Patent US3177135A successfully refreshed from Google Patents.
US3177135A
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Reforming naphthas having a high alkylcyclopentane content
Assignee: ExxonMobil Oil Corp
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Filing: 1961-08-24
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Granted: 1965-04-06
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Expires: 1981-08-24
Abstract
No abstract record available.
Inventors
- 👤 William H Lang
- 👤 Donald M Nace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR REFORMING OF A HYDROCARBON NAPHTHA WHICH COMPRISES PASSING A HYDROCARBON NAPHTHA HAVING AN INITIAL BOILING POINT OF ABOUT 200*F. AND AN END BOILING POINT OF ABOUT 400*F. CONTAINING AT LEAST ABOUT 20 MOLE PERCENT ALKYLCYCLOPENTANES AND SULFUR IN AMOUNTS FROM ABOUT .07 WEIGHT PERCENT TO ABOUT 0.7 WEIGHT PERCENT BASED ON THE NAPHTHA CHARGE, OVER A PLATINUM ON ALUMINA CATALYST CONTAINING FROM ABOUT 0.1 TO ABOUT 2 WEIGHT PERCENT PLATINUM AND FROM ABOUT 0.1 TO ABOUT 5.0 WEIGHT PERCENT CHLORINE UNDER REFORMING CONDITIONS.
Claim 2
Dependent Claim
86 words
A PROCESS FOR REFORMING OF A HYDROCARBON NAPHTHA WHICH COMPRISES PASSING A HYDROCARBON NAPHTHA HAVING AN INITIAL BOILING POINT OF ABOUT 200*F. AND AN END BOILING POINT OF ABOUT 400*F. CONTAINING AT LEAST ABOUT 20 MOLE PERCENT ALKYLCYCLOPENTANES AND SULFUR IN AMOUNTS FROM ABOUT .07 WEIGHT PERCENT TO ABOUT 0.7 WEIGHT PERCENT BASED ON THE NAPHTHA CHARGE, OVER A PLATINUM ON ALUMINA CATALYST CONTAINING FROM ABOUT 0.1 TO ABOUT 2 WEIGHT PERCENT PLATINUM AND FROM ABOUT 0.1 TO ABOUT 5.0 WEIGHT PERCENT CHLORINE UNDER REFORMING CONDITIONS.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |