US3036003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition
Assignee: Sinclair Research Inc
•
Filing: 1957-08-07
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Granted: 1962-05-22
•
Expires: 1977-08-07
Abstract
No abstract record available.
Inventors
- 👤 Verdol Joseph Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:47
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/06; C10M2215/062; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL CONTAINING MINOR DEGERGENT AMOUNTS OF A BASIC ALKALINE EARTH METAL PETROLEUM SULFONATE AND A MINOR AMOUNT OF AN OIL-SOLUBLE INHIBITORDEGERGENT AGENT SELECTED FROM A MEMBER OF THE GROUP CONSISTING OF A CONDENSATION PRODUCT AND THE ALKAINE EARTH METAL SALTS THEREOF OBTAINED BY REACTING AN ALKYL-SUBSTITUTED PHENOL, IN WHICH THE ALKYL GROUP CONTAINS FROM ABOUT 4 TO 20 CARBON ATOMS, AND FROMALDEHYDE WITH AN AMINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED ETHLYLENE IMINES HAVING A MOLECULAR WEIGHT OF ABOUT 30,000 TO 40,000 AND AN ALKYLENE POLYAMINE OF THE FORMULA:
Claim 2
Dependent Claim
101 words
A LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF A MINERAL LUBRICATING OIL CONTAINING MINOR DEGERGENT AMOUNTS OF A BASIC ALKALINE EARTH METAL PETROLEUM SULFONATE AND A MINOR AMOUNT OF AN OIL-SOLUBLE INHIBITORDEGERGENT AGENT SELECTED FROM A MEMBER OF THE GROUP CONSISTING OF A CONDENSATION PRODUCT AND THE ALKAINE EARTH METAL SALTS THEREOF OBTAINED BY REACTING AN ALKYL-SUBSTITUTED PHENOL, IN WHICH THE ALKYL GROUP CONTAINS FROM ABOUT 4 TO 20 CARBON ATOMS, AND FROMALDEHYDE WITH AN AMINE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POLYMERIZED ETHLYLENE IMINES HAVING A MOLECULAR WEIGHT OF ABOUT 30,000 TO 40,000 AND AN ALKYLENE POLYAMINE OF THE FORMULA:
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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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |