Patent US3213153A successfully refreshed from Google Patents.
US3213153A
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Hydrodealkylation of alkyl naphthalenes
Assignee: Phillips Petroleum Co
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Filing: 1962-09-24
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Granted: 1965-10-19
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Expires: 1982-09-24
Abstract
No abstract record available.
Inventors
- 👤 King L Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:46
CPC Classifications
C; C07; C07C; C07C4/00; C07C2523/00; C07C2523/38; C07C2523/40; C07C2523/70; C07C2523/74; C07C2523/76; C07C2523/84; C07C2523/85; C07C2527/00; C07C2527/02; C07C2527/04; C07C2527/043; C07C2527/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR CONVERTING ALKYL NAPHTHALENES INTO OTHER AROMATIC HYDROCARBONS WHICH COMPRISES CONTACTING AN ALKYL NAPTHALENE WITH HYDROCARBON IN A HYDRODEALKYLATION ZONE IN THE PRESENCE OF A HYDRODEALKYLATION CATALYST SELECTED FROM THE GROUP VIA OXIDES AND SULFIDES AND FROM THE GROUP VIII METALS, OXIDES AND SULFIDES, MAINTAINING THE TEMPERATURE IN SAID HYDRODEALKYLATION ZONE IN THE RANGE OF 900-1080*F., AND WITHDRAWING A PRODUCT EFFLUENT FROM SAID HYDRODEALKYLATION ZONE CONTAINING A CONSTITUENT OF INTEREST SELECTED FROM THE GROUP CONSISTING OF ALKYLBENZENES AND BENZENE.
Claim 2
Dependent Claim
81 words
A PROCESS FOR CONVERTING ALKYL NAPHTHALENES INTO OTHER AROMATIC HYDROCARBONS WHICH COMPRISES CONTACTING AN ALKYL NAPTHALENE WITH HYDROCARBON IN A HYDRODEALKYLATION ZONE IN THE PRESENCE OF A HYDRODEALKYLATION CATALYST SELECTED FROM THE GROUP VIA OXIDES AND SULFIDES AND FROM THE GROUP VIII METALS, OXIDES AND SULFIDES, MAINTAINING THE TEMPERATURE IN SAID HYDRODEALKYLATION ZONE IN THE RANGE OF 900-1080*F., AND WITHDRAWING A PRODUCT EFFLUENT FROM SAID HYDRODEALKYLATION ZONE CONTAINING A CONSTITUENT OF INTEREST SELECTED FROM THE GROUP CONSISTING OF ALKYLBENZENES AND BENZENE.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |