US3112334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing diethyl oxalimidate
Assignee: Wyandotte Chemicals Corp
•
Filing: 1960-06-16
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Granted: 1963-11-26
•
Expires: 1980-06-16
Abstract
No abstract record available.
Inventors
- 👤 John D Behun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:20
CPC Classifications
C; C22; C22C; C22C38/00; C22C38/18; C22C38/40; C22C38/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
A PROCESS FOR PREPARING DIETHYL OXALIMIDATE OF THE FORMULA:
Claim 2
Dependent Claim
9 words
A PROCESS FOR PREPARING DIETHYL OXALIMIDATE OF THE FORMULA:
References Cited (Backward Citations)
DE868908C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |