US2984617A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Denitrogenizing reformer feed
Assignee: ExxonMobil Oil Corp
•
Filing: 1957-06-13
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Granted: 1961-05-16
•
Expires: 1977-06-13
Abstract
No abstract record available.
Inventors
- 👤 Chellis Italo V De
- 👤 Raymond R Halik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:06
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/02; C10G17/04; C10G17/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A METHOD OF REFORMING A NAPHTHA HAVING AN INITIAL CONCENTRATION OF NITROGEN COMPOUNDS WHICH IS DELETERIOUS TO A NITROGEN-SENSITIVE REFORMING CATALYST WHICH COMPRISES CONTACTING A NAPHTHA CONTAINING IN EXCESS OF 2 P.P.M. NITROGEN WITH AT LEAST ONE LIQUID PHASE TREATING AGENT SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID AND AQUEOUS SOLUTIZER SALT, SEPARATING THE TREATED NAPH-
Claim 2
Independent Claim
57 words
A METHOD OF REFORMING A NAPHTHA HAVING AN INITIAL CONCENTRATION OF NITROGEN COMPOUNDS WHICH IS DELETERIOUS TO A NITROGEN-SENSITIVE REFORMING CATALYST WHICH COMPRISES CONTACTING A NAPHTHA CONTAINING IN EXCESS OF 2 P.P.M. NITROGEN WITH AT LEAST ONE LIQUID PHASE TREATING AGENT SELECTED FROM THE GROUP CONSISTING OF SULFURIC ACID AND AQUEOUS SOLUTIZER SALT, SEPARATING THE TREATED NAPH-
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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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |