US3100748A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating compositions
Assignee: Shell USA Inc
•
Filing: 1959-11-10
•
Granted: 1963-08-13
•
Expires: 1979-11-10
Abstract
No abstract record available.
Inventors
- 👤 Harry F Richards
- 👤 Jr Stephen A Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:05
CPC Classifications
C; C10; C10M; C10M151/00; C10M151/02; C08; C08F; C08F28/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2462; C10L1/2468; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/024; C10M2207/026; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/066; C10M2219/068; C10M2221/00; C10M2221/02; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/047; C10M2223/06; C10M2223/063; C10M2223/065; C10M2223/12; C10M2225/00; C10M2225/04; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/14; C10N2040/16; C10N2040/17; C10N2040/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
AN IMPROVED MINERAL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL OIL AND FROM ABOUT 0.1% TO 10% BY WEIGHT OF A COPOLYMER OF AN ACRYLATE ESTER OF AN ACRYLIC ACID AND A C8-C18 ALKANOL AND A SULFUR-CONTAINING ACRYLATE ESTER HAVING THE FORMULA
Claim 2
Dependent Claim
43 words
AN IMPROVED MINERAL OIL COMPOSITION COMPRISING A MAJOR AMOUNT OF MINERAL OIL AND FROM ABOUT 0.1% TO 10% BY WEIGHT OF A COPOLYMER OF AN ACRYLATE ESTER OF AN ACRYLIC ACID AND A C8-C18 ALKANOL AND A SULFUR-CONTAINING ACRYLATE ESTER HAVING THE FORMULA
References Cited (Backward Citations)
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US2684334A
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US2800450A
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US2925406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |