US2960469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load carrying lubricant
Assignee: Sinclair Refining Co
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Filing: 1957-03-21
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Granted: 1960-11-15
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Expires: 1977-03-21
Abstract
No abstract record available.
Inventors
- 👤 David W Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:33
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F7/00; C07F7/003; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/04; C10M2207/08; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/20; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/086; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2209/109; C10M2209/11; C10M2209/112; C10M2209/12; C10M2211/00; C10M2211/04; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/14; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2227/00; C10M2227/06; C10M2227/065; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/042; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/08; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A COMPOSITION CONSISTING ESSENTIALLY OF A BASE OIL OF LUBRICATING VISCOSITY, A SUFFICIENT AMOUNT TO ENHANCE THE LOAD CARRYING CAPACITY OF AN ADDITIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF BASD OIL-COMPATIBLE PRODUCTS FORMED BY THE REACTION OF A TITANIUM TETRAESTER WITH A GLYCON CONTAINING FROM 2 TO ABOUT 24 CARBON ATOMS, SAID TITANIUM TETRAESTER AND GLYCOL REACTING IN THE RATIO OF ABOUT 1/2 TO 4 MOLES OF GLYCOL TO EACH MOLE OF TITANIUM TETRAESTER, AND THE BASE OIL-COMPATIBLE POLYMERS THEROF, AND AN AMOUNT OF A BASE OIL-COMPATIBLE DIBASIC ACID SUFFICIENT TO PROVIDE INCREASED LOAD CARRYING CAPACITY TO THE COMPOSITION.
Claim 2
Dependent Claim
100 words
A COMPOSITION CONSISTING ESSENTIALLY OF A BASE OIL OF LUBRICATING VISCOSITY, A SUFFICIENT AMOUNT TO ENHANCE THE LOAD CARRYING CAPACITY OF AN ADDITIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF BASD OIL-COMPATIBLE PRODUCTS FORMED BY THE REACTION OF A TITANIUM TETRAESTER WITH A GLYCON CONTAINING FROM 2 TO ABOUT 24 CARBON ATOMS, SAID TITANIUM TETRAESTER AND GLYCOL REACTING IN THE RATIO OF ABOUT 1/2 TO 4 MOLES OF GLYCOL TO EACH MOLE OF TITANIUM TETRAESTER, AND THE BASE OIL-COMPATIBLE POLYMERS THEROF, AND AN AMOUNT OF A BASE OIL-COMPATIBLE DIBASIC ACID SUFFICIENT TO PROVIDE INCREASED LOAD CARRYING CAPACITY TO THE COMPOSITION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-15 | 1964-05-16 | 1964-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-15 | 1968-05-16 | 1968-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-15 | 1972-05-16 | 1972-11-15 | $7700.00 | Window Closed / Lapsed |