US3152990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-in-oil emulsions
Assignee: Sunoco Inc
•
Filing: 1959-07-08
•
Granted: 1964-10-13
•
Expires: 1979-07-08
Abstract
No abstract record available.
Inventors
- 👤 Walter J Coppock
- 👤 Seymour W Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:06
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/144; C10M2207/146; C10M2207/16; C10M2207/28; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/109; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/066; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/045; C10N; C10N2010/00; C10N2010/04; C10N2020/00; C10N2020/01; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
98 words
A NEW COMPOSITION OF MATTER SUITABLE FOR USE AS LUBRICANT AND HYDRAULIC FLUID, CONSISTING ESSENTIALLY OF AN EMULSION OF WATER IN A PETROLEUM LUBRICATING OIL, THE AMOUNT OF WATER BEING 25 TO 43.5 WEIGHT PERCENT BASED UPON THE EMULSION, SAID WATER HAVING DISSOLVED THEREIN 0.1 TO 1.0%, BASED UPON THE EMULSION, OF AN ALKYLENE OXIDE POLYMER HAVING AVERAGE MOLECULAR WIEGHT OF AT LEAST 100,000 SELECTED FROM THE GROUP CONSISTING OF NORMALLY SOLIDE ETHYLENE OXIDE AND PROPYLENE OXIDE POLYMERS, THEREBY TO INCREASE THE VISCOSITY OF THE AQUEOUS PHASE TO WITHIN THE RANGE FROM 1 TO 10 CS. AT 100*F.
Claim 2
Dependent Claim
98 words
A NEW COMPOSITION OF MATTER SUITABLE FOR USE AS LUBRICANT AND HYDRAULIC FLUID, CONSISTING ESSENTIALLY OF AN EMULSION OF WATER IN A PETROLEUM LUBRICATING OIL, THE AMOUNT OF WATER BEING 25 TO 43.5 WEIGHT PERCENT BASED UPON THE EMULSION, SAID WATER HAVING DISSOLVED THEREIN 0.1 TO 1.0%, BASED UPON THE EMULSION, OF AN ALKYLENE OXIDE POLYMER HAVING AVERAGE MOLECULAR WIEGHT OF AT LEAST 100,000 SELECTED FROM THE GROUP CONSISTING OF NORMALLY SOLIDE ETHYLENE OXIDE AND PROPYLENE OXIDE POLYMERS, THEREBY TO INCREASE THE VISCOSITY OF THE AQUEOUS PHASE TO WITHIN THE RANGE FROM 1 TO 10 CS. AT 100*F.
Claim 3
Dependent Claim
23 words
COMPOSITION ACCORDING TO CLAIM 1 AND ADDITIONALLY COMPRISING AN ALKALINE EARTH METAL SALT OF A DITHIOPHOSPHORIC ACID ESTER DISSOLVED IN THE OIL PHASE.
References Cited (Backward Citations)
GB716354A
Cited
US2744870A
Cited
US2820007A
Cited
US2825693A
Cited
US2907714A
Cited
US2914491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |