Patent US2561232A successfully refreshed from Google Patents.
US2561232A
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Dialkylalkenylsuccinates
Assignee: Standard Oil Development Co
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Filing: 1948-12-30
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Granted: 1951-07-17
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Expires: 1968-12-30
Abstract
No abstract record available.
Inventors
- 👤 Harry W Rudel
- 👤 Jones I Wasson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:05
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/44; E05F11/445; C; C07; C07C; C07C51/00; C07C51/347; C07C51/353; C07C51/54; C07C51/567; C07C57/00; C07C57/02; C07C57/13; C10; C10M; C10M3/00; C10M2207/00; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/084; C10M2221/00; C10M2221/04; C10M2221/043; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AS A NEW COMPOSITION OF MATTER AN ALIPHATIC ALCOHOL DIESTER OF AN ALKENYLSUCCINIC ACID CONTAINING A SINGLE ALKENYL GROUP OF 4 TO 24 CARBON ATOMS, IN WHICH THE ALCOHOL RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF (1) ALKYL GROUPS OF 2 TO 14 CARBON ATOMS AND (2) ALKOXY RADICALS OF THE TYPE.
Claim 2
Dependent Claim
53 words
AS A NEW COMPOSITION OF MATTER AN ALIPHATIC ALCOHOL DIESTER OF AN ALKENYLSUCCINIC ACID CONTAINING A SINGLE ALKENYL GROUP OF 4 TO 24 CARBON ATOMS, IN WHICH THE ALCOHOL RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF (1) ALKYL GROUPS OF 2 TO 14 CARBON ATOMS AND (2) ALKOXY RADICALS OF THE TYPE.
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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |