US2940951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallo-ceramic preparations
Assignee: Union Carbide Corp
•
Filing: 1955-03-07
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Granted: 1960-06-14
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Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Simon L Ruskin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:33
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/14; C08G77/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A POLYMER CONTAINING SILICON AND GERMANIUM FORMED BY REACTING GLYCEROL, GERMANIUM DIOXIDE AND SILICIC ACID UNDER IRRADIATION TO 100,000,000 R., MIXING THE SOLUTION THUS FORMED WITH LAMP BLACK, AND HEATING TO 350*C. UNTIL A HARD SHINY, BLACK, PLASTIC POLYMER IS FORMED.
Claim 2
Dependent Claim
41 words
A POLYMER CONTAINING SILICON AND GERMANIUM FORMED BY REACTING GLYCEROL, GERMANIUM DIOXIDE AND SILICIC ACID UNDER IRRADIATION TO 100,000,000 R., MIXING THE SOLUTION THUS FORMED WITH LAMP BLACK, AND HEATING TO 350*C. UNTIL A HARD SHINY, BLACK, PLASTIC POLYMER IS FORMED.
References Cited (Backward Citations)
GB569346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |