Patent US2616784A successfully refreshed from Google Patents.
US2616784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of titanium tetraiodide
Assignee: New Jersey Zinc Co
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Filing: 1949-07-13
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Granted: 1952-11-04
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Expires: 1969-07-13
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Reimert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:07
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
THE METHOD OF CONVERTING TITANIUM DIOXIDE TO TITANIUM TETRAIODIDE WHICH COMPRISES SUBJECTING TITANIUM DIOXIDE TO A REDUCING OPERATION WITH A REDUCING AGENT OF THE GROUP CONSISTING OF HYDROGEN AND CARBON AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 1000* C. TO ABOUT 1600* C. TO PRODUCE A LOWER OXIDE OF TITANIUM CONSISTING SUBSTANTIALLY OF AN OXIDE OF TITANIUM IN WHICH THE TITANIUM HAS A VALENCE OF LESS THAN FOUR AND FREE TO METALLIC TITANIUM, HEATING A BODY OF IODINE TO ITS BOILING POINT, PASSING THE RESULTING EVOLVED IODINE VAPOR IN CONTACT WITH SAID REDUCED OXIDE IN A REACTION ZONE MAINTAINED AT A TEMPERATURE OF AT LEAST 500* C., CONDENSING THE RESULTING TITANIUM TETRAIODIDE FROM THE EFFLUENT VAPORS LEAVING THE REACTION ZONE AT A TEMPERATURE BETWEEN THE BOILING POINT AND DEW POINT OF UNREACTED IODINE IN SAID EFFLUENT, SEPARATING THE CONDENSED TITANIUM TETRAIODIDE FROM UNREACTED IODINE VAPOR CONTAINED IN SAID EFFLUENT VAPORS, CONDENSING SAID UNREACTED IODINE VAPOR TO EFFECT RECOVERY THEREOF, AND RETURNING THE CONDENSED IODINE TO SAID BODY THEREOF.
Claim 2
Independent Claim
169 words
THE METHOD OF CONVERTING TITANIUM DIOXIDE TO TITANIUM TETRAIODIDE WHICH COMPRISES SUBJECTING TITANIUM DIOXIDE TO A REDUCING OPERATION WITH A REDUCING AGENT OF THE GROUP CONSISTING OF HYDROGEN AND CARBON AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 1000* C. TO ABOUT 1600* C. TO PRODUCE A LOWER OXIDE OF TITANIUM CONSISTING SUBSTANTIALLY OF AN OXIDE OF TITANIUM IN WHICH THE TITANIUM HAS A VALENCE OF LESS THAN FOUR AND FREE TO METALLIC TITANIUM, HEATING A BODY OF IODINE TO ITS BOILING POINT, PASSING THE RESULTING EVOLVED IODINE VAPOR IN CONTACT WITH SAID REDUCED OXIDE IN A REACTION ZONE MAINTAINED AT A TEMPERATURE OF AT LEAST 500* C., CONDENSING THE RESULTING TITANIUM TETRAIODIDE FROM THE EFFLUENT VAPORS LEAVING THE REACTION ZONE AT A TEMPERATURE BETWEEN THE BOILING POINT AND DEW POINT OF UNREACTED IODINE IN SAID EFFLUENT, SEPARATING THE CONDENSED TITANIUM TETRAIODIDE FROM UNREACTED IODINE VAPOR CONTAINED IN SAID EFFLUENT VAPORS, CONDENSING SAID UNREACTED IODINE VAPOR TO EFFECT RECOVERY THEREOF, AND RETURNING THE CONDENSED IODINE TO SAID BODY THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |