Patent US3338030A successfully refreshed from Google Patents.
US3338030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Depressuring technique for deltap adsorption process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1964-07-01
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Granted: 1967-08-29
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 Jr George F Feldbauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:10
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/50; C01B3/56; B; B01; B01D; B01D53/00; B01D53/02; B01D53/04; B01D53/047; C07; C07C; C07C7/00; C07C7/12; C07C7/13; C10; C10G; C10G25/00; C10G25/02; C10G25/03; B01D2253/00; B01D2253/10; B01D2253/102; B01D2253/104; B01D2253/106; B01D2253/108; B01D2256/00; B01D2256/16; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40028; B01D2259/40035; B01D2259/40037; B01D2259/40043; B01D2259/4005; B01D2259/40052; B01D2259/40077; B01D2259/40081; B01D2259/403; C01B2203/00; C01B2203/04; C01B2203/042; C01B2203/043; C01B2203/0465; C01B2203/048; C01B2203/0485
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN IMPROVED ADSORPTION PROCESS WHICH COMPRISES: INTRODUCING A FEED CONTAINING MORE READILY ADSORBABLE COMPONENTS AND LESS READILY ADSORBABLE COMPONENTS INTO A FIRST END OF A FIRST ADSORPTION ZONE AT A RELATIVELY HIGH ADSORPTION PRESSURE; SELECTIVELY ADSORBING SAID MORE READILY ADSORBABLE COMPONENTS; WITHDRAWING A STREAM FROM A SECOND END OF SAID FIRST ADSORPTION ZONE, SAID STREAM CONTAINING ESSENTIALLY THE LESS READILY ADSORBABLE COMPONENTS; DEPRESSURIZING, AFTER WITHDRAWING SAID STREAM, AND THEREBY PARTIALLY DESORBING SAID FIRST ADSORPTION ZONE BY FIRST CONNECTING THE SAID SECOND END OF SAID FIRST ADSORPTION ZONE TO A SECOND ADSORPTION ZONE WHICH SECOND ADSORPTION ZONE IS AT A RELATIVELY REDUCED PRESSURE; DISCONNECTING SAID ADSORPTION ZONES, WHEN THEY ARE AT SUBSTANTIALLY EQUAL PRESSURE, SAID LAST NAMED PRESSURE BEING INTERMEDIATE TO SAID RELATIVELY HIGH AND RELATIVELY LOW PRESSURES; COMPLETING DESORPTION OF FIRST ADSORPTION ZONE BY FURTHER REDUCING THE TOTAL PRESSURE TO SAID RELATIVELY LOW PRESSURE.
Claim 2
Dependent Claim
144 words
AN IMPROVED ADSORPTION PROCESS WHICH COMPRISES: INTRODUCING A FEED CONTAINING MORE READILY ADSORBABLE COMPONENTS AND LESS READILY ADSORBABLE COMPONENTS INTO A FIRST END OF A FIRST ADSORPTION ZONE AT A RELATIVELY HIGH ADSORPTION PRESSURE; SELECTIVELY ADSORBING SAID MORE READILY ADSORBABLE COMPONENTS; WITHDRAWING A STREAM FROM A SECOND END OF SAID FIRST ADSORPTION ZONE, SAID STREAM CONTAINING ESSENTIALLY THE LESS READILY ADSORBABLE COMPONENTS; DEPRESSURIZING, AFTER WITHDRAWING SAID STREAM, AND THEREBY PARTIALLY DESORBING SAID FIRST ADSORPTION ZONE BY FIRST CONNECTING THE SAID SECOND END OF SAID FIRST ADSORPTION ZONE TO A SECOND ADSORPTION ZONE WHICH SECOND ADSORPTION ZONE IS AT A RELATIVELY REDUCED PRESSURE; DISCONNECTING SAID ADSORPTION ZONES, WHEN THEY ARE AT SUBSTANTIALLY EQUAL PRESSURE, SAID LAST NAMED PRESSURE BEING INTERMEDIATE TO SAID RELATIVELY HIGH AND RELATIVELY LOW PRESSURES; COMPLETING DESORPTION OF FIRST ADSORPTION ZONE BY FURTHER REDUCING THE TOTAL PRESSURE TO SAID RELATIVELY LOW PRESSURE.
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |