US3547858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrolysis of esters in the molten state
Assignee: Monsanto Chemicals Ltd
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Filing: 1969-08-27
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Granted: 1970-12-15
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Expires: 1989-08-27
Abstract
No abstract record available.
Inventors
- 👤 Roy Worrall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:05
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/12; B; B29; B29C; B29C48/00; C08F2800/00; C08F2800/20
Claims Analysis
Total Claims: 0
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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) | 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 |