Patent US3749403A successfully refreshed from Google Patents.
Patent US3107220A successfully refreshed from Google Patents.
US3107220A
Expired / Lapsed
US
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Lubricant containing a hindered phenol
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1960-10-03
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Granted: 1963-10-15
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Expires: 1980-10-03
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
C; C10; C10M; C10M5/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/024; C10M2205/14; C10M2205/18; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/282; C10M2207/32; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/10; C10M2209/103; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A LUBRICANT COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL, ABOUT 3 TO 40 WT. PERCENT OF CALCIUM SALT OF C2 TO C30 FATTY ACID AND ABOUT 0.1 TO 3 WT. PERCENT OF 4,4''-METHYLENEBIS (2,6-DI-TERTIARYL BUTYL PHENOL), WHEREIN SAID LUBRICANT CONTAINS FREE CALCIUM BASE TO THEREBY FORM A SLIGHTLY ALKALINE LUBRICANT.
Claim 2
Dependent Claim
50 words
A LUBRICANT COMPRISING A MAJOR PROPORTION OF LUBRICATING OIL, ABOUT 3 TO 40 WT. PERCENT OF CALCIUM SALT OF C2 TO C30 FATTY ACID AND ABOUT 0.1 TO 3 WT. PERCENT OF 4,4''-METHYLENEBIS (2,6-DI-TERTIARYL BUTYL PHENOL), WHEREIN SAID LUBRICANT CONTAINS FREE CALCIUM BASE TO THEREBY FORM A SLIGHTLY ALKALINE LUBRICANT.
References Cited (Backward Citations)
US2846392A
Cited
US2944086A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |