US3574112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting process
Assignee: Atlantic Richfield Co
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Filing: 1968-11-13
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Granted: 1971-04-06
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Expires: 1988-11-13
Abstract
Abstract A COMPOSITION IS PREPARED SUITABLE FOR LUBRICATING THE INTERFACE OF LIQUID METAL AND MOLD DURING THE CONTINUOUS CASTING OF METALS. THIS LUBRICATING COMPOSITION CONTAINS AN ALIPHATIC OR AROMATIC CARBOXYLIC ACID HAVING 2 TO ABOUT 40 CARBON ATOMS, E.G., THE ACIDS OBTAINED BY HYDROLYSIS OF AND CONTAINED IN CRAMBE AND RAPESEED OILS AND MIXTURES OF THEM, AND A MINERAL LUBRICATING OIL HAVING A LOW CARBON RESIDUE AND LOW AROMATIC CARBON CONTENT WHICH CAN BE PREPARED BY A TWO-STAGE CATALYTIC HYDROGENATION PROCESS.
Inventors
- 👤 John W Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:15
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10G; C10G2400/00; C10G2400/10; C10M2203/00; C10M2203/10; C10M2203/104; C10M2203/106; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10N; C10N2040/00; C10N2040/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |