Patent US2741597A successfully refreshed from Google Patents.
US2741597A
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US
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Manufacture of alkenyl succinic acid
Assignee: Texaco Inc
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Filing: 1952-03-08
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Granted: 1956-04-10
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Expires: 1972-03-08
Abstract
No abstract record available.
Inventors
- 👤 Johan C D Oosterhout
- 👤 Willis L Banks
- 👤 William F Glassmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:31
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07C; C07C51/00; C07C51/54; C07C51/567; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/067; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/135; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR801919A
Cited
US2283214A
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US2230005A
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US2297039A
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US2360426A
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US2402825A
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US2452320A
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US2496358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |