Patent US3128300A successfully refreshed from Google Patents.
US3128300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3-phenoxyacrylonitriles prepared by cyanovinylation reaction
Assignee: Monsanto Chemicals Ltd
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Filing: 1960-12-09
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Granted: 1964-04-07
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert E Miller
- 👤 Lee A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:57
CPC Classifications
C; C07; C07C; C07C255/00; A; A01; A01N; A01N39/00; A01N39/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
4 words
3-PHENOXYACRYLONITRILES OF THE FORMULA
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) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |