US3320332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting 1, 2, 3, 4-tetrahy-dronaphthalene to octahydroanthracene and octahydrophenanthrene
Assignee: Sunoco Inc
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Filing: 1964-10-05
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Granted: 1967-05-16
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Schneider Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:57
CPC Classifications
C; C07; C07C; C07C6/00; C07C6/08; C07C6/12; C07C6/123; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/22; C07C2603/24; C07C2603/26; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A METHOD OF PREPARING AN OCTAHYDROTRICYCLIC AROMATIC SELECTED FROM THE GROUP CONSISTING OF OCTAHYDROANTHRACENE AND OCTAHYDROPHENANTHRENE WHICH COMPRISES (1) CONTACTING 1,2,3,4-TETRAHYDRONAPHTHLAENE INCLUDING HEREINAFTER RECITED RECYCLE 1,2,3,4-TETRAHYDRONAPHTHLAENE AT A TEMPERATURE IN THE RANGE OF 0*-120*C. WITH A CATALYTICALLY EFFECTIVE AMOUNT OF AN ALUMINUM HALIDE-1,2,3,4-TETRAHYDRONAPHTHALENE-HYDROGEN HALIDE COMPLEX CATALYST, INCLUDING HEREINAFTER RECITED RECYCLE CATALYST, FORMED BY CONTACTING AN ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALCL3 AND ALBR3 WITH 1,2,3,4-TETRAHYDRONAPHTHALENE IN THE PRESENCE OF A HYDROGEN HALIDE, THE HALIDE IN SAID HYDROGEN HALIDE BEING THE SAME AS THE HALIDE IN SAID ALUMINUM HALIDE, (2) SETTLING THE RESULTING TWO-PHASE SYSTEM WHEREBY THERE IS OBTAINED AN UPPER ORGANIC LAYER CONTAINING SAID OCTAHYDROTRICYCLIC AROMATIC AND UNREACTED 1,2,3,4-TETRAHYDRONAPHTHALENE AND A LOWER CATALYST LAYER, (3) SEPARATING SAID ORGANIC LAYER FROM SAID CATALYST LAYER, (4) RECOVERING SAID OCTAHYDROTRICYCLIC AROMATIC AND 1,2,6,4-TETRAHYDRONAPHTHALENE FROM SAID ORGANIC LAYER, AND (5) UTILIZING 1,2,3,4-TETRAHYDRONAPHTHALENE RECOVERED IN STEP (4) AND CATALYST SEPARATED IN STEP (3) AS SAID RECYCLE 1,2,3,4-TETRAHYDRONAPHTHALENE AND RECYCLE CATALYST RESPECTIVELY.
Claim 2
Independent Claim
159 words
A METHOD OF PREPARING AN OCTAHYDROTRICYCLIC AROMATIC SELECTED FROM THE GROUP CONSISTING OF OCTAHYDROANTHRACENE AND OCTAHYDROPHENANTHRENE WHICH COMPRISES (1) CONTACTING 1,2,3,4-TETRAHYDRONAPHTHLAENE INCLUDING HEREINAFTER RECITED RECYCLE 1,2,3,4-TETRAHYDRONAPHTHLAENE AT A TEMPERATURE IN THE RANGE OF 0*-120*C. WITH A CATALYTICALLY EFFECTIVE AMOUNT OF AN ALUMINUM HALIDE-1,2,3,4-TETRAHYDRONAPHTHALENE-HYDROGEN HALIDE COMPLEX CATALYST, INCLUDING HEREINAFTER RECITED RECYCLE CATALYST, FORMED BY CONTACTING AN ALUMINUM HALIDE SELECTED FROM THE GROUP CONSISTING OF ALCL3 AND ALBR3 WITH 1,2,3,4-TETRAHYDRONAPHTHALENE IN THE PRESENCE OF A HYDROGEN HALIDE, THE HALIDE IN SAID HYDROGEN HALIDE BEING THE SAME AS THE HALIDE IN SAID ALUMINUM HALIDE, (2) SETTLING THE RESULTING TWO-PHASE SYSTEM WHEREBY THERE IS OBTAINED AN UPPER ORGANIC LAYER CONTAINING SAID OCTAHYDROTRICYCLIC AROMATIC AND UNREACTED 1,2,3,4-TETRAHYDRONAPHTHALENE AND A LOWER CATALYST LAYER, (3) SEPARATING SAID ORGANIC LAYER FROM SAID CATALYST LAYER, (4) RECOVERING SAID OCTAHYDROTRICYCLIC AROMATIC AND 1,2,6,4-TETRAHYDRONAPHTHALENE FROM SAID ORGANIC LAYER, AND (5) UTILIZING 1,2,3,4-TETRAHYDRONAPHTHALENE RECOVERED IN STEP (4) AND CATALYST SEPARATED IN STEP (3) AS SAID RECYCLE 1,2,3,4-TETRAHYDRONAPHTHALENE AND RECYCLE CATALYST RESPECTIVELY.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |