Patent US3039969A successfully refreshed from Google Patents.
US3039969A
Expired / Lapsed
US
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Hydraulic fluid emulsion
Assignee: EF Houghton and Co
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Filing: 1958-08-29
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Granted: 1962-06-19
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Expires: 1978-08-29
Abstract
No abstract record available.
Inventors
- 👤 Guido J Colucci
- 👤 Jerrold F Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:41
CPC Classifications
C; C10; C10M; C10M173/00; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/107; C10M2209/109; C10M2209/12; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10M2221/00; C10M2221/04; C10M2221/043; C10N; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A WATER-IN-OIL EMULSION HAVING A VISCOSITY OF FROM ABOUT 150 TO ABOUT 600 SAYBOLT UNIVERSAL SECONDS AT 100*F. AND ADAPTED FOR USE AS A HYDRAULIC FLUID WHICH COMPRISES FROM ABOUT 35% TO ABOUT 45% BY WEIGHT OF WATER; FROM ABOUT 35% TO ABOUT 50% OF A NEUTRAL MINERAL OIL HAVING A VISCOSITY OF THE RANGE FROM ABOUT 60 TO ABOUT 200 SAYBOLT UNIVERSAL SECONDS AT 100*F., FROM ABOUT 1% TO ABOUT 10% OF A NON-IONIC EMULSIFYING AGENT COMPRISING AN OIL-SOLUBLE NONO-IONIC EMULSIFYING AGENT AND A WATER-SOLUBLE NON-IONIC EMULSIFYING AGENT; FROM ABOUT 5% TO ABOUT 15% OF A LIQUID ALKYL ESTER OF A LONG-CHAIN FATTY ACID; AND FROM ABOUT 6% TO ABOUT 9% OF A POLYHYDRIC ALCOHOL CONTAINING UP TO 10 CARBON ATOMS WHEREIN THE RATIO OF OXYGEN TO CARBOLN ATOMS IS NOT LESS THAN ABOUT 1:1.
Claim 2
Dependent Claim
136 words
A WATER-IN-OIL EMULSION HAVING A VISCOSITY OF FROM ABOUT 150 TO ABOUT 600 SAYBOLT UNIVERSAL SECONDS AT 100*F. AND ADAPTED FOR USE AS A HYDRAULIC FLUID WHICH COMPRISES FROM ABOUT 35% TO ABOUT 45% BY WEIGHT OF WATER; FROM ABOUT 35% TO ABOUT 50% OF A NEUTRAL MINERAL OIL HAVING A VISCOSITY OF THE RANGE FROM ABOUT 60 TO ABOUT 200 SAYBOLT UNIVERSAL SECONDS AT 100*F., FROM ABOUT 1% TO ABOUT 10% OF A NON-IONIC EMULSIFYING AGENT COMPRISING AN OIL-SOLUBLE NONO-IONIC EMULSIFYING AGENT AND A WATER-SOLUBLE NON-IONIC EMULSIFYING AGENT; FROM ABOUT 5% TO ABOUT 15% OF A LIQUID ALKYL ESTER OF A LONG-CHAIN FATTY ACID; AND FROM ABOUT 6% TO ABOUT 9% OF A POLYHYDRIC ALCOHOL CONTAINING UP TO 10 CARBON ATOMS WHEREIN THE RATIO OF OXYGEN TO CARBOLN ATOMS IS NOT LESS THAN ABOUT 1:1.
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |