US3218367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of olefins from hydrocarbon mixtures
Assignee: ExxonMobil Oil Corp
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Filing: 1962-07-31
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Granted: 1965-11-16
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Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Chen Nai Yuen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:03
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/02; C10G25/03; C07; C07C; C07C7/00; C07C7/12; C07C7/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A METHOD FOR SELECTIVELY SEPARATINGNORMAL OLEFINS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE FROM A HYDROCARBON MIXTURE CONTAINING SAID OLEFINS AND OTHER HYDROCARBONS INCLUDING STRAIGHT CHAIN HYDROCARBONS CONTAINING FROM 2 TO 14 CARBON ATOMS PER MOLECULE BY MEANS OF ADSORPTION AND SELECTIVE DESORPTION, WHICH COMPRISES CONTACTING SAID HYDROCARBON MIXTURE WITH A CRYSTALLINE ALUMINOSILICATE HAVING UNIFORM PORE OPENINGS OF BETWEEN ABOUT 4.5 AND 5.5 ANGSTROM UNITS, WHEREBY STRAIGHT CHAIN HYDROCARBON COMPONENTS OF SAID MIXTURE INCLUDING NORMAL OLEFIN COMPONENTS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE ARE ADSORBED INTO THE INTERIOR OF SAID CRYSTALLINE ALUMINOSILICATE, CONTACTING TH E CRYSTALLINE ALUMINOSILICATE CONTAINING ADSORBED HYDROCARBONS WITH GASEOUS CARBON DIOXIDE AT A TEMPERATURE BELOW ABOUT 80*F., WHEREBY ADSORBED HYDROCARBONS, OTHER THAN SAID NORMAL OLEFINS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE, ARE SELECTIVELY DESORBED FROM SAID CRYSALLINE ALUMINOSILICATE AND SUBSEQUENTLY REMOVING SAID NORMAL OLEFINS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE FROM SAID CRYSTALLINE ALUMINOSILICATE.
Claim 2
Independent Claim
158 words
A METHOD FOR SELECTIVELY SEPARATINGNORMAL OLEFINS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE FROM A HYDROCARBON MIXTURE CONTAINING SAID OLEFINS AND OTHER HYDROCARBONS INCLUDING STRAIGHT CHAIN HYDROCARBONS CONTAINING FROM 2 TO 14 CARBON ATOMS PER MOLECULE BY MEANS OF ADSORPTION AND SELECTIVE DESORPTION, WHICH COMPRISES CONTACTING SAID HYDROCARBON MIXTURE WITH A CRYSTALLINE ALUMINOSILICATE HAVING UNIFORM PORE OPENINGS OF BETWEEN ABOUT 4.5 AND 5.5 ANGSTROM UNITS, WHEREBY STRAIGHT CHAIN HYDROCARBON COMPONENTS OF SAID MIXTURE INCLUDING NORMAL OLEFIN COMPONENTS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE ARE ADSORBED INTO THE INTERIOR OF SAID CRYSTALLINE ALUMINOSILICATE, CONTACTING TH E CRYSTALLINE ALUMINOSILICATE CONTAINING ADSORBED HYDROCARBONS WITH GASEOUS CARBON DIOXIDE AT A TEMPERATURE BELOW ABOUT 80*F., WHEREBY ADSORBED HYDROCARBONS, OTHER THAN SAID NORMAL OLEFINS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE, ARE SELECTIVELY DESORBED FROM SAID CRYSALLINE ALUMINOSILICATE AND SUBSEQUENTLY REMOVING SAID NORMAL OLEFINS HAVING FROM 5 TO 14 CARBON ATOMS PER MOLECULE FROM SAID CRYSTALLINE ALUMINOSILICATE.
References Cited (Backward Citations)
US2974179A
Cited
US3037338A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |