US3796793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of finely divided solid materials
Assignee: ISRAEL MINING IND INST FOR RES
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Filing: 1971-02-18
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Granted: 1974-03-12
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Expires: 1991-02-18
Abstract
Abstract SOLID MATERIAL IS FINELY DIVIDED, ACTIVE FORM IS PREPARED BY CONTACTING AN AQUEOUS DISPERSION OF AT LEAST ONE SUBSTANCE WITH AN INERT ORGANIC COMPOUND ACTING AS HEAT CARRIER AND HEATED TO A TEMPERATURE OF AT LAST 100* C. HIGHER THAN THAT OF THE DISPERSION. THERE FORMS A DISPERSION OF FINELY DIVIDED SOLID MATERIAL IN THE HEAT CARRIER FROM WHERE THE SOLID MATERIAL IS RECOVERED. THE AQUEOUS DISPERSION AND HEAT CARRIER MAY BE CONTACTED BY INJECTING THEM CONTINUOUSLY AND SIMULTANEOUSLY INTO A REACTION CHAMBER.
Inventors
- 👤 A Metzer
- 👤 C Gorin
- 👤 E Basevi
- 👤 A Baniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:50
CPC Classifications
B; B01; B01J; B01J21/00; B01J2/00; B01J2/02; B01J2/04; B01J2/06; B01J23/00; B01J23/70; B01J23/74; B01J23/745; B01J37/00; B01J37/04; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/12; H01F1/34; H01F1/36; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/15
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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |