Patent US3250690A successfully refreshed from Google Patents.
US3250690A
Expired / Lapsed
US
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Electrolytic reductive coupling of cyano compounds
Assignee: Monsanto Co
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Filing: 1963-12-23
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Granted: 1966-05-10
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Manuel M Baizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:10
CPC Classifications
C; C25; C25B; C25B3/00; C25B3/20; C25B3/29; C25B3/295; C25B3/01; C25B3/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
THE METHOD OF PRODUCING A REDUCED COUPLED PRODUCT WHICH COMPRISES SUBJECTING A SOLUTION OF SUBSTANTIAL AMOUNTS OF 1-CYANOBUTADIENES REPRESENTED BY THE FORMULA:
Claim 2
Independent Claim
22 words
THE METHOD OF PRODUCING A REDUCED COUPLED PRODUCT WHICH COMPRISES SUBJECTING A SOLUTION OF SUBSTANTIAL AMOUNTS OF 1-CYANOBUTADIENES REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US3205154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |