Novel diamidodialanes and process for the preparation thereof
Abstract
Abstract A NEW CLASS OF DIAMIDODIALANES, REPRESENTD BY THE FORMULA: X2-AL-N(-R)-(CH2)N-N(-R)-AL-X2 WHEREIN X IS HYDROGEN, HALOGEN OR A SECONDARY AMINE RADICAL; EACH R IS A HYDROCARBON RADICAL AND SAID R''S, TOGETHER, ARE MEMBERS OF THE GROUP CONSISTING OF (A) A PAIR OF HYDROCARBON RADICALS THAT ARE UNLINKED DIRECTLY TO EACH OTHER, AND (B) A PAIR OF HYDROCARBONS THAT ARE LINKED DIRECTLY TO EACH OTHER TO FORM A RING; AND N IS A WHOLE NUMBER RANGING FROM 2 TO 6. THE RESEPECTIVE MEMBERS ARE USEFUL AS A COMPONENT OF A CATALYST SYSTEM IN THE POLYMERIZATION OF OLEFINS, DIOLEFINS AND POLYENES, AND MAY BE PREPARED BY A SUBSTITUTION REACTION OF A DIAMINE CHLOROHYDRATE WITH AN ALUMINUM HYDRIDE.
Inventors
- 👤 M Corbellini
- 👤 A Balducci
Bibliographic Details
Claims Analysis
Total Claims: 0References 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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |