US2683731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for absorbing ethylene in
Assignee: —
•
Filing: —
•
Granted: 1954-07-13
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Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:46
CPC Classifications
C; C07; C07C; C07C303/00; C07C303/24; C07C303/02; C07C303/04; C07C303/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
6 words
IN AN ADSORPTION PROCESS WHICH COMPRISES
Claim 2
Dependent Claim
6 words
IN AN ADSORPTION PROCESS WHICH COMPRISES
Claim 3
Dependent Claim
164 words
METHOD OF ABSORBING ETHYLENE IN SULFURIC ACID CONTACTING FEED GASES WITH AN ACTIVE CARBON IN TO FORM A MIXTURE OF MONOETHYL AND DIETHYL SULAN ADSORPTION ZONE, REMOVING TAIL GASES OVERHEAD FATES WHICH COMPRISES PASSING A FIRST STREAM OF GAS FROM SAID ADSORPTION ZONE, REMOVING CARBON CONCONTAINING INERT GASES CONSITING PREDOMINANTLY TAINING ABSORBED CONSTITUENTS THEREON FROM SAID OF ETHYLENE, UNDER PRESSURE IN EXCESS OF 100 LBS ADSORPTION ZONE AND SEPARATING SAID ADSORBED P.S.I.G., UPWARDLY THROUGH A FIRST COUNTERCURCONSTITUENTS FROM SAID CARBON IN A DESORPTION RENT CONTACTING DEVICE IN COUNTERCURRENT TO A DEZONE, THE IMPROVEMENT WHICH COMPRISES THERESCENDING SYSTEM OF SULFURIC ACID INITIALLY CONTAINAFTER CONTACTING SAID DESORBED CARBON IN AN INIING FROM 0.8-1.2 MOLS OF ETHYLENE PER MOL OF SULTIAL REACTIVATION ZONE WITH AT LEAST A PORTION OF FURIC ACID, AT A PREDETERMINED TEMPERATURE SAID TAIL GASES AT A TEMPERATURE OF 900* F. TO BETWEEN 160-200* F., ABSTRACTING HEAT FROM SAID 1100* F. AND THEREAFTER FURTHER TREATING SAID CARDESCENDING STREAM AT A RATE SUFFICIENT TO MAINTAIN
Claim 4
Dependent Claim
164 words
METHOD OF ABSORBING ETHYLENE IN SULFURIC ACID CONTACTING FEED GASES WITH AN ACTIVE CARBON IN TO FORM A MIXTURE OF MONOETHYL AND DIETHYL SULAN ADSORPTION ZONE, REMOVING TAIL GASES OVERHEAD FATES WHICH COMPRISES PASSING A FIRST STREAM OF GAS FROM SAID ADSORPTION ZONE, REMOVING CARBON CONCONTAINING INERT GASES CONSITING PREDOMINANTLY TAINING ABSORBED CONSTITUENTS THEREON FROM SAID OF ETHYLENE, UNDER PRESSURE IN EXCESS OF 100 LBS ADSORPTION ZONE AND SEPARATING SAID ADSORBED P.S.I.G., UPWARDLY THROUGH A FIRST COUNTERCURCONSTITUENTS FROM SAID CARBON IN A DESORPTION RENT CONTACTING DEVICE IN COUNTERCURRENT TO A DEZONE, THE IMPROVEMENT WHICH COMPRISES THERESCENDING SYSTEM OF SULFURIC ACID INITIALLY CONTAINAFTER CONTACTING SAID DESORBED CARBON IN AN INIING FROM 0.8-1.2 MOLS OF ETHYLENE PER MOL OF SULTIAL REACTIVATION ZONE WITH AT LEAST A PORTION OF FURIC ACID, AT A PREDETERMINED TEMPERATURE SAID TAIL GASES AT A TEMPERATURE OF 900* F. TO BETWEEN 160-200* F., ABSTRACTING HEAT FROM SAID 1100* F. AND THEREAFTER FURTHER TREATING SAID CARDESCENDING STREAM AT A RATE SUFFICIENT TO MAINTAIN
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) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |