US3098042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants containing polybutene-1
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1957-01-17
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Granted: 1963-07-16
•
Expires: 1977-01-17
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Jr Joseph M Kelley
- 👤 Charles W Seelbach
- 👤 Delmer L Cottle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:13
CPC Classifications
C; C10; C10M; C10M161/00; C08; C08F; C08F10/00; C10M143/00; C10M143/06; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/10; C10M2201/102; C10M2201/103; C10M2201/105; C10M2205/00; C10M2205/02; C10M2205/022; C10M2205/026; C10M2205/14; C10M2207/00; C10M2207/04; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/109; C10M2209/11; C10M2209/111; C10M2209/112; C10M2211/00; C10M2211/06; C10M2213/00; C10M2213/02; C10M2213/06; C10M2213/062; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2020/00; C10N2020/01
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A SOLID LUBRICATING GREASE HAVING A DROPPING POINT IN EXCESS OF ABOUT 120*F. COMPRISING: (A) A MAJOR PROPORTION OF A LUBRICATING OIL; (B) ABOUT 3 TO 35 WT. PERCENT OF CALCIUM ACETATE, SAID CALCIUM ACETATE BEING THE SOLE METAL SALT OF FATTY ACID PRESENT IN SAID LUBRICATING GREASE COMPOSITION; AND (C) ABOUT 0.5 TO 10.0 WT. PERCENT OF A NORMALLY SOLID POLYBUTENE-1 HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF ABOUT 10,000 TO 200,000.
Claim 2
Dependent Claim
74 words
A SOLID LUBRICATING GREASE HAVING A DROPPING POINT IN EXCESS OF ABOUT 120*F. COMPRISING: (A) A MAJOR PROPORTION OF A LUBRICATING OIL; (B) ABOUT 3 TO 35 WT. PERCENT OF CALCIUM ACETATE, SAID CALCIUM ACETATE BEING THE SOLE METAL SALT OF FATTY ACID PRESENT IN SAID LUBRICATING GREASE COMPOSITION; AND (C) ABOUT 0.5 TO 10.0 WT. PERCENT OF A NORMALLY SOLID POLYBUTENE-1 HAVING A MOLECULAR WEIGHT WITHIN THE RANGE OF ABOUT 10,000 TO 200,000.
Claim 3
Independent Claim
49 words
A METHOD FOR PREPARING DISPERSIONS OF POLYBUTENE-1 OF 10,000 TO 200,000 MOL. WT. IN LUBRACATING OIL, WHICH COMPRISES HEATING SAID POLYBUTENT-1 IN SAID LUBRICATING OIL IN THE PRESENCE OF 0.01 TO 5.0 WT. PERCENT, BASED ON THE WEIGHT OF POLYBUTENE-1, OF AN N-ACYL P-AMINO PHENOLIC DERIVATIVE HAVING THE FORMULA
Claim 4
Independent Claim
49 words
A METHOD FOR PREPARING DISPERSIONS OF POLYBUTENE-1 OF 10,000 TO 200,000 MOL. WT. IN LUBRACATING OIL, WHICH COMPRISES HEATING SAID POLYBUTENT-1 IN SAID LUBRICATING OIL IN THE PRESENCE OF 0.01 TO 5.0 WT. PERCENT, BASED ON THE WEIGHT OF POLYBUTENE-1, OF AN N-ACYL P-AMINO PHENOLIC DERIVATIVE HAVING 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) | 1966-07-15 | 1967-01-14 | 1967-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-15 | 1971-01-14 | 1971-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-15 | 1975-01-14 | 1975-07-16 | $7700.00 | Window Closed / Lapsed |