US3108967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating oil composition of improved viscosity index and dispersancy
Assignee: Union Carbide Corp
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Filing: 1960-12-16
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Granted: 1963-10-29
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Expires: 1980-12-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick E Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:57
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2205/00; C10M2205/22; C10M2217/00; C10M2217/02; C10M2217/026; C10N; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 96 TO 99.5 PERCENT BY WEIGHT OF A HYDROCARBON LUBRICATING OIL AND ABOUT 0.5 TO 4 PERCENT BY WEIGHT OF A COPOLYMER OF CYANOETHYL ACRYLATE WITH DECYL ACRYLATE, SAID COPOLYMER HAVING A REDUCED VISCOSITY IN BENZENE OF FROM ABOUT 0.50 TO ABOUT 1.50 AND CONTAINING FROM ABOUT 2 TO ABOUT 10 PERCENT OF CYANOETHYL ACRYLATE.
Claim 2
Dependent Claim
64 words
A LUBRICATING OIL COMPOSITION CONSISTING ESSENTIALLY OF FROM ABOUT 96 TO 99.5 PERCENT BY WEIGHT OF A HYDROCARBON LUBRICATING OIL AND ABOUT 0.5 TO 4 PERCENT BY WEIGHT OF A COPOLYMER OF CYANOETHYL ACRYLATE WITH DECYL ACRYLATE, SAID COPOLYMER HAVING A REDUCED VISCOSITY IN BENZENE OF FROM ABOUT 0.50 TO ABOUT 1.50 AND CONTAINING FROM ABOUT 2 TO ABOUT 10 PERCENT OF CYANOETHYL ACRYLATE.
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |