Patent US2716089A successfully refreshed from Google Patents.
US2716089A
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US
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Motor oil inhibitor
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1952-07-10
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Granted: 1955-08-23
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Expires: 1972-07-10
Abstract
No abstract record available.
Inventors
- 👤 Elmer B Cyphers
- 👤 Leonard E Moody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:42
CPC Classifications
C; C10; C10M; C10M135/00; C10M135/12; C10M135/14; C10M135/18; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/108; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10N; C10N2010/00; C10N2010/10; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A COMPOSITION COMPRISING A MINERAL LUBRICATING OIL AND A MINOR AMOUNT, SUFFICIENT TO SUPPRESS COKING OF SAID OIL, OF AN ANTIMONY SALT OF A DIHYDROCARBON DITHINOCARBAMIC ACID, EACH OF THE HYDROCARBON PORTIONS OF SAID ACID HAVING IN THE RANGE OF 1 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
45 words
A COMPOSITION COMPRISING A MINERAL LUBRICATING OIL AND A MINOR AMOUNT, SUFFICIENT TO SUPPRESS COKING OF SAID OIL, OF AN ANTIMONY SALT OF A DIHYDROCARBON DITHINOCARBAMIC ACID, EACH OF THE HYDROCARBON PORTIONS OF SAID ACID HAVING IN THE RANGE OF 1 TO 20 CARBON ATOMS.
References Cited (Backward Citations)
US2304800A
Cited
US2265851A
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US2436051A
Cited
US2492314A
Cited
GB660355A
Cited
US2580274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |