US2614075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction product of an aliphatic amide and a phosphorus sulfide and lubricants containing the same
Assignee: Standard Oil Co
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Filing: 1949-05-28
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Granted: 1952-10-14
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Expires: 1969-05-28
Abstract
No abstract record available.
Inventors
- 👤 John D Bartleson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:45
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C07; C07F; C07F9/00; C07F9/02; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/32; C10M2223/00; C10M2223/12; C10M2227/00; C10M2227/02; C10M2229/00; C10M2229/04; C10M2229/041
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
A LUBRICATING COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL LUBRICATING OIL AND AND A MINOR AMOUNT SUFFICIENT OF INHIBIT THE DETERIORATION OF SAID OIL IN SERVICE OF THE REACTION PRODUCT OF ONE MOL OF AN ALIPHATIC AMIDE FREE OF SULFURIZED RADICALS AND HAVING 12 TO 20 CARBON ATOMS IN THE MOLECULE, SAID AMIDE HAVING THE FORMULA:
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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |