US3555045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-substituted-1,3-dioxolane compounds and method for preparing same
Assignee: Standard Oil Co
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Filing: 1968-03-22
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Granted: 1971-01-12
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Expires: 1988-03-22
Abstract
Abstract THE NOVEL HERBICIDAL COMPOUNDS, THE 2-(HLOALKYL)-2AMINO-1,3-DIOXOLANES ARE PREPARED IN A ONE-STEP PROCESS BY REACTING AN ALPHA-HALOALIPHATIC NITRILE WITH AN ALKYLENE GLYCOL IN THE PRESENCE OF AN ALKALINE CATALYST.
Inventors
- 👤 Russell K Griffith
- 👤 Romanas Zorska
- 👤 William O Fitzgibbons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:14
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/10; C07D317/32
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |