US3239462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Shell USA Inc
•
Filing: 1962-10-15
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Granted: 1966-03-08
•
Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Roland F Bergstrom
- 👤 Ratner Hyman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:52
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C07F; C07F9/00; C07F9/90; C07F9/902; C10; C10M; C10M141/00; C10M141/08; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/024; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2209/108; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/086; C10M2215/12; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/02; C10M2217/028; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/084; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/02; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10N; C10N2010/00; C10N2010/04; C10N2010/10; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF LUBRICATING OIL AND FROM ABOUT 0.5% TO ABOUT 10% BY WEIGHT OF EACH OF (1) AND OIL-SOLUBLE AMINOIMIDE OF A MONO C20-300 POLYOLEFIN SUBSTITUTED SUCCINIC ANHYDRIDE THE AMINE USED TO FORM THE AMINO-IMIDES BEING A POLYALKYLENE POLYAMINE AND (11) AN OIL-SOLUBLE ANTIMONY DIALKYL DITHIOCARBAMATE THE ALKYL RADICALS TOTALLY HAVING 4-18 CARBON ATOMS.
Claim 2
Dependent Claim
62 words
A LUBRICATING COMPOSITION CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF LUBRICATING OIL AND FROM ABOUT 0.5% TO ABOUT 10% BY WEIGHT OF EACH OF (1) AND OIL-SOLUBLE AMINOIMIDE OF A MONO C20-300 POLYOLEFIN SUBSTITUTED SUCCINIC ANHYDRIDE THE AMINE USED TO FORM THE AMINO-IMIDES BEING A POLYALKYLENE POLYAMINE AND (11) AN OIL-SOLUBLE ANTIMONY DIALKYL DITHIOCARBAMATE THE ALKYL RADICALS TOTALLY HAVING 4-18 CARBON ATOMS.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |