Patent US3110706A successfully refreshed from Google Patents.
US3110706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of polymers by anionic polymerization in solution
Assignee: BASF SE
•
Filing: 1960-06-23
•
Granted: 1963-11-12
•
Expires: 1980-06-23
Abstract
No abstract record available.
Inventors
- 👤 Vollmert Bruno
- 👤 Hesser Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:37
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/38; C08F2/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE888172C
Cited
US2920065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |