US3682830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of chlorinated hydrocarbons
Assignee: OCCIDENTIAL ELECTROCHEMICALS Corp
•
Filing: 1970-07-13
•
Granted: 1972-08-08
•
Expires: 1990-07-13
Abstract
Abstract A CLASS OF HYDRAZONES, ALKOXYALDEHYDE HYDRAZONES, PARTICULARLY USEFUL AS STABILIZERS FOR CHLORINATED HYDROCARBONS, ARE DISCLOSED.
Inventors
- 👤 Norman L Beckers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:30
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72; C07C17/00; C07C17/38; C07C17/42; C23; C23G; C23G5/00; C23G5/02; C23G5/028; C23G5/02854; C23G5/02883
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |