US3591500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Functional fluid compositions
Assignee: Monsanto Co
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Filing: 1969-02-05
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Granted: 1971-07-06
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Expires: 1989-02-05
Abstract
Abstract FUNCTIONAL FLUID COMPRISING A BASE FLUID SUCH AS POLYPHENYL ETHERS, POLYPHENYL THIOETHERS, MIXED POLYPHENYLOXY THIOETHERS, SYNTHETIC ESTERS, ALKYL THIOPHENES, AND DIHALOGENATED DIPHENYL ESTERS AND CERTAIN ORGANIC NITROGEN COMPOUNDS SUCH AS AMINOINDAZOLES, HYDROXYINDAZOLES, HYDROXY AND AMINO SUBSTITUTED PYRAZOLES, TRIAZOLES, TETRAZOLES, OR COMPOUNDS OF THE FORMULA 3-R2,R1,R-S-TRIAZOLO(4,3-A)-S-TRIAZINE HAVING IMPROVED METAL COMPATIBILITY. THESE COMPOSITIONS ARE PARTICULARLY USEFUL AS AIRCRAFT ENGINE LUBRICANTS IN HYDRAULIC FLUIDS.
Inventors
- 👤 James D Sullivan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:32
CPC Classifications
C; C10; C10M; C10M3/00; C09; C09K; C09K3/00; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2205/00; C10M2205/04; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/30; C10M2207/304; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/105; C10M2209/106; C10M2209/107; C10M2209/108; C10M2209/109; C10M2209/11; C10M2209/112; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/024; C10M2211/04; C10M2211/042; C10M2211/06; C10M2213/00; C10M2213/04; C10M2213/06; C10M2215/00; C10M2215/086; C10M2215/16; C10M2215/22; C10M2215/221; C10M2215/222; C10M2215/223; C10M2215/224; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10M2219/00; C10M2219/08; C10M2219/082; C10M2219/086; C10M2219/087; C10M2219/089; C10M2219/10; C10M2219/102; C10M2219/104; C10M2219/106; C10M2221/00; C10M2221/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/08; C10N2030/32; C10N2040/00; C10N2040/02; C10N2040/06; C10N2040/08; C10N2040/12; C10N2040/13; C10N2040/30; C10N2040/32; C10N2040/34; C10N2040/36; C10N2040/38; C10N2040/40; C10N2040/42; C10N2040/44; C10N2040/50; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |