Patent US2882143A successfully refreshed from Google Patents.
US2882143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous process for the production of titanium metal
Assignee: NL Industries Inc
•
Filing: 1953-04-16
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Granted: 1959-04-14
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Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Charles L Schmidt
- 👤 Carl K Stoddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:54
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; C22B34/1295
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR PRODUCING A REFRACTORY METAL COMPACT WHICH COMPRISES: PROVIDING A REACTION BATH CONSISTING OF A MOLTEN HALIDE SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS AND ALKALINE EARTH METALS INCLUDING MAGNESIUM; INTRODUCING A REDUCING METAL INTO SAID MOLTEN METALLIC SALT BATH; FEEDING A CHLORIDE OF SAID REFRACTORY METAL TO SAID MOLTEN METALLIC SALT BATH AND REACTING SAID CHLORIDE WITH SAID REDUCING METAL TO FORM REFRACTORY METAL PARTICLES IN SAID BATH; CONSOLIDATING AND POSITIVELY COMPACTING THE REFRACTORY METAL PARTICLES IN SAID BATH TO PRODUCE A RELATIVELY DENSE REFRACTORY METAL COMPACT THEREIN; AND RECOVERING SAID RELATIVELY DENSE
Claim 2
Dependent Claim
102 words
A PROCESS FOR PRODUCING A REFRACTORY METAL COMPACT WHICH COMPRISES: PROVIDING A REACTION BATH CONSISTING OF A MOLTEN HALIDE SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METALS AND ALKALINE EARTH METALS INCLUDING MAGNESIUM; INTRODUCING A REDUCING METAL INTO SAID MOLTEN METALLIC SALT BATH; FEEDING A CHLORIDE OF SAID REFRACTORY METAL TO SAID MOLTEN METALLIC SALT BATH AND REACTING SAID CHLORIDE WITH SAID REDUCING METAL TO FORM REFRACTORY METAL PARTICLES IN SAID BATH; CONSOLIDATING AND POSITIVELY COMPACTING THE REFRACTORY METAL PARTICLES IN SAID BATH TO PRODUCE A RELATIVELY DENSE REFRACTORY METAL COMPACT THEREIN; AND RECOVERING SAID RELATIVELY DENSE
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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) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |