US2874122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkali metal soap thickened lubricating oil
Assignee: North Atlantic Energies SA
•
Filing: 1956-04-09
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Granted: 1959-02-17
•
Expires: 1976-04-09
Abstract
No abstract record available.
Inventors
- 👤 Metenier Robert Henri
- 👤 Signouret Jean-Baptiste
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:10
CPC Classifications
C; C10; C10M; C10M5/00; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10N; C10N2010/00; C10N2010/02; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A LUBARICATING GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, IN THE RANGE OF 3 TO 30 WEIGHT PERCENT OF AN ALKALI METAL SOAP OF A LONG CHAIN FATTY ACID, AND IN THE RANGE OF 0.1 TO 5 WEIGHT PERCENT OF A STABILIZING AGENT CONSISTING ESSENTIALLY OF A REACTION PRODUCT FORMED BY THE CONDENSATION OF A HIGHER ALKYL PHENOL, A FORMALDEHYDE AND AMMONIA IN AN OIL DILUENT AT A TEMPERATURE IN THE RANGE OF 130* TO 300*F. TO OBTAIN A PHENOLIC-AMINO-RESIN CONTAINING IN THE RANGE OF 1.4 TO 2.2 WEIGHT PERCENT COMBINED NITROGEN AND THEN REACTING SAID RESIN WITHIN THE RANGE OF 15 ATO 25 WEIGHT PERCENT, BASED ON SAID RESIN, OF AN ALKYLENE OXIDE HAVING IN THE RANGE OF 2 TO 6 CARBON ATOMS AT A TEMPERATURE IN THE RANGE OF 320* TO 360*F.
Claim 2
Dependent Claim
138 words
A LUBARICATING GREASE COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, IN THE RANGE OF 3 TO 30 WEIGHT PERCENT OF AN ALKALI METAL SOAP OF A LONG CHAIN FATTY ACID, AND IN THE RANGE OF 0.1 TO 5 WEIGHT PERCENT OF A STABILIZING AGENT CONSISTING ESSENTIALLY OF A REACTION PRODUCT FORMED BY THE CONDENSATION OF A HIGHER ALKYL PHENOL, A FORMALDEHYDE AND AMMONIA IN AN OIL DILUENT AT A TEMPERATURE IN THE RANGE OF 130* TO 300*F. TO OBTAIN A PHENOLIC-AMINO-RESIN CONTAINING IN THE RANGE OF 1.4 TO 2.2 WEIGHT PERCENT COMBINED NITROGEN AND THEN REACTING SAID RESIN WITHIN THE RANGE OF 15 ATO 25 WEIGHT PERCENT, BASED ON SAID RESIN, OF AN ALKYLENE OXIDE HAVING IN THE RANGE OF 2 TO 6 CARBON ATOMS AT A TEMPERATURE IN THE RANGE OF 320* TO 360*F.
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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) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |