US3424774A
Expired / Lapsed
US
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Novel catalyst and process for the cyclotrimerization of conjugated diolefinic materials
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-02-10
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Granted: 1969-01-28
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Expires: 1985-02-10
Abstract
No abstract record available.
Inventors
- 👤 Erik Tornqvist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:18
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/02; C07C2/42; C07C2/44; C07C2/46; C07C2527/00; C07C2527/06; C07C2527/125; C07C2527/126; C07C2527/135; C07C2601/00; C07C2601/18; C07C2601/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
NOVEL SOLID CRYSTALLINE, INORGANIC MATERIAL, CONSISTING ESSENTIALLY OF A COMPOSITION HAVING THE FORMULA TICL3.XACL3 PRODUCED BY REACTING TICL4 WITH ACTIVATED ALUMINUM IN AN AROMATIC DILUENT AT TEMPERATURES OF ABOUT 25* TO 85*C., THE ALUMINUM BEING ACTIVATED BY GRINDING IN THE PRESENCE OF A SOLID ESSENTIALLY INERT METAL HALIDE IN WHICH X REPRESENTS A VALUE OF FROM ABOUT 0.3 TO ABOUT 1, AND HAVING A CRYSTAL STRUCTURE WHICH YIELD THE X-RAY DIFFRACTION PATTERN REPRESENTED IN THE FOLLOWING TABLE, SAID STRUCTURE BEING DEFINED AS BETA-TICL3. X ALCL3.
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) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |