US3379644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluid compositions
Assignee: GAF Chemicals Corp
•
Filing: 1966-03-16
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Granted: 1968-04-23
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Expires: 1986-03-16
Abstract
No abstract record available.
Inventors
- 👤 Katzenstein William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:16
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2229/00; C10M2229/04; C10M2229/041; C10N; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A HYDRAULIC FLUID COMPOSITION COMPRISING (1) 75 TO 92 PARTS BY WEIGHT OF AN ETHYLENE GLYCOL-WATER MIXTURE AND (2) AS A THICKENING AGENT, 25 TO 8 PARTS BY WEIGHT OF AN ETHOXYLATED DINONYL PHENOL IN WHICH ITS POLYOXETHYLENE RADICAL COMPRISES 60 TO 70% BY WEIGHT OF SAID ETHOXYLATED DINONYL PHENOL; 100 PARTS OF SAID ETHYLENE GLYCOL-WATER MIXTURE CONSISTING ESSENTIALLY OF ABOUT 40 TO 65 PARTS BY WEIGHT OF ETHYLENE GLYCOL AND ABOUT 60-35 PARTS BY WEIGHT OF WATER.
Claim 2
Dependent Claim
78 words
A HYDRAULIC FLUID COMPOSITION COMPRISING (1) 75 TO 92 PARTS BY WEIGHT OF AN ETHYLENE GLYCOL-WATER MIXTURE AND (2) AS A THICKENING AGENT, 25 TO 8 PARTS BY WEIGHT OF AN ETHOXYLATED DINONYL PHENOL IN WHICH ITS POLYOXETHYLENE RADICAL COMPRISES 60 TO 70% BY WEIGHT OF SAID ETHOXYLATED DINONYL PHENOL; 100 PARTS OF SAID ETHYLENE GLYCOL-WATER MIXTURE CONSISTING ESSENTIALLY OF ABOUT 40 TO 65 PARTS BY WEIGHT OF ETHYLENE GLYCOL AND ABOUT 60-35 PARTS BY WEIGHT OF WATER.
References Cited (Backward Citations)
US2593112A
Cited
US2947699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |