Patent US2605260A successfully refreshed from Google Patents.
US2605260A
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Azonitriles containing tertiary amino substituents
Assignee: EIDP Inc
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Filing: 1949-05-26
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Granted: 1952-07-29
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Expires: 1969-05-26
Abstract
No abstract record available.
Inventors
- 👤 Johnson John Raven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:18
CPC Classifications
C; C07; C07C; C07C255/00; C07C255/63; C07C255/65; C08; C08F; C08F4/00; C08F4/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
7 words
ALPHA, ALPHA'' -AZOBIS(ALPHA - METHYL - DELTAPIPERIDINOVALERONITRILE).
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) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |