Patent US3261894A successfully refreshed from Google Patents.
US3261894A
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Method of manufacturing foamed silicate structures
Assignee: Wasag Chemie AG
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Filing: 1962-08-15
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Granted: 1966-07-19
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Expires: 1982-08-15
Abstract
No abstract record available.
Inventors
- 👤 Alois Seidl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:41
CPC Classifications
C; C03; C03C; C03C11/00; C03C11/007; C04; C04B; C04B20/00; C04B20/10; C04B20/1055; C04B28/00; C04B28/24; C04B28/26; C04B38/00; C04B38/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF PRODUCING A METAL COATED SILICATE PARTICLE, WHICH METHOD COMPRISES THE STEPS OF: (A) FORMING A SOLUTION CONTAINING IN PARTS BY WEIGHT, ABOUT ONE PART ALKALI METAL SILICATE, 0.02-2.7 PARTS OF INORGANIC FIBROUS SILICATE, AND 2-10 PARTS WATER; (B) HEATING SAID SOLUTION TO ABOUT 140-360*C. TO ELIMINATE ANY FREE WATER PHASE; (C) COMMINUTING SAID DRIED MIXTURE TO OBTAIN PARTICLES OF 0.1-10 MM.; AND (D) COATING SAID PARTICLES WITH A LAYER OF MOLTEN METAL.
Claim 2
Independent Claim
75 words
A METHOD OF PRODUCING A METAL COATED SILICATE PARTICLE, WHICH METHOD COMPRISES THE STEPS OF: (A) FORMING A SOLUTION CONTAINING IN PARTS BY WEIGHT, ABOUT ONE PART ALKALI METAL SILICATE, 0.02-2.7 PARTS OF INORGANIC FIBROUS SILICATE, AND 2-10 PARTS WATER; (B) HEATING SAID SOLUTION TO ABOUT 140-360*C. TO ELIMINATE ANY FREE WATER PHASE; (C) COMMINUTING SAID DRIED MIXTURE TO OBTAIN PARTICLES OF 0.1-10 MM.; AND (D) COATING SAID PARTICLES WITH A LAYER OF MOLTEN METAL.
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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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |