Patent US2976244A successfully refreshed from Google Patents.
US2976244A
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Petroleum lubricants stabilized with nitroesters
Assignee: Commercial Solvents Corp
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Filing: 1958-06-27
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Granted: 1961-03-21
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Expires: 1978-06-27
Abstract
No abstract record available.
Inventors
- 👤 Edward O Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:19
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/14; C10M2205/16; C10M2205/17; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/124; C10M2207/125; C10M2207/129; C10M2207/18; C10M2207/22; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2215/00; C10M2215/10; C10M2215/102; C10M2215/20; C10M2215/202; C10N; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/20; C10N2040/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A STABILIZED LIQUID PETROLEUM COMPOSITION CONSISTING ESSENTIALLY OF A PETROLEUM HYDROCARBON LUBRICANT AND A SMALL BUT SUFFICENT AMOUNT TO INHIBIT BACTERIAL GROWTH IN SAID LIQUID PETROLEUM COMPOSITION OF A NITROESTER HAVING THE FOLLOWING STRUCTURAL FORMULA:
Claim 2
Dependent Claim
35 words
A STABILIZED LIQUID PETROLEUM COMPOSITION CONSISTING ESSENTIALLY OF A PETROLEUM HYDROCARBON LUBRICANT AND A SMALL BUT SUFFICENT AMOUNT TO INHIBIT BACTERIAL GROWTH IN SAID LIQUID PETROLEUM COMPOSITION OF A NITROESTER HAVING THE FOLLOWING STRUCTURAL 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) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |