Patent US2442287A successfully refreshed from Google Patents.
US3759683A
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Process for the manufacture of multi component substances
Assignee: Schott AG
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Filing: 1970-07-30
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Granted: 1973-09-18
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Expires: 1990-07-30
Abstract
Abstract GLASSY, CRYSTALLINE, OR GLASSY CRYSTALLINE OXIDIC MULTICOMPONENT SUBSTANCES, WHICH ARE TRANSPARENT, ARE PRODUCED WITHOUT GOING THROUGH A MOLTEN PHASE. AN ALKALI OR ALKALINE EARTH METAL COMPOUND AND AT LEAST ONE OTHER METAL COMPOUND, BOTH DISSOLVED IN AN ORGANIC SOLVENT, ARE REACTED IN THE SOLVENT, THE SOLVENT IS EVAPORATED TO FORM A PRECIPITATE, AND THE PRECIPITATE IS HEATED TO FORM THE MULTI-COMPONENT SUBSTANCE.
Inventors
- 👤 H Dislich
- 👤 P Hinz
- 👤 R Kaufmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:59
CPC Classifications
F; F02; F02G; F02G3/00; F02G3/02; C; C03; C03C; C03C1/00; C03C1/006; C03C1/008; C03C17/00; C03C17/02; C03C17/22; C03C17/23; C03C17/25; C03C3/00; C03C8/00; C03C8/14; C03C8/16; C03C2205/00; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/229; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/111; Y; Y10; Y10S; Y10S65/00; Y10S65/901
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |