Patent US2686719A successfully refreshed from Google Patents.
US2686719A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of crops
Assignee: Universal Oil Products Co
•
Filing: 1950-07-28
•
Granted: 1954-08-17
•
Expires: 1970-07-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:17
CPC Classifications
A; A23; A23K; A23K30/00; A23K30/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR STABILIZING CROPS SUBJECT TO OXIDATIVE DETERIORATION WHICH COMPRISES APPLYING THERETO AN INHIBITOR COMPRISES A N,N''-DI-ALKYLENE-P-PHENYLENE DIAMINE WHEREIN THE ALKYLENE GROUPS CONTAIN FROM 6 TO 12 CARBON ATOMS EACH.
Claim 2
Dependent Claim
31 words
A PROCESS FOR STABILIZING CROPS SUBJECT TO OXIDATIVE DETERIORATION WHICH COMPRISES APPLYING THERETO AN INHIBITOR COMPRISES A N,N''-DI-ALKYLENE-P-PHENYLENE DIAMINE WHEREIN THE ALKYLENE GROUPS CONTAIN FROM 6 TO 12 CARBON ATOMS EACH.
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) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |