Patent US2644794A successfully refreshed from Google Patents.
US2644794A
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Hydrocarbon oil compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1950-11-15
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Granted: 1953-07-07
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Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:24
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10N; C10N2040/00; C10N2040/08; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A SUBSTANTIALLY FOAM-RESISTING HYDROCARBON OIL COMPOSTION CONTAINING UP TO 1.0 PER CENT BY WEIGHT BASED IN THE WEIGHT OF THE COMPOSITION OF A LIQUID MIXTURE OF ADDUCTS HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
A SUBSTANTIALLY FOAM-RESISTING HYDROCARBON OIL COMPOSTION CONTAINING UP TO 1.0 PER CENT BY WEIGHT BASED IN THE WEIGHT OF THE COMPOSITION OF A LIQUID MIXTURE OF ADDUCTS HAVING THE FORMULA
References Cited (Backward Citations)
US2528466A
Cited
US2528465A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |