Patent US1581697A successfully refreshed from Google Patents.
Patent US3044960A successfully refreshed from Google Patents.
US3044960A
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US
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Lubricating oil containing metal salts derived from hydrogenated bridged phenols andlow molecular weight acids
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-05-26
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Granted: 1962-07-17
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Expires: 1979-05-26
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Jeffrey H Bartlett
- 👤 Clifford W Muessig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:04
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2406; C10L1/2412; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/084; C10M2201/085; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/027; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/22; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/10; C10M2209/101; C10M2209/103; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2217/00; C10M2217/02; C10M2217/04; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2219/085; C10M2219/087; C10M2219/088; C10M2219/089; C10M2221/00; C10M2221/02; C10M2221/04; C10M2227/00; C10M2227/04; C10N; C10N2010/00; C10N2010/04; C10N2010/06; C10N2010/12; C10N2010/14; C10N2010/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A LUBRICANT COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL HAVING A VISCOSITY IN THE RANGE OF 60 TO 3000 SSU AT 100*F. AND 0.2 TO 40 PERCENT BY WEIGHT OF POLYVALENT METAL SALTS OF A HYDROGENATED BRIDGED PHENOL AND A LOW MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING ABOUT 2 CARBON ATOMS PER MOLECULE, WHEREIN SAID HYDROGENATED BRIDGED PHENOL COMPRISES THE FULLY HYDROGENATED PRODUCT OF A BRIDGED PHENOL HAVING THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
71 words
A LUBRICANT COMPRISING A MAJOR PROPORTION OF A LUBRICATING OIL HAVING A VISCOSITY IN THE RANGE OF 60 TO 3000 SSU AT 100*F. AND 0.2 TO 40 PERCENT BY WEIGHT OF POLYVALENT METAL SALTS OF A HYDROGENATED BRIDGED PHENOL AND A LOW MOLECULAR WEIGHT MONOCARBOXYLIC ACID HAVING ABOUT 2 CARBON ATOMS PER MOLECULE, WHEREIN SAID HYDROGENATED BRIDGED PHENOL COMPRISES THE FULLY HYDROGENATED PRODUCT OF A BRIDGED PHENOL HAVING THE FOLLOWING FORMULA:
References Cited (Backward Citations)
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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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |