Patent US3121064A successfully refreshed from Google Patents.
US3121064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen halide activation of ticl4-alkyl aluminum halide catalysts
Assignee: Hoechst AG
•
Filing: 1959-01-27
•
Granted: 1964-02-11
•
Expires: 1979-01-27
Abstract
No abstract record available.
Inventors
- 👤 Patat Franz
- 👤 Sinn Hans-Jorg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:49
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J31/26; B01J31/38; B01J31/40; B01J31/4015; C; C08; C08F; C08F10/00; B01J27/00; B01J27/06; B01J27/08; B01J27/10; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |