Patent US2583352A successfully refreshed from Google Patents.
US2583352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adsorption process
Assignee: Union Oil Company of California
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Filing: 1947-06-19
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Granted: 1952-01-22
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Expires: 1967-06-19
Abstract
No abstract record available.
Inventors
- 👤 Clyde H O Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:59
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/104; B01D2253/106; B01D2256/00; B01D2256/24; B01D2256/245; B01D2257/00; B01D2257/20; B01D2257/204; B01D2257/70; B01D2257/702; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D2259/40083; B01D2259/40086; B01D2259/40088
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
224 words
A PROCESS FOR THE CONTINUOUS SEPARATION OF A GASEOUS MIXTURE BY CONTINUOUS SELECTIVE ADSORPTION ON A SOLID GRANULAR ADSORBENT WHICH COMPRISES MAINTAINING A CONTINUOUS FLOW OF A SOLID GRANULAR ADSORBENT DOWNWARDLY BY GRAVITY THROUGH AN AUXILIARY STRIPPING ZONE, A COOLING ZONE, AN ADSORPTION ZONE, AND A HEATING ZONE SUCCESSIVELY, INTRODUCING SAID GASEOUS MIXTURE INTO SAID ADSORPTION ZONE SO AS TO ADSORB MORE READILY ADSORBABLE CONSTITUENTS OF SAID GASEOUS MIXTURE TO FORM A RICH ADSORBENT AND A LEAN GAS, REMOVING A PORTION OF SAID LEAN GAS AS A LEAN GAS PRODUCT FROM SAID ADSORPTION ZONE, SUBJECTING SAID RICH ADSORBENT IN SAID HEATING ZONE TO INDIRECT HEATING THEREBY DESORBING FROM SAID RICH ADSORBENT A PORTION OF THE CONSTITUENTS ADSORBED THEREON TO FORM A RICH GAS AND A HOT PARTIALLY STRIPPED ADSORBENT IN SAID AUXILIARY STRIPPING RICH GAS PRODUCT FROM SAID HEATING ZONE, CONVEYING SAID HOT PARTIALLY STRIPPED ADSORBENT UPWARD FROM SAID HEATING ZONE TO SAID AUXILIARY STRIPPING ZONE, CONTACTING SAID HOT PARTIALLY STRIPPED ADSORBENT IN SAID AUXILIARY STRIPPING ZONE WITH THE REMAINING PORTION OF SAID LEAN GAS FORMED IN SAID ADSORPTION ZONE TO EFFECT DESORPTION OF THE ADDITIONAL CONSTITUENTS ADSORBED THEREON TO FORM A LEAN ADSORBENT IN SAID COOLING GAS, COOLING SAID LEAN ADSORBENT, IN SAID COOLING ZONE TO FORM A COOL LEAN ADSORBENT, AND COMBINING SAID RECYCLE GAS WITH SAID GASEOUS MIXTURE TO BE SEPARATED.
Claim 2
Dependent Claim
224 words
A PROCESS FOR THE CONTINUOUS SEPARATION OF A GASEOUS MIXTURE BY CONTINUOUS SELECTIVE ADSORPTION ON A SOLID GRANULAR ADSORBENT WHICH COMPRISES MAINTAINING A CONTINUOUS FLOW OF A SOLID GRANULAR ADSORBENT DOWNWARDLY BY GRAVITY THROUGH AN AUXILIARY STRIPPING ZONE, A COOLING ZONE, AN ADSORPTION ZONE, AND A HEATING ZONE SUCCESSIVELY, INTRODUCING SAID GASEOUS MIXTURE INTO SAID ADSORPTION ZONE SO AS TO ADSORB MORE READILY ADSORBABLE CONSTITUENTS OF SAID GASEOUS MIXTURE TO FORM A RICH ADSORBENT AND A LEAN GAS, REMOVING A PORTION OF SAID LEAN GAS AS A LEAN GAS PRODUCT FROM SAID ADSORPTION ZONE, SUBJECTING SAID RICH ADSORBENT IN SAID HEATING ZONE TO INDIRECT HEATING THEREBY DESORBING FROM SAID RICH ADSORBENT A PORTION OF THE CONSTITUENTS ADSORBED THEREON TO FORM A RICH GAS AND A HOT PARTIALLY STRIPPED ADSORBENT IN SAID AUXILIARY STRIPPING RICH GAS PRODUCT FROM SAID HEATING ZONE, CONVEYING SAID HOT PARTIALLY STRIPPED ADSORBENT UPWARD FROM SAID HEATING ZONE TO SAID AUXILIARY STRIPPING ZONE, CONTACTING SAID HOT PARTIALLY STRIPPED ADSORBENT IN SAID AUXILIARY STRIPPING ZONE WITH THE REMAINING PORTION OF SAID LEAN GAS FORMED IN SAID ADSORPTION ZONE TO EFFECT DESORPTION OF THE ADDITIONAL CONSTITUENTS ADSORBED THEREON TO FORM A LEAN ADSORBENT IN SAID COOLING GAS, COOLING SAID LEAN ADSORBENT, IN SAID COOLING ZONE TO FORM A COOL LEAN ADSORBENT, AND COMBINING SAID RECYCLE GAS WITH SAID GASEOUS MIXTURE TO BE SEPARATED.
Claim 3
Independent Claim
101 words
AN APPARATUS FOR THE CONTINUOUS SEPARATION OF GASEOUS MIXTURES CONTAINING CONSTITUENTS WHICH MUST REMAIN ANHYDROUS WHICH COMPRISES A VERTICAL ADSORPTION COLUMN PROVIDED AT SUCCESSIVELY LOWER LEVELS WITH AN AUXILIARY STRIPPING ZONE, A COOLING ZONE, AN ADSORPTION ZONE, A RECTIFICATION ZONE, AND A HEATING ZONE, MEANS FOR MAINTAINING A CONTINUOUS FLOW OF A SOLID GRANULAR ADSORBENT DOWNWARDLY THROUGH SAID ZONES BY GRAVITY, MEANS FOR INTRODUCING SAID GASEOUS MIXTURE, MEANS FOR REMOVING FRACTIONS OF SAID GASEOUS MIXTURE FROM SAID ADSORPTION COLUMN, AND MEANS FOR INTRODUCING AT LEAST A PORTION OF ONE OF SAID FRACTIONS INTO SAID AUXILIARY STRIPPING ZONE AS A STRIPPING GAS.
Claim 4
Independent Claim
101 words
AN APPARATUS FOR THE CONTINUOUS SEPARATION OF GASEOUS MIXTURES CONTAINING CONSTITUENTS WHICH MUST REMAIN ANHYDROUS WHICH COMPRISES A VERTICAL ADSORPTION COLUMN PROVIDED AT SUCCESSIVELY LOWER LEVELS WITH AN AUXILIARY STRIPPING ZONE, A COOLING ZONE, AN ADSORPTION ZONE, A RECTIFICATION ZONE, AND A HEATING ZONE, MEANS FOR MAINTAINING A CONTINUOUS FLOW OF A SOLID GRANULAR ADSORBENT DOWNWARDLY THROUGH SAID ZONES BY GRAVITY, MEANS FOR INTRODUCING SAID GASEOUS MIXTURE, MEANS FOR REMOVING FRACTIONS OF SAID GASEOUS MIXTURE FROM SAID ADSORPTION COLUMN, AND MEANS FOR INTRODUCING AT LEAST A PORTION OF ONE OF SAID FRACTIONS INTO SAID AUXILIARY STRIPPING ZONE AS A STRIPPING GAS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-21 | 1955-07-23 | 1956-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-21 | 1959-07-23 | 1960-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-21 | 1963-07-23 | 1964-01-22 | $7700.00 | Window Closed / Lapsed |