US3296135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricant compositions having improved corrosion and oxidation properties
Assignee: Union Carbide Corp
•
Filing: 1963-02-08
•
Granted: 1967-01-03
•
Expires: 1983-02-08
Abstract
No abstract record available.
Inventors
- 👤 Robert A Cupper
- 👤 Jr Carl A Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:14
CPC Classifications
C; C10; C10M; C10M3/00; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/025; C10M2207/026; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/302; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/108; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/08; C10M2215/082; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/104; C10M2219/108; C10N; C10N2020/00; C10N2020/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A NOVEL ADDITIVE SYSTEM FOR USE IN SYNTHETIC ESTER AND GLYCOL LUBRICANTS WHICH COMPRISES FROM ABOUT 10 TO ABOUT 50 PARTS BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZINE AND N-PHENYLALPHANAPHTHYLAMINE, FROM ABOUT 10 TO ABOUT 50 PARTS BY WEIGHT OF 2,6-DI-T-BUTYL-4-METHYLPHENOL AND FROM ABOUT 1 TO ABOUT 10 PARTS BY WEIGHT OF BENZOGUANAMINE.
Claim 2
Dependent Claim
58 words
A NOVEL ADDITIVE SYSTEM FOR USE IN SYNTHETIC ESTER AND GLYCOL LUBRICANTS WHICH COMPRISES FROM ABOUT 10 TO ABOUT 50 PARTS BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF PHENOTHIAZINE AND N-PHENYLALPHANAPHTHYLAMINE, FROM ABOUT 10 TO ABOUT 50 PARTS BY WEIGHT OF 2,6-DI-T-BUTYL-4-METHYLPHENOL AND FROM ABOUT 1 TO ABOUT 10 PARTS BY WEIGHT OF BENZOGUANAMINE.
References Cited (Backward Citations)
US2734807A
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |