US3061547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluid composition and thickening agent therefor
Assignee: Zeneca Inc
•
Filing: 1955-01-17
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Granted: 1962-10-30
•
Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 John D Brandner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:33
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/04; C10M2207/046; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28; C10N; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
POLYOXYETHYLENE ETHER OF DILINOLEYL ALCOHOL CONTANINING FROM ABOUT 12 TO ABOUT 28 MOLS OF ETHYLENE OXIDE PER MOL OF DILINOLEY ALCOHOL.
Claim 2
Dependent Claim
21 words
POLYOXYETHYLENE ETHER OF DILINOLEYL ALCOHOL CONTANINING FROM ABOUT 12 TO ABOUT 28 MOLS OF ETHYLENE OXIDE PER MOL OF DILINOLEY ALCOHOL.
Claim 3
Dependent Claim
50 words
A HYDRAULIC FLUID COMPOSITION COMPRISING A SOLUTION CONSISTING ESSENTIALLY OF FROM 35% TO 50% BY WEIGHT OF WATER, FROM 5% TO 25% BY WEIGHT OF A POLYOXYETHYLENE ETHER OF DILINOLEYL ALCOHOL CONTAINING FROM 12 TO 28 OXYETHYLENE GROUPS PER MOL OF DILINOLEYL ALCOHOL, THE BALANCE TO 100% BEING ETHYLENE GLYCOL.
Claim 4
Dependent Claim
50 words
A HYDRAULIC FLUID COMPOSITION COMPRISING A SOLUTION CONSISTING ESSENTIALLY OF FROM 35% TO 50% BY WEIGHT OF WATER, FROM 5% TO 25% BY WEIGHT OF A POLYOXYETHYLENE ETHER OF DILINOLEYL ALCOHOL CONTAINING FROM 12 TO 28 OXYETHYLENE GROUPS PER MOL OF DILINOLEYL ALCOHOL, THE BALANCE TO 100% BEING ETHYLENE GLYCOL.
References Cited (Backward Citations)
US2673882A
Cited
US2706207A
Cited
US1970578A
Cited
US2413612A
Cited
US2462694A
Cited
US2758976A
Cited
US2755251A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |