US3267033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating composition having desirable frictional characteristics
Assignee: Lubrizol Corp
•
Filing: 1963-04-15
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Granted: 1966-08-16
•
Expires: 1983-04-15
Abstract
No abstract record available.
Inventors
- 👤 John W Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:22
CPC Classifications
C; C10; C10M; C10M141/00; C10M141/10; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/08; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2207/40; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2211/00; C10M2211/02; C10M2211/024; C10M2211/04; C10M2211/042; C10M2211/044; C10M2211/06; C10M2211/08; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/08; C10M2219/082; C10M2219/09; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10M2223/047; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2040/00; C10N2040/02; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
77 words
A COMPOSITION CONSISTING ESSENTIALLY OF (A) AN OILSOLUBLE UNSATURATED FATTY ACID HAVING FROM ABOUT 12 TO ABOUT 30 ALIPHATIC CARBON ATOMS AND (B) A SALT OF A TERTIARY ALIPHATIC PRIMARY AMINE HAVING FROM ABOUT 4 TO 30 CARBON ATOMS AND A PARTIALLY ESTERIFIED ORTHOPHOSPHORIC ACID IN WHICH THE ESTER RADICAL HAS FROM 1 TO ABOUT 30 CARBON ATOMS, THE WEIGHT RATIO OF THE ACID OF (A) TO THE SALT OF (B) BEING FROM ABOUT 1:3 TO 3:1.
Claim 2
Dependent Claim
77 words
A COMPOSITION CONSISTING ESSENTIALLY OF (A) AN OILSOLUBLE UNSATURATED FATTY ACID HAVING FROM ABOUT 12 TO ABOUT 30 ALIPHATIC CARBON ATOMS AND (B) A SALT OF A TERTIARY ALIPHATIC PRIMARY AMINE HAVING FROM ABOUT 4 TO 30 CARBON ATOMS AND A PARTIALLY ESTERIFIED ORTHOPHOSPHORIC ACID IN WHICH THE ESTER RADICAL HAS FROM 1 TO ABOUT 30 CARBON ATOMS, THE WEIGHT RATIO OF THE ACID OF (A) TO THE SALT OF (B) BEING FROM ABOUT 1:3 TO 3:1.
Claim 3
Dependent Claim
70 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR PROPORTION OF A MINERAL LUBRICATING OIL, FROM ABOUT 0.1% TO 10% BY WEIGHT OF THE COMPOSITON OF CLAIM 1, FROM ABOUT 0.05% TO ABOUT 10% BY WEIGHT OF A HYDROCABON POLYSULFIDE, AND FROM ABOUT 0.05% TO 10% BY WEIGHT OF A NEUTRALIZED PRODUCT OF AN AMINE WITH AN ACID FORMED BY THE REACTION OF A HYDROXYALKYL ESTER OF A PHOSPHORODITHIOIC ACID WITH PHOSPHORUS PENTOXIDE.
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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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |