Patent US2864690A successfully refreshed from Google Patents.
US2864690A
Expired / Lapsed
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Process for treating titanium metal
Assignee: NL Industries Inc
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Filing: 1955-03-08
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Granted: 1958-12-16
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Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Robert P Lee
- 👤 Harry G Rodman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:21
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR REMOVING THE REACTION BYPRODUCTS FROM CRUDE UNLEACHED TITANIUM METAL PRODUCED BY REDUCTION FROM ITS HALIDE AND FOR PREVENTING ABSORPTION OF HYDROGEN IN THE TITANIUM METAL PRODUCT DURING REMOVAL OF SAID REACTION BYPRODUCTS WHICH COMPRISES ADMIXING SAID CRUDE METAL WITH AN OXIDIZING ACIDIC SOLUTION TO SOLUBILIZE THE REACTION BYPRODUCTS FROM SAID METAL AND SEPARATING SAID SOLUTION CONTAINING THE SOLUBILIZED REACTION BYPRODUCTS FROM SAID TITANIUM METAL, SAID OXIDIZING ACID SOLUTION CAPABLE OF OXIDIZING HYDROGEN GAS TO HYDROGEN ION.
Claim 2
Dependent Claim
79 words
A PROCESS FOR REMOVING THE REACTION BYPRODUCTS FROM CRUDE UNLEACHED TITANIUM METAL PRODUCED BY REDUCTION FROM ITS HALIDE AND FOR PREVENTING ABSORPTION OF HYDROGEN IN THE TITANIUM METAL PRODUCT DURING REMOVAL OF SAID REACTION BYPRODUCTS WHICH COMPRISES ADMIXING SAID CRUDE METAL WITH AN OXIDIZING ACIDIC SOLUTION TO SOLUBILIZE THE REACTION BYPRODUCTS FROM SAID METAL AND SEPARATING SAID SOLUTION CONTAINING THE SOLUBILIZED REACTION BYPRODUCTS FROM SAID TITANIUM METAL, SAID OXIDIZING ACID SOLUTION CAPABLE OF OXIDIZING HYDROGEN GAS TO HYDROGEN ION.
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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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |