US3564044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid esters of neoalkylpolyols and mixtures of gem and straight chain or alkanoic neo acids
Assignee: Sinclair Research Inc
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Filing: 1967-10-05
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Granted: 1971-02-16
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Expires: 1987-10-05
Abstract
Abstract NEOLKYLPOLYOL ESTERS OF MIXTURES OF GEM ACIDS AND STRAIGHT OR BRANCHED CHAIN NEO FATTY ACIDS ARE PREPARED. THESE ESTERS POSSESS IMPROVED OXIDATION RESISTANCE AND GOOD LOW TEMPERATURE PROPERTIES AND ARE SUITABLE FOR USE AS BASE FLUIDS OR BLENDING STOCK FOR HIGH TEMPERATURE LUBRICANTS.
Inventors
- 👤 Tai S Chao
- 👤 William D Hoffman
- 👤 Manley Kjonaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:56
CPC Classifications
C; C10; C10M; C10M105/00; C10M105/08; C10M105/32; C10M105/38; C07; C07C; C07C67/00; C07C67/08; C07C69/00; C07C69/02; C07C69/22; C07C69/30; C07C69/33; C10M2201/00; C10M2201/04; C10M2207/00; C10M2207/04; C10M2207/28; C10M2207/281; C10M2207/282; C10M2207/283; C10M2207/286; C10M2207/287; C10M2207/289; C10M2209/00; C10M2209/02; C10M2209/10; C10M2209/103; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/065; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2030/00; C10N2030/08; C10N2040/00; C10N2040/08; C10N2040/12; C10N2040/13; C10N2050/00; C10N2050/015; C10N2050/02; C10N2050/10
Claims Analysis
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |