US3282840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable lubricating composition and inhibitor mixture therefor
Assignee: Eastman Kodak Co
•
Filing: 1963-06-13
•
Granted: 1966-11-01
•
Expires: 1983-06-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Lloyd P Foster
- 👤 Earl W Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:22
CPC Classifications
C; C07; C07C; C07C67/00; C07C67/48; C07C67/62; C10; C10M; C10M133/00; C10M133/02; C10M133/04; C10M133/12; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/067; C10M2215/068
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
89 words
A LUBRICANT COMPOSITION CONSISTING ESSENTIALLY OF A LUBRICANT AND, AT AN OXIDATION AND CORROSION INHIBITING CONCENTRATION, A MIXTURE CONSISTING ESSENTIALLY OF PHENYLA-NAPHTHYLAMINE AND A DIPHENYLAMINE SELECTED FROM THE GROUP CONSISTING OF DIPHENYLAMINE AND ALKYLATED STYRENATED DIPHENYLAMINE, THE WEIGHT RATIO OF ONE TO THE OTHER BEING IN A RANGE FROM ABOUT 4:1 TO ABOUT 1:4; SAID ALKYLATED STYRENATED DIPHENYLAMINE CONSISTING ESSENTIALLY OF (1) P,P''-DI-T-OCTYLDIPHENYLAMINE, (2) P,P''-DI-APHENETHYLDIPHENYLAMINE, (3) P-T-OCTYL-P7-A-PHENETHYLDIPHENYLAMINE, (4) P-MONO-T-OCTYL-P-A-PHENETHYLDIP-MONO-A-PHENETHYLDIPHENYLAMINE IN THE RATIO OF 50-70% BY WEIGHT OF (1), (2) AND (3) AND 30-50% BY WEIGHT OF (4) AND (5).
References Cited (Backward Citations)
US2530769A
Cited
US2798083A
Cited
GB750560A
Cited
US2930758A
Cited
US3053768A
Cited
US3048542A
Cited
US3148147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |