US3189544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-ash-containing lubricating oil composition
Assignee: Shell USA Inc
•
Filing: 1962-12-19
•
Granted: 1965-06-15
•
Expires: 1982-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ratner Hyman
- 👤 Roland F Bergstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:35
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C08; C08F; C08F8/00; C08F8/34; C08F8/36; C08F8/46; C08F8/48; C10; C10M; C10M133/00; C10M133/52; C10M133/56; C08F2810/00; C08F2810/50; C10M2205/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/086; C10M2215/24; C10M2215/26; C10M2215/28; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/083; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/065; C10M2223/12; C10M2225/00; C10M2225/04; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2010/00; C10N2010/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF LUBRICATING OIL AND MINOR AMOUNT, SUFFICIENT TO IMPART DETERGENCY AND PREVENT WEAR, OF A NITROGENCONTAINING NON-ASH FORMING DETERGENT SALT OF AN AMINOIMIDE OF A MONO C20-300 POLYMERIC HYDROCARBYL SUBSTITUTED SUCCINIC ANHYDRIDE THE AMINE USED TO FORM THE AMINO-IMIDE BEING AN ALIPHATIC POLYAMINE HAVING AT LEAST 2 AMINE GROUPS AND AN ORGANIC SULFONIC ACID THE ACID BEING PRESENT IN AN AMOUNT SUFFICIENT TO NEUTRALIZE AT LEAST 10% OF THE AMINO-IMIDE COMPOUND.
Claim 2
Dependent Claim
78 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF LUBRICATING OIL AND MINOR AMOUNT, SUFFICIENT TO IMPART DETERGENCY AND PREVENT WEAR, OF A NITROGENCONTAINING NON-ASH FORMING DETERGENT SALT OF AN AMINOIMIDE OF A MONO C20-300 POLYMERIC HYDROCARBYL SUBSTITUTED SUCCINIC ANHYDRIDE THE AMINE USED TO FORM THE AMINO-IMIDE BEING AN ALIPHATIC POLYAMINE HAVING AT LEAST 2 AMINE GROUPS AND AN ORGANIC SULFONIC ACID THE ACID BEING PRESENT IN AN AMOUNT SUFFICIENT TO NEUTRALIZE AT LEAST 10% OF THE AMINO-IMIDE COMPOUND.
References Cited (Backward Citations)
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Cited
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US3038857A
Cited
US3041279A
Cited
US3018247A
Cited
US3087936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |