US3235501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam-inhibited oil compositions
Assignee: ExxonMobil Oil Corp
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Filing: 1962-06-11
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Granted: 1966-02-15
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Expires: 1982-06-11
Abstract
No abstract record available.
Inventors
- 👤 Hans F Waldmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:30
CPC Classifications
C; C10; C10M; C10M171/00; C10M171/004; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/08; C10M2219/082; C10M2219/087; C10M2219/088; C10M2219/089; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/045; C10M2225/00; C10M2225/04; C10M2225/041; C10M2229/00; C10M2229/04; C10M2229/041; C10M2229/042; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A FOAM INHIBITED MINERAL OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL OIL, A MINOR AMOUNT, FROM ABOUT 0.5% TO ABOUT 30%, OF AN OIL-SOLUBLE DETERGENT ADDITIVE WHICH NORMALLY INCREASES THE FOAM-FORMING TENDENCY OF SAID COMPOSITION AND AS A FOAM-INHIBITING COMBINATION (A) A MINOR AMOUNT, FROM ABOUT 0.5 TO ABOUT 10 PARTS PER MILLION, OF A DIMETHYL SILICONE POLYMER HAVING A VISCOSITY AT 25*C. OF FROM ABOUT 3.0 TO ABOUT 1,000,000 CS. AND (B) A MINOR AMOUNT, FROM ABOUT 0.01% TO ABOUT 1.0% OF AN ALKOXYLATED AMINE HAVING FROM ABOUT 8 TO ABOUT 18 CARBON ATOMS CONTAINING FROM 2 TO 5 ALKYLENE OXIDE GROUPS MER MOLE OF AMINE WHEREIN SAID ALKYLENE OXIDE IS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE.
Claim 2
Dependent Claim
124 words
A FOAM INHIBITED MINERAL OIL COMPOSITION COMPRISING A MAJOR PROPORTION OF MINERAL OIL, A MINOR AMOUNT, FROM ABOUT 0.5% TO ABOUT 30%, OF AN OIL-SOLUBLE DETERGENT ADDITIVE WHICH NORMALLY INCREASES THE FOAM-FORMING TENDENCY OF SAID COMPOSITION AND AS A FOAM-INHIBITING COMBINATION (A) A MINOR AMOUNT, FROM ABOUT 0.5 TO ABOUT 10 PARTS PER MILLION, OF A DIMETHYL SILICONE POLYMER HAVING A VISCOSITY AT 25*C. OF FROM ABOUT 3.0 TO ABOUT 1,000,000 CS. AND (B) A MINOR AMOUNT, FROM ABOUT 0.01% TO ABOUT 1.0% OF AN ALKOXYLATED AMINE HAVING FROM ABOUT 8 TO ABOUT 18 CARBON ATOMS CONTAINING FROM 2 TO 5 ALKYLENE OXIDE GROUPS MER MOLE OF AMINE WHEREIN SAID ALKYLENE OXIDE IS SELECTED FROM THE GROUP CONSISTING OF ETHYLENE OXIDE AND PROPYLENE OXIDE.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |