US2653107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fused reduced titania-zirconia product and method
Assignee: NL Industries Inc
•
Filing: 1950-03-30
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Granted: 1953-09-22
•
Expires: 1970-03-30
Abstract
No abstract record available.
Inventors
- 👤 Warren B Blumenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:59
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/48; C04B35/46; C04B35/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
THE METHOD OF MANUFACTURING A FUSED REDUCED TITANIA-ZIRCONIA PRODUCT WHICH COMPRISES HEATING TO FUSION A MIXTURE OF TITANIUM DIOXIDE AND ZIRCONIUM DIOXIDE OF COMPOSITION WITHIN THE MOL RATIO RANGE 1:9 AND 9:1 WITH SUFFICIENT CARBON TO REDUCE THE OXYGEN CONTENT BELOW 98 PER CENT OF THE ORIGINAL AMOUNT BUT NOT BELOW 15 WEIGHT PER CENT, WITHDRAWING THE MOLTEN FUSION PRODUCT AND PERMITTING THE SAME TO COOL AND CRYSTALLIZE.
Claim 2
Independent Claim
68 words
THE METHOD OF MANUFACTURING A FUSED REDUCED TITANIA-ZIRCONIA PRODUCT WHICH COMPRISES HEATING TO FUSION A MIXTURE OF TITANIUM DIOXIDE AND ZIRCONIUM DIOXIDE OF COMPOSITION WITHIN THE MOL RATIO RANGE 1:9 AND 9:1 WITH SUFFICIENT CARBON TO REDUCE THE OXYGEN CONTENT BELOW 98 PER CENT OF THE ORIGINAL AMOUNT BUT NOT BELOW 15 WEIGHT PER CENT, WITHDRAWING THE MOLTEN FUSION PRODUCT AND PERMITTING THE SAME TO COOL AND CRYSTALLIZE.
References Cited (Backward Citations)
US1960329A
Cited
US2364123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |