US3080322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-resistant hydraulic fluids
Assignee: ExxonMobil Oil Corp
•
Filing: 1961-06-08
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Granted: 1963-03-05
•
Expires: 1981-06-08
Abstract
No abstract record available.
Inventors
- 👤 Rudolph J Holzinger
- 👤 Hans F Waldmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:05
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2203/00; C10M2203/10; C10M2203/102; C10M2207/00; C10M2207/10; C10M2207/16; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/046; C10N; C10N2010/00; C10N2010/02; C10N2010/04; C10N2040/00; C10N2040/08; C10N2040/20; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A COMPOSITION FOR USE AS HYDRAULIC FLUID CONSISTING ESSENTIALLY OF A WATER-IN-OIL EMULSION CONTAINING 0.1-5.0 PERCENT BY WEIGHT OF OIL-SOLUBLE CALCIUM PETROLEUM SULFONATE AND 0.5-5.0 PERCENT BY WEIGHT OF A SOAP OF NAPHTHENIC ACIDS HAVNG A MOLECULAR WEIGHT GREATER THAN 275, THE CATION OF THE SOAP BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, AMMONIUM, LITHIUM, CALCIUM, STRONTIUM, AND BARIUM, THE OIL PORTION OF SAID EMULSION BEING A HYDROCARBON OIL OF FROM ABOUT 50-400 S.U.S. VISCOSITY AT 100* F., THE WATER CONTENT OF SAID EMULSION BEING ABOUT 10-50 PERCENT BY WEIGHT, AND THE RATIO BETWEEN THE OIL-SOLUBLE CALCIUM PETROLEUM SULFONATE AND THE METAL NAPHTHENATE BEING FROM ABOUT 5/95 TO 95/5 BY WEIGHT.
Claim 2
Dependent Claim
113 words
A COMPOSITION FOR USE AS HYDRAULIC FLUID CONSISTING ESSENTIALLY OF A WATER-IN-OIL EMULSION CONTAINING 0.1-5.0 PERCENT BY WEIGHT OF OIL-SOLUBLE CALCIUM PETROLEUM SULFONATE AND 0.5-5.0 PERCENT BY WEIGHT OF A SOAP OF NAPHTHENIC ACIDS HAVNG A MOLECULAR WEIGHT GREATER THAN 275, THE CATION OF THE SOAP BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, AMMONIUM, LITHIUM, CALCIUM, STRONTIUM, AND BARIUM, THE OIL PORTION OF SAID EMULSION BEING A HYDROCARBON OIL OF FROM ABOUT 50-400 S.U.S. VISCOSITY AT 100* F., THE WATER CONTENT OF SAID EMULSION BEING ABOUT 10-50 PERCENT BY WEIGHT, AND THE RATIO BETWEEN THE OIL-SOLUBLE CALCIUM PETROLEUM SULFONATE AND THE METAL NAPHTHENATE BEING FROM ABOUT 5/95 TO 95/5 BY WEIGHT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |