Patent US3346501A successfully refreshed from Google Patents.
US3346501A
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Non-inflammable hydraulic fluid
Assignee: Wyandotte Chemicals Corp
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Filing: 1964-09-11
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Granted: 1967-10-10
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Matthew A Boehmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:13
CPC Classifications
C; C10; C10M; C10M173/00; C10M173/02; C10M2201/00; C10M2201/02; C10M2201/08; C10M2201/081; C10M2201/082; C10M2201/083; C10M2201/084; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/28; C10M2207/287; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/044; C10M2215/08; C10M2215/082; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/26; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10N; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
134 words
A HYDRAULIC FLUID CHARACTERIZED BY A RESIDUE FLASH POINT OF AT LEAST 450*F., CONSISTING ESSENTIALLY OF BY WEIGHT ABOUT 35 TO 40 PERCENT OF WATER, ABOUT 40 TO 60 PERCENT OF AT LEAST ONE WATER-SOLUBLE POLYHYDRIC ALCOHOL ETHER HAVING A MOLECULAR WEIGHT OF 400 TO 6000, ABOUT 5 TO 15 PERCENT OF A SOLUBLE POLYOXYALKYLENE POLYMERIC THICKENER HAVING A MOLECULAR WEIGHT IN EXCESS OF 6,000 AND UP TO 100,000, ABOUT 0.5 TO 2.5 PERCENT OF AT LEAST ONE CORROSION INHIBITOR, ABOUT 0.001 TO 0.1 PERCENT OF AT LEAST ONE SILICONE ANIFOAMING AGENT, ABOUT 0.25 TO 1.0 PERCENT OF AT LEAST ONE ANTIWEAR AGENT SELECTED FROM THE GROUP CONSISTING OF FATTY ACIDS AND ALKALI METAL SOAPS OF FATTY ACIDS, AND ABOUT 0.2 TO 3.0 PERCENT OF AT LEASE ONE BUFFERING AGENT TO MAINTAIN RESERVE ALKALINITY.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |