Patent US3326798A successfully refreshed from Google Patents.
US3326798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Denitrification with cupric chloride and an alcohol
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-04-01
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Granted: 1967-06-20
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Expires: 1985-04-01
Abstract
No abstract record available.
Inventors
- 👤 Hess Fritz Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:28
CPC Classifications
C; C10; C10G; C10G29/00; C10G29/06; C10G29/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR REMOVING NITROGEN-CONTAINING COMPOUNDS FROM A HYDROCARBON FEED WHICH COMPRISES CONTACTING SAID FEED WITH A SOLUTION OF CUPRIC CHLORIDE IN ALCOHOL, SAID ALCOHOL BEING SUBSTANTIALLY IMMISCIBLE WITH SAID FEED.
Claim 2
Dependent Claim
31 words
A PROCESS FOR REMOVING NITROGEN-CONTAINING COMPOUNDS FROM A HYDROCARBON FEED WHICH COMPRISES CONTACTING SAID FEED WITH A SOLUTION OF CUPRIC CHLORIDE IN ALCOHOL, SAID ALCOHOL BEING SUBSTANTIALLY IMMISCIBLE WITH SAID FEED.
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |