Patent US3336407A successfully refreshed from Google Patents.
US3336407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic conversion of 1, 2, 3, 4-tetrahydronaphthalene, indan, and other materials
Assignee: Sunoco Inc
•
Filing: 1966-03-15
•
Granted: 1967-08-15
•
Expires: 1986-03-15
Abstract
No abstract record available.
Inventors
- 👤 Ronald D Bushick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:48
CPC Classifications
C; C07; C07C; C07C13/00; C07C13/28; C07C13/32; C07C13/54; C07C13/573; C07C13/58; C07C13/547; C07C13/553; C07C2/00; C07C2/02; C07C2/04; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/271; C07C5/2718; C07C6/00; C07C6/08; C07C6/10; C07C6/12; C07C6/123; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/12; C07C2527/1206; C07C2527/1213; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/22; C07C2603/24; C07C2603/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
METHOD WHICH COMPRISES (1) CONTACTING WITH LIQUID HF AND BORON TRIHALIDE A STARTING MATERIAL CHARACTERIZED IN THAT IT IS A POLYCYCLIC AROMATIC CONTAINING A CONDENSED RING GROUP HAVING AN UNSUBSTITUTED AROMATIC RING WITH EXACTLY TWO CONDENSED CARBON ATOMS AND AN UNSUBSTITUTED SATUREATED RING WITH EXACTLY TWO CONDENSED CARBON ATOMS THE AMOUNT OF HF AND BORON TRIHALIDE BEING AT LEAST 5 MOLES PER MOLE OF SAID STARTING MATERIAL AND AT LEAST 0.5 MOLE PER MOLE OF SAID STARTING MATERIAL RESPECTIVELY, SAID CONTACTING BEING FOR A TIME SUFFICIENT TO EFFECT SELF-REACTION OF SAID STARTING MATERIAL AND (2) RECOVERING FROM THE REACTION PRODUCT MIXTURE A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIARYL ALKANES AND POLYCYCLIC AROMATIC COMPOUNDS CONTAINING ONE MORE UNSUBSTITUTED SATURATED RING HAVING EXACTLY TWO CONDENSED CARBON ATOMS THAN SAID STARTING MATERIAL, SAID TRIHALIDE BEING BF3 OR BCL3.
Claim 2
Dependent Claim
137 words
METHOD WHICH COMPRISES (1) CONTACTING WITH LIQUID HF AND BORON TRIHALIDE A STARTING MATERIAL CHARACTERIZED IN THAT IT IS A POLYCYCLIC AROMATIC CONTAINING A CONDENSED RING GROUP HAVING AN UNSUBSTITUTED AROMATIC RING WITH EXACTLY TWO CONDENSED CARBON ATOMS AND AN UNSUBSTITUTED SATUREATED RING WITH EXACTLY TWO CONDENSED CARBON ATOMS THE AMOUNT OF HF AND BORON TRIHALIDE BEING AT LEAST 5 MOLES PER MOLE OF SAID STARTING MATERIAL AND AT LEAST 0.5 MOLE PER MOLE OF SAID STARTING MATERIAL RESPECTIVELY, SAID CONTACTING BEING FOR A TIME SUFFICIENT TO EFFECT SELF-REACTION OF SAID STARTING MATERIAL AND (2) RECOVERING FROM THE REACTION PRODUCT MIXTURE A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIARYL ALKANES AND POLYCYCLIC AROMATIC COMPOUNDS CONTAINING ONE MORE UNSUBSTITUTED SATURATED RING HAVING EXACTLY TWO CONDENSED CARBON ATOMS THAN SAID STARTING MATERIAL, SAID TRIHALIDE BEING BF3 OR BCL3.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |