US3584087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of flaked phosphate ester salts
Assignee: Witco Corp
•
Filing: 1968-05-02
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Granted: 1971-06-08
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Expires: 1988-05-02
Abstract
Abstract PHOSPHATE ESTERS PREPARED BY REACTING BETWEEN ABOUT 1.7 AND 2.5 MOLES OF AN ALIPHATIC ALCOHOL CONTAINING BETWEEN 8 AND 12 CARBON ATOMS AND 1 MOL OF P2O5 AND THEN NEUTRALIZING TO FORM THE ALKALI METAL OR ALKALINE EARTH METAL SALT THEREOF MAY BE DRIED TO SUBSTANTIALLY DRY, FREE FLOWING FLAKED PARTICLES THAT MAY BE FURTHER PARTICULATED, IF DESIRED, AND WHICH MAY BE USED TO PREPARE DRY MIX DETERGENT FORMULATIONS AND THE LIKE.
Inventors
- 👤 Marvin Mausner
- 👤 Albert Benson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:55
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/025; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C11; C11D; C11D1/00; C11D1/02; C11D1/34; C11D1/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |