US2623855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Shell Development Co
•
Filing: 1948-11-27
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Granted: 1952-12-30
•
Expires: 1968-11-27
Abstract
No abstract record available.
Inventors
- 👤 Garner Philip James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:55
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/24; C10L1/2493; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/026; C10M2205/14; C10M2205/16; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/026; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/287; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2209/10; C10M2209/101; C10M2209/103; C10M2209/105; C10M2209/106; C10M2209/107; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/16; C10M2215/20; C10M2215/202; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/02; C10M2219/022; C10M2219/04; C10M2219/042; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/086; C10M2219/087; C10M2219/089; C10M2221/00; C10M2221/02; C10M2221/04; C10M2221/043; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/063; C10M2223/065; C10M2223/10; C10M2223/12; C10M2225/00; C10M2225/04; C10M2227/00; C10M2227/08; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2010/08; C10N2010/10; C10N2010/12; C10N2010/14; C10N2010/16; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2060/00; C10N2060/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A MINERAL LUBRICATING OIL COMPOSITION HAVING INCORPORATED THEREIN FROM 0.01% TO 5% BY WEIGHT OF AN ALKYL PHENOL HAVING THE FORMULA ROH WHEREIN R IS AN ALKARYL HYDROCARBON RADICAL CONTAINING AN ALKYL GROUP HAVING FROM 8 TO 18 CARBON ATOMS AND AS THE ONLY SULFUR CONTAINING COMPOUND WHEREIN SULFUR IS PRESENT AS A SULFIDE ABOUT 0.01% TO 5% BY WEIGHT OF A SULFURIZED CRACKED WAX OLEFIN, SAID CRACKED WAX OLEFIN HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 185, CONTAINING FROM 10 TO 18 CARBON ATOMS PER MOLECULE, CONTAINING SUBSTANTIALLY ONLY TERMINAL DOUBLE BONDS AND HAVING AN AVERAGE OF ABOUT 0.9 DOUBLE BOND PER MOLECULE.
Claim 2
Dependent Claim
104 words
A MINERAL LUBRICATING OIL COMPOSITION HAVING INCORPORATED THEREIN FROM 0.01% TO 5% BY WEIGHT OF AN ALKYL PHENOL HAVING THE FORMULA ROH WHEREIN R IS AN ALKARYL HYDROCARBON RADICAL CONTAINING AN ALKYL GROUP HAVING FROM 8 TO 18 CARBON ATOMS AND AS THE ONLY SULFUR CONTAINING COMPOUND WHEREIN SULFUR IS PRESENT AS A SULFIDE ABOUT 0.01% TO 5% BY WEIGHT OF A SULFURIZED CRACKED WAX OLEFIN, SAID CRACKED WAX OLEFIN HAVING AN AVERAGE MOLECULAR WEIGHT OF ABOUT 185, CONTAINING FROM 10 TO 18 CARBON ATOMS PER MOLECULE, CONTAINING SUBSTANTIALLY ONLY TERMINAL DOUBLE BONDS AND HAVING AN AVERAGE OF ABOUT 0.9 DOUBLE BOND PER MOLECULE.
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) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |