US3309314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions
Assignee: Shell USA Inc
•
Filing: 1964-05-29
•
Granted: 1967-03-14
•
Expires: 1984-05-29
Abstract
No abstract record available.
Inventors
- 👤 James R Price
- 👤 Robert C Spillman
- 👤 Kenneth T Wendler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:47
CPC Classifications
C; C10; C10M; C10M3/00; C10M169/00; C10M2205/00; C10M2205/02; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/284; C10M2207/285; C10M2207/286; C10M2207/287; C10M2207/289; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/108; C10M2209/109; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/085; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2223/06; C10M2223/063; C10M2223/065; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10M2229/05; C10M2229/051; C10N; C10N2010/00; C10N2010/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A SYNTHETIC ESTER LUBRICATING OIL AND (1) 0.01 TO 5% BY WEIGHT OF SALT OF AN ALKYL AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL PRIMARY AND ALKYL SECONDARD AMINES HAVING 8 TO 30 CARBON ATOMS AND A MONO- TO PER-HALOALKYL PHOSPHONIC ACID, WHEREIN THE HALOALKYL RADICAL CONTAINS 1 TO 2 CARBON ATOMS, AND (2) 0.01 TO 10% BY WEIGHT OF 2,2''-DIPYRIDYLAMINE.
Claim 2
Dependent Claim
70 words
A LUBRICANT COMPOSITION COMPRISING A MAJOR AMOUNT OF A SYNTHETIC ESTER LUBRICATING OIL AND (1) 0.01 TO 5% BY WEIGHT OF SALT OF AN ALKYL AMINE SELECTED FROM THE GROUP CONSISTING OF ALKYL PRIMARY AND ALKYL SECONDARD AMINES HAVING 8 TO 30 CARBON ATOMS AND A MONO- TO PER-HALOALKYL PHOSPHONIC ACID, WHEREIN THE HALOALKYL RADICAL CONTAINS 1 TO 2 CARBON ATOMS, AND (2) 0.01 TO 10% BY WEIGHT OF 2,2''-DIPYRIDYLAMINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |