Patent US2813828A successfully refreshed from Google Patents.
US2813828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized grease composition containing a thiodiarylamine and a dialkyl telluride or selanide
Assignee: Shell Development Co
•
Filing: 1955-04-25
•
Granted: 1957-11-19
•
Expires: 1975-04-25
Abstract
No abstract record available.
Inventors
- 👤 Harold A Woods
- 👤 Loren C Bollinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:37
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/084; C10M2219/085; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A LUBRICATING GREASE COMPRISING A MAJOR AMOUNT OF A MIXED LUBRICATING OIL, SAID OIL COMPRISING A MAJOR AMOUNT OF BIS(2-ETHYLHEXYL) SEBACATE AND A MINOR AMOUNT OF A MINERAL OIL, A MINOR AMOUNT OF LITHIUM STEARATE SUFFICIENT TO THICKEN SAID OIL TO A GREASE CONSISTENCY, AND 0.25-2% BY WEIGHT EACH OF SODIUM PETROLEUM SULFONATES, OCTYLPHENOXYTETRAETHOXYETHANOL, DILAURYL SELENIDE AND PHENOTHIAZINE.
Claim 2
Dependent Claim
58 words
A LUBRICATING GREASE COMPRISING A MAJOR AMOUNT OF A MIXED LUBRICATING OIL, SAID OIL COMPRISING A MAJOR AMOUNT OF BIS(2-ETHYLHEXYL) SEBACATE AND A MINOR AMOUNT OF A MINERAL OIL, A MINOR AMOUNT OF LITHIUM STEARATE SUFFICIENT TO THICKEN SAID OIL TO A GREASE CONSISTENCY, AND 0.25-2% BY WEIGHT EACH OF SODIUM PETROLEUM SULFONATES, OCTYLPHENOXYTETRAETHOXYETHANOL, DILAURYL SELENIDE AND PHENOTHIAZINE.
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) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |