US2622005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for chlorinating titaniferous material
Assignee: NL Industries Inc
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Filing: 1951-04-05
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Granted: 1952-12-16
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Expires: 1971-04-05
Abstract
No abstract record available.
Inventors
- 👤 Aagaard Leif
- 👤 Sandford S Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:58
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD FOR CHLORINATING THE TITANIUM VALUES FROM TITANIFEROUS MATERIAL CONTAINING A COMPOUND OF A METAL SELECTED FROM A GROUP CONSISTING OF CALCIUM AND MAGNESIUM WHICH COMPRISES MIXING TITANIUM PHOSPHATE AND SAID TITANIFEROUS MATERIAL TO FORM A DRY MIXTURE AND CHLORINATING SAID MIXTURE AT ELEVATED TEMPERAURE IN THE PRESENCE OF A CARBONACEOUS REDUCING AGENT TO FORM TITANIUM TETRACHLORIDE AND PHOSPHATE OF SAID METAL, WHEREBY SAID TITANIUM TETRACHLORIDE IS SEPARATED FROM SAID PHOSPHATE BY VOLATILIZATION.
Claim 2
Independent Claim
74 words
A METHOD FOR CHLORINATING THE TITANIUM VALUES FROM TITANIFEROUS MATERIAL CONTAINING A COMPOUND OF A METAL SELECTED FROM A GROUP CONSISTING OF CALCIUM AND MAGNESIUM WHICH COMPRISES MIXING TITANIUM PHOSPHATE AND SAID TITANIFEROUS MATERIAL TO FORM A DRY MIXTURE AND CHLORINATING SAID MIXTURE AT ELEVATED TEMPERAURE IN THE PRESENCE OF A CARBONACEOUS REDUCING AGENT TO FORM TITANIUM TETRACHLORIDE AND PHOSPHATE OF SAID METAL, WHEREBY SAID TITANIUM TETRACHLORIDE IS SEPARATED FROM SAID PHOSPHATE BY VOLATILIZATION.
References Cited (Backward Citations)
US2154130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |