US3780085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Malononitrile oxime derivatives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1972-06-15
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Granted: 1973-12-18
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Expires: 1992-06-15
Abstract
Abstract DERIVATIVES OF MALONONITRILE OXIME CHARACTERIZED BY THE FOLLOWING STRUCTURAL FORMULA: (NC)2-C=N-O-C(=X)-R1 WHEREIN X CAN BE OXYGEN OR SULFUR; R1 IS TAKEN FROM THE GROUP CONSISTING OF OR2, SR3, NR4R5 AND C1-C10 ALKYL, C2-C10 ALKENYL, C2-C10 ALKYNYL OR C3-C10 CYCLOALKYL; R2, R3, R4 AND R5 CAN BE HYDROGEN OR C 1-C10 ALKYL, C2-C10 ALKENYL, C2-C10 ALKYNYL OR C3-C10 CYCLOALKYL. THE ABOVE-MENTIONED C1-C10 ALKYL, C2-C10 ALKENYL, C2-C10 ALKYNYL AND C3-C10 CYCLOALKYL IN R1, R2, R3, R4 AND R5 MAY BE UNSUBSTITUTED OR SUBSTITUTED BY HALOGEN, NITRILE, NITRO, THIOCYANO, PERHALO, C1-C4 ALKOXY AND C1-C4 THIOALKYL.
Inventors
- 👤 J Engelhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:52
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/44; A01N37/50
Claims Analysis
Total Claims: 0
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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) | 1976-12-17 | 1977-06-18 | 1977-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-17 | 1981-06-18 | 1981-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-17 | 1985-06-18 | 1985-12-18 | $7700.00 | Window Closed / Lapsed |