US2515115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nonfoaming compositions
Assignee: Standard Oil Development Co
•
Filing: 1947-10-29
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Granted: 1950-07-11
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Expires: 1967-10-29
Abstract
No abstract record available.
Inventors
- 👤 Garland H B Davis
- 👤 John C Zimmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:20
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/287; C10M2207/289; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/086; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2223/00; C10M2223/10; C10N; C10N2040/00; C10N2040/04; C10N2040/042; C10N2040/044; C10N2040/046; C10N2040/06; C10N2040/135; C10N2040/20; C10N2040/22; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY ESTER ADDITIVES WHICH TEND TO CAUSE EXCESSIVE FOAMING OF SAID OIL UPON HEATING AND/OR WORKING, AND .0001 TO 10% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF A SUBSTANTIALLY OIL-INSOLUBLE HIGHLY FLUORNATED ALIPHATIC HYDROCARBON HAVING 5 TO 50 CARBON ATOMS, SAID FLUORINATED HYDROCARBON BEING COMPOSED OF 60 TO 80% BY WEIGHT OF FLUORINE, 20 37% CARBON AND 0 TO 3% HYDROGEN.
Claim 2
Dependent Claim
67 words
A COMPOSITION OF MATTER CONSISTING ESSENTIALLY ESTER ADDITIVES WHICH TEND TO CAUSE EXCESSIVE FOAMING OF SAID OIL UPON HEATING AND/OR WORKING, AND .0001 TO 10% BY WEIGHT, BASED ON THE TOTAL COMPOSITION, OF A SUBSTANTIALLY OIL-INSOLUBLE HIGHLY FLUORNATED ALIPHATIC HYDROCARBON HAVING 5 TO 50 CARBON ATOMS, SAID FLUORINATED HYDROCARBON BEING COMPOSED OF 60 TO 80% BY WEIGHT OF FLUORINE, 20 37% CARBON AND 0 TO 3% HYDROGEN.
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |