US2616829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorption process and apparatus
Assignee: Union Oil Company of California
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Filing: 1948-12-27
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Granted: 1952-11-04
•
Expires: 1968-12-27
Abstract
No abstract record available.
Inventors
- 👤 Clyde H O Berg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:41
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; C; C10; C10G; C10G5/00; C10G5/04; B01D2253/00; B01D2253/10; B01D2253/102; B01D2256/00; B01D2256/24; B01D2256/245; B01D2257/00; B01D2257/10; B01D2257/108; B01D2257/70; B01D2257/702; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D2259/40083; B01D2259/40088; B01D2259/4009
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A PROCESS FOR THE SEPARATION OF THERMALLY SENSITIVE NORMALLY LIQUID HYDROCARBON CONSISTUENTS FROM A GASEOUS MIXTURE THEREOF WHICH COMPRISES COUNTERCURRENTLY CONTACTING SAID GASEOUS MIXTURE IN AN ABSORPTION ZONE WITH A CONDENSED STREAM OF SAID NORMALLY LIQUID CONSTITUENTS RECOVERED FROM SAID GASEOUS MIXTURE FORMING AN ENRICHED CONDENSATE AND LEAVING NORMALLY GASEOUS CONSTITUENTS IN THE GAS PHASE, HEATING ONE PORTION OF SAID ENRICHED CONDENSATE TO A SUPERATMOSPHERIC TEMPERATURE LESS THAN 250* F., HEATING ONE PORTION OF SAID NORMALLY GASEOUS CONSTITUENTS TO APPROXIMATELY THE SAME TEMPERATURE, COUNTERCURRENTLY CONTACTING A PORTIONOF THE HEATED GAS AND A PORTION OF THE HEATED LIQUID IN A PRIMARY STRIPPING ZONE FORMING A STRIPPED CONDENSATE FREE OF NORMALLY GASEOUS CONSTITUENTS AND A STRIPPED GAS SATURATED WITH NORMALLY LIQUID CONSTITUENTS, COOLING SAID STRIPPED GAS, COMBINING SAID STRIPPED GAS WITH SAID GASEOUS MIXTURE TO BE SEPARATED, COOLING SAID STRIPPED CONDENSATE TO ATMOSPHERIC TEMPERATURE, CONTACTING THE COOL STRIPPED CONDENSATE WITH FURTHER QUANTITIES OF
Claim 2
Dependent Claim
151 words
A PROCESS FOR THE SEPARATION OF THERMALLY SENSITIVE NORMALLY LIQUID HYDROCARBON CONSISTUENTS FROM A GASEOUS MIXTURE THEREOF WHICH COMPRISES COUNTERCURRENTLY CONTACTING SAID GASEOUS MIXTURE IN AN ABSORPTION ZONE WITH A CONDENSED STREAM OF SAID NORMALLY LIQUID CONSTITUENTS RECOVERED FROM SAID GASEOUS MIXTURE FORMING AN ENRICHED CONDENSATE AND LEAVING NORMALLY GASEOUS CONSTITUENTS IN THE GAS PHASE, HEATING ONE PORTION OF SAID ENRICHED CONDENSATE TO A SUPERATMOSPHERIC TEMPERATURE LESS THAN 250* F., HEATING ONE PORTION OF SAID NORMALLY GASEOUS CONSTITUENTS TO APPROXIMATELY THE SAME TEMPERATURE, COUNTERCURRENTLY CONTACTING A PORTIONOF THE HEATED GAS AND A PORTION OF THE HEATED LIQUID IN A PRIMARY STRIPPING ZONE FORMING A STRIPPED CONDENSATE FREE OF NORMALLY GASEOUS CONSTITUENTS AND A STRIPPED GAS SATURATED WITH NORMALLY LIQUID CONSTITUENTS, COOLING SAID STRIPPED GAS, COMBINING SAID STRIPPED GAS WITH SAID GASEOUS MIXTURE TO BE SEPARATED, COOLING SAID STRIPPED CONDENSATE TO ATMOSPHERIC TEMPERATURE, CONTACTING THE COOL STRIPPED CONDENSATE WITH FURTHER QUANTITIES OF
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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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |