US3548408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for esterification of polymers containing alcoholic groups
Assignee: Monsanto Chemicals Ltd
•
Filing: 1967-10-24
•
Granted: 1970-12-15
•
Expires: 1987-10-24
Abstract
No abstract record available.
Inventors
- 👤 Roy Worrall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:37
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/14; C08F8/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |