US2709175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldehyde-dicyclopentadienyliron reaction product and method of making
Assignee: EIDP Inc
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Filing: 1953-01-12
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Granted: 1955-05-24
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Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
- 👤 Peter J Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:15
CPC Classifications
C; C07; C07F; C07F17/00; C07F17/02; C09; C09C; C09C3/00; C09C3/08; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/305
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
A WATER-INSOLUBLE, NON-VOLATILE ALDEHYDE-DICYCLOPENTADIENYLIRON PRODUCT OF THE REACTION OF DICYCLOPENTADIENYLIRON WITH AN ALDEHYDE WHICH IS HYDROCARBON EXCEPT FOR CARBONYL OXYGEN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-23 | 1958-11-22 | 1959-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-23 | 1962-11-22 | 1963-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-23 | 1966-11-22 | 1967-05-24 | $7700.00 | Window Closed / Lapsed |