US3825653A
Expired / Lapsed
US
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Process for preparing sinterable aluminum titanate powder
Assignee: United States Atomic Energy Commission
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Filing: 1972-09-11
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Granted: 1974-07-23
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Expires: 1992-09-11
Abstract
Abstract SINTERABLE ALUMINUM TITANATE POWDER IS PREPARED BY COPRECIPITATING HALIDE OR ALKOXIDE COMPOUNDS OF ALUMINUM AND TITANIUM AS A HYDROXIDE. THE RESULTING HYDRATED ALUMINUM TITANIUM HYDROXIDE IS DRIED AND THEN CALCINED IN AIR TO FORM THE POWDER. SLIP CASTING OR ISOSTATIC PRESSING TECHNIQUES TOGETHER WITH SINTERING MAY BE EMPLOYED TO PREPARED PRODUCTS OF ALUMINUM TITANATE.
Inventors
- 👤 C Holcombe
- 👤 W Duerksen
- 👤 M Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:30
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/478; B; B82; B82Y; B82Y30/00; C01; C01G; C01G23/00; C01G23/003; C01P; C01P2004/00; C01P2004/51; C01P2004/60; C01P2004/64; C01P2006/00; C01P2006/12
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) | 1977-07-22 | 1978-01-21 | 1978-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-22 | 1982-01-21 | 1982-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-22 | 1986-01-21 | 1986-07-23 | $7700.00 | Window Closed / Lapsed |