US3136809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of alpha, beta-unsaturated nitriles
Assignee: EIDP Inc
•
Filing: 1962-05-18
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Granted: 1964-06-09
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Robert R Seiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:38
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A COMPOSITION COMPRISING: (1) AN ALPHA, BETA-UNSATURATEDNITRILE OF THE FORMULA
Claim 2
Dependent Claim
10 words
A COMPOSITION COMPRISING: (1) AN ALPHA, BETA-UNSATURATEDNITRILE 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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |