US2736709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic fluids
Assignee: GAF Chemicals Corp
•
Filing: 1954-08-17
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Granted: 1956-02-28
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Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Samuel A Glickman
- 👤 Joseph M Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:14
CPC Classifications
C; C10; C10M; C10M3/00; C10M2201/00; C10M2201/08; C10M2201/082; C10M2201/083; C10M2201/085; C10M2201/086; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/022; C10M2207/023; C10M2207/04; C10M2207/046; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/16; C10M2207/22; C10M2209/00; C10M2209/02; C10M2209/04; C10M2209/06; C10M2209/062; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/107; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/04; C10M2219/044; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/08; C10M2219/082; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2227/00; C10M2227/06; C10M2227/061; C10N; C10N2010/00; C10N2010/02; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A HYDRAULIC FLUID COMPOSITION CONSISTING ESSENTIALLY OF AN ALKALINE BUFFERING AGENT SELECTED FROM THE CLASS CONSISTING OF ALKALINE BORATES, PHOSPHATES AND PHOSPHITES, AND A MIXTURE OF MONO- AND POLYMETHOXY-L-ALKANOLS CONSISTING OF 20 TO 40% OF 3-METHOXY-L-BUTANOL AND 60 TO 80% OF AT LEAST ONE 1-POLYMETHOXY-ALKANOL OF THE GROUP CONSISTING OF 3.5-DIMETHOXY-L-HEXANOL, 3,5,7,TRIMETHOXY-L-OCTANOL, 3,5,7,9-TETRAMETHOXY-L-DECANOL, 3,5,7,9,11-PENTAMETHOXY-L-DODECANOL, AND POLYMETHOXY-LALKANOLS CHARACTERIZED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
61 words
A HYDRAULIC FLUID COMPOSITION CONSISTING ESSENTIALLY OF AN ALKALINE BUFFERING AGENT SELECTED FROM THE CLASS CONSISTING OF ALKALINE BORATES, PHOSPHATES AND PHOSPHITES, AND A MIXTURE OF MONO- AND POLYMETHOXY-L-ALKANOLS CONSISTING OF 20 TO 40% OF 3-METHOXY-L-BUTANOL AND 60 TO 80% OF AT LEAST ONE 1-POLYMETHOXY-ALKANOL OF THE GROUP CONSISTING OF 3.5-DIMETHOXY-L-HEXANOL, 3,5,7,TRIMETHOXY-L-OCTANOL, 3,5,7,9-TETRAMETHOXY-L-DECANOL, 3,5,7,9,11-PENTAMETHOXY-L-DODECANOL, AND POLYMETHOXY-LALKANOLS CHARACTERIZED BY THE FOLLOWING FORMULA:
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) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |