ADSORPTION ZONE, INTRODUCING A SOLID ADSORBENT INTO THE TOP OF SAID ADSORPTION ZONE, PASSING THE FEED STOCK COUNTER-CURRENTLY TO SAID SOLID ADSORBENT, REMOVING UNADSORBED COMPONENTS FROM THE TOP OF SAID ASSORPTION ZONE, REMOVING SOLID ADSORBENT CONTAINING THE PREFERENTIALLY ADSORBED COMPONENTS FROM THE BOTTOM OF SAID ADSORPTION ZONE, PASSING THE WITHDRAWN SOLID ADSORBENT TO THE TOP OF A STRIPPING ZONE, INTRODUCING FLUE GAS INTO THE BOTTOM OF SAID STRIPPING ZONE, PASSING THE SOLID ABSORBENT COUNTERCURRENTLY TO THE FLUE GAS WHEREBY THE PREFERENTIALLY ADSORBED HYDROCARBONS ARE STRIPPED FROM THE SOLID ADSORBENT, RECYCLING A FIRST PORTION OF THE STRIPPED ADSORBENT TO THE FIRST ADSORPTION ZONE, WITHDRAWING THE FLUE GAS-HYDROCARBON MIXTURE FROM THE TOP OF SAID STRIPPING ZONE, COOLING SAID FLUE GAS-HYDROCARBON MIXTURE TO CONDENSE AT LEAST A PORTION OF SAID HYDROCARBONS, REMOVING THE CONDENSED HYDROCARBONS, RECYCLING AT LEAST A PORTION OF SAID CONDENSE HYDROCARBONS TO THE BOTTOM OF SAID FIRST ADSORPTION ZONE AS A REFLUX THEREIN, PASSING A
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) | 1956-09-07 | 1957-03-09 | 1957-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-07 | 1961-03-09 | 1961-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-07 | 1965-03-09 | 1965-09-08 | $7700.00 | Window Closed / Lapsed |