US3024237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkenyl succinimides of piperazines
Assignee: California Research LLC
•
Filing: 1959-08-24
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Granted: 1962-03-06
•
Expires: 1979-08-24
Abstract
No abstract record available.
Inventors
- 👤 Alan Y Drummond
- 👤 Robert G Anderson
- 👤 Frank A Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:43
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C08; C08F; C08F8/00; C08F8/30; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2203/10; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2215/00; C10M2215/086; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/06; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2010/00; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
THE COMPOUNDS, N-ALKYLPIPERAZINE MONOALKENYL SUCCINIMIDES WHEREIN SAID ALKENYL RADICAL CONTAINS FROM 30 TO 200 CARBON ATOMS, AND SAID ALKYL RADICAL CONTAINS FROM 1 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
27 words
THE COMPOUNDS, N-ALKYLPIPERAZINE MONOALKENYL SUCCINIMIDES WHEREIN SAID ALKENYL RADICAL CONTAINS FROM 30 TO 200 CARBON ATOMS, AND SAID ALKYL RADICAL CONTAINS FROM 1 TO 3 CARBON ATOMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |