Patent US3892558A successfully refreshed from Google Patents.
US3892558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Briquette for producing aluminum-silicon
Assignee: Individual
•
Filing: 1972-09-18
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Granted: 1975-07-01
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Expires: 1992-09-18
Abstract
Abstract The briquette of the invention comprises the following components in the following weight percentage: carbonaceous reducing agent, 30 to 40; alumina, 4 to 25; kaolin, 8 to 40 and disthene sillimanite, the remainder.
Inventors
- 👤 Dmitry Vladimirovich Ilinkov
- 👤 Pavel Ilich Volpin
- 👤 Vasily Petrovich Rumyantsev
- 👤 Stanislav Arsenievic Artemenko
- 👤 Miro Alivoivodich
- 👤 Raisa Ivanovna Ragulina
- 👤 Vasily Grigorievich Zadorozhny
- 👤 Viktor Viktorovich Varen
- 👤 Boris Ivanovich Emlin
- 👤 Mikhail Ivanovich Gasik
- 👤 Spiridon Iosifovich Khitrik
- 👤 Nikolai Semenovich Klimkovich
- 👤 Anatoly Yakovlevich Novikov
- 👤 Ljudmila Ivanovna Gasik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:34
CPC Classifications
C; C22; C22C; C22C21/00; C22C21/02; C22B; C22B21/00; C22B21/0007
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
42 words
A BRIQUETTE FOR PRODUCING ALUMINUM-SILICON BY THE ORE REDUCING SMELTING PROCESS IN AN ELECTRIC-ARS FURNACE, THE BRIQUETTE COMPOSITION COMPRISING, IN WEIGHT PER CENT, CARBONACEOUS REDUCING AGENT, 30 TO 40, KAOLIN, 8 TO 40, ALUMINA 4 TO 25, AND THE REMAINDER DISTHENE SILLIMANITE.
Claim 2
Dependent Claim
42 words
A BRIQUETTE FOR PRODUCING ALUMINUM-SILICON BY THE ORE REDUCING SMELTING PROCESS IN AN ELECTRIC-ARS FURNACE, THE BRIQUETTE COMPOSITION COMPRISING, IN WEIGHT PER CENT, CARBONACEOUS REDUCING AGENT, 30 TO 40, KAOLIN, 8 TO 40, ALUMINA 4 TO 25, AND THE REMAINDER DISTHENE SILLIMANITE.
Claim 3
Dependent Claim
21 words
The briquette of claim 1 comprising, in weight percent: carbonaceous reducing agent, 30; kaolin, 25; alumina, 25; and disthene sillimanite, 20.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-06-30 | 1978-12-30 | 1979-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-06-30 | 1982-12-30 | 1983-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-06-30 | 1986-12-30 | 1987-07-01 | $7700.00 | Window Closed / Lapsed |