US2935539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon separation process using metallic amine complex substituted molecular sieves
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-04-25
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Granted: 1960-05-03
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Expires: 1978-04-25
Abstract
No abstract record available.
Inventors
- 👤 Gladrow Elroy Merle
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:18
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/02; C10G25/03; C10G61/00; C10G61/02; C10G61/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN IMPROVED PROCESS FOR SEPARATING DOUBLY BRANCHED ALIPHATIC HYDROCARBONS FROM LESS HIGHLY BRANCHED CHAIN HYDROCARBONS WHICH COMPRISES CONTACTING A MIXTURE OF SAID HYDROCARBONS WITH A CRYSTALLINE BASIC NITROGEN COMPLEX METALLIC ALUMINO-SILICATE ADSORBENT HAVING A UNIFORM PORE OPENING OF ABOUT 6 TO 15 ANGSTROMS IN AN ADSORPTION ZONE, SELECTIVELY ADSORBING SAID DOUBLY BRANCHED HYDROCARBONS, AND WITHDRAWING A STREAM SUBSTANTIALLY POORER IN SAID DOUBLY BRANCHED HYDROCARBON FROM SAID ZONE.
Claim 2
Dependent Claim
67 words
AN IMPROVED PROCESS FOR SEPARATING DOUBLY BRANCHED ALIPHATIC HYDROCARBONS FROM LESS HIGHLY BRANCHED CHAIN HYDROCARBONS WHICH COMPRISES CONTACTING A MIXTURE OF SAID HYDROCARBONS WITH A CRYSTALLINE BASIC NITROGEN COMPLEX METALLIC ALUMINO-SILICATE ADSORBENT HAVING A UNIFORM PORE OPENING OF ABOUT 6 TO 15 ANGSTROMS IN AN ADSORPTION ZONE, SELECTIVELY ADSORBING SAID DOUBLY BRANCHED HYDROCARBONS, AND WITHDRAWING A STREAM SUBSTANTIALLY POORER IN SAID DOUBLY BRANCHED HYDROCARBON FROM SAID ZONE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |