US3801704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum phosphate and a producing method therefor
Assignee: Tayca Corp
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Filing: 1972-03-09
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Granted: 1974-04-02
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Expires: 1992-03-09
Abstract
Abstract THE INVENTION IS TO OFFER A NOVEL ALUMINUM PHOSPHATE OF HIGH ACIDITY BEING WATER-INSOLUBLE AND NONVOLATILE, WHICH IS OBTAINED BY HEATING AND AGITATING THE MIXTURE OF ALUMINUM OR AL-CONTAINING MATERIAL, AND P2O5-CONTAINING MATERIAL TO EFFECT FORMATION OF OPAQUE SEMISOLID SUBSTANCE, AND THEN DEHYDRATING THIS SUBSTANCE TO PROVIDE A CRYSTALLIZATION THEREOF. THE PRODUCT IS USEFUL FOR UTILIZATION TO CATALYSTS, HEAT RESISTANT MATERIALS, ANTIRUSTING AGENT OR OTHERS.
Inventors
- 👤 M Kobayashi
- 👤 M Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:17
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/38; C01B25/44; B; B01; B01J; B01J27/00; B01J27/14; B01J27/16; B01J27/18; B01J37/00; B01J37/28; C01B25/36; C07; C07C; C07C1/00; C07C1/20; C07C1/24; C07C2527/00; C07C2527/14; C07C2527/16; C07C2527/167; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
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) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |