US3278442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-resistant hydraulic fluid
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-07-25
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Granted: 1966-10-11
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Beerbower Alan
- 👤 Donald A Pattison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:22
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/024; C10M2207/026; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2211/00; C10M2211/04; C10M2211/042; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/044; C10M2215/06; C10M2215/064; C10M2215/065; C10M2215/20; C10M2215/202; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A WATER-IN-OIL EMULSION ADAPTED FOR USE AS A HYDRAULIC FLUID WHICH COMPRISES FROM ABOUT 30 TO ABOUT 55 WEIGHT PERCENT OF WATER, ABOUT 35 TO ABOUT 67 WEIGHT PERCENT OF A MINERAL LUBRICATING OIL, HAVING A POUR POINT NO HIGHER THAN 0.*F. AND ABOUT 3 TO ABOUT 10 WEIGHT PERCENT OF AN EMULSIFIER, SAID EMULSIFIER CONSISTING OF A MIXTURE OF (A) ABOUT 35 TO 90 WEIGHT PERCENT OF A METAL ORGANO SULFONATE, WHEREIN SAID SULFONATE HAS A MOLECULAR WEIGHT OF FROM ABOUT 300 TO 1200 AND IS SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALI EARTH METAL SULFONATES OF ALKYLATED AROMATIC HYDROCARBONS, (B) ABOUT 10 TO 65 WEIGHT PERCENT OF A CONDENSATE OF A C12-C20 ALIPHATIC ALCOHOL WITH ABOUT 1 TO 4 MOLES OF A C2-C3 ALKYLENE OXIDE PER MOLE OF ALCOHOL AND (C) 0 TO ABOUT 30 WEIGHT PERCENT OF HYDROXYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCOLS AND GLYCOL ETHERS OF FROM 3 TO 8 CARBON ATOMS AND ALIPHATIC ALCOHOLS OF FROM 3 TO 20 CARBON ATOMS.
Claim 2
Dependent Claim
172 words
A WATER-IN-OIL EMULSION ADAPTED FOR USE AS A HYDRAULIC FLUID WHICH COMPRISES FROM ABOUT 30 TO ABOUT 55 WEIGHT PERCENT OF WATER, ABOUT 35 TO ABOUT 67 WEIGHT PERCENT OF A MINERAL LUBRICATING OIL, HAVING A POUR POINT NO HIGHER THAN 0.*F. AND ABOUT 3 TO ABOUT 10 WEIGHT PERCENT OF AN EMULSIFIER, SAID EMULSIFIER CONSISTING OF A MIXTURE OF (A) ABOUT 35 TO 90 WEIGHT PERCENT OF A METAL ORGANO SULFONATE, WHEREIN SAID SULFONATE HAS A MOLECULAR WEIGHT OF FROM ABOUT 300 TO 1200 AND IS SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALI EARTH METAL SULFONATES OF ALKYLATED AROMATIC HYDROCARBONS, (B) ABOUT 10 TO 65 WEIGHT PERCENT OF A CONDENSATE OF A C12-C20 ALIPHATIC ALCOHOL WITH ABOUT 1 TO 4 MOLES OF A C2-C3 ALKYLENE OXIDE PER MOLE OF ALCOHOL AND (C) 0 TO ABOUT 30 WEIGHT PERCENT OF HYDROXYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCOLS AND GLYCOL ETHERS OF FROM 3 TO 8 CARBON ATOMS AND ALIPHATIC ALCOHOLS OF FROM 3 TO 20 CARBON ATOMS.
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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |