US3078229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of synthetic lubricants
Assignee: Universal Oil Products Co
•
Filing: 1959-05-08
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Granted: 1963-02-19
•
Expires: 1979-05-08
Abstract
No abstract record available.
Inventors
- 👤 William L Cox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:53
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/04; C10M2201/041; C10M2201/10; C10M2201/102; C10M2201/105; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/16; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/105; C10M2211/00; C10M2211/02; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/066; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/043; C10M2229/044; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2010/06; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/06; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A SYNTHETIC LUBRICANT SUBJECT TO DETERIORATION SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC ESTERS, POLYALKYLENE OXIDES, SILICONES, ESTERS OF PHOSPHORIC AND SILICIC ACIDS, AND FLUORINATED HYDROCARBONS, SAID LUBRICANT CONTANINGM AS AN INHIBITOR AGAINST SAID DETERIORATION, A STABLIZATING CONCENTRATION OF N,N,N'',N''-TETRAISOPROPOPLY-PPHENYLENE DIAMINE.
Claim 2
Dependent Claim
41 words
A SYNTHETIC LUBRICANT SUBJECT TO DETERIORATION SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC ESTERS, POLYALKYLENE OXIDES, SILICONES, ESTERS OF PHOSPHORIC AND SILICIC ACIDS, AND FLUORINATED HYDROCARBONS, SAID LUBRICANT CONTANINGM AS AN INHIBITOR AGAINST SAID DETERIORATION, A STABLIZATING CONCENTRATION OF N,N,N'',N''-TETRAISOPROPOPLY-PPHENYLENE DIAMINE.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |