US3450666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of clay in systems containing vinyl monomers
Assignee: BASF Catalysts LLC
•
Filing: 1967-09-08
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Granted: 1969-06-17
•
Expires: 1987-09-08
Abstract
No abstract record available.
Inventors
- 👤 John C Nease
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:22
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/346; C08F; C08F2/00; C08F2/38; C08K5/00; C08K5/04; C08K5/10; C08K5/101
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3094499A
Cited
US3278479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |