US2801968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet turbine lubricant
Assignee: California Research LLC
•
Filing: 1953-09-30
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Granted: 1957-08-06
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Expires: 1973-09-30
Abstract
No abstract record available.
Inventors
- 👤 Neal W Furby
- 👤 John M Stokely
- 👤 Edward G Foehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:42
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/025; C10M2207/28; C10M2207/282; C10M2207/34; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/105; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/043; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2020/00; C10N2020/01; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/12; C10N2040/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A LUBRICANT COMPOSITION MADE UP OF FROM ABOUT 90 TO 98% BY WEIGHT OF METHYL SEC-BUTYL DIETHER OF POLY1,2-OXYPROPYLENE GLYCOL HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 315 AND 700, FROM 0.5 TO 3% BY WEIGHT OF A DIALKYL SELENIDE WHEREIN THE ALKYL GROUPS EACH CONTAIN FROM 6 TO 18 CARBON ATOMS, FROM 0.1 TO 0.5% BY WEIGHT OF A BLEND OF DODECYLAMINE DODECYL ACID PHOSPHATE AND DODECYL DIHYDROGEN PHOSPHATE WHEREIN THE DODECYLAMINE SALT CONSTITUTES FROM 25 TO 95% BY WEIGHT, FROM 0.5 TO 5% BY WEIGHT OF TRICRESYL PHOSPHATE, FROM 0.01 TO 0.1% BY WEIGHT OF QUINIZARIN AND FROM 0.0001 TO 0.02% BY WEIGHT OF DIMETHYL SILICONE.
Claim 2
Dependent Claim
107 words
A LUBRICANT COMPOSITION MADE UP OF FROM ABOUT 90 TO 98% BY WEIGHT OF METHYL SEC-BUTYL DIETHER OF POLY1,2-OXYPROPYLENE GLYCOL HAVING A MOLECULAR WEIGHT BETWEEN ABOUT 315 AND 700, FROM 0.5 TO 3% BY WEIGHT OF A DIALKYL SELENIDE WHEREIN THE ALKYL GROUPS EACH CONTAIN FROM 6 TO 18 CARBON ATOMS, FROM 0.1 TO 0.5% BY WEIGHT OF A BLEND OF DODECYLAMINE DODECYL ACID PHOSPHATE AND DODECYL DIHYDROGEN PHOSPHATE WHEREIN THE DODECYLAMINE SALT CONSTITUTES FROM 25 TO 95% BY WEIGHT, FROM 0.5 TO 5% BY WEIGHT OF TRICRESYL PHOSPHATE, FROM 0.01 TO 0.1% BY WEIGHT OF QUINIZARIN AND FROM 0.0001 TO 0.02% BY WEIGHT OF DIMETHYL SILICONE.
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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |