US2819946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of titanium tetraiodide
Assignee: Council of Scientific and Industrial Research
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Filing: 1955-01-17
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Granted: 1958-01-14
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Expires: 1975-01-17
Abstract
No abstract record available.
Inventors
- 👤 Ramamurthy Subramanya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:32
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PROCESS FOR THE PREPARATION OF TITANIUM TETRAIODIDE WHICH CONSISTS IN REACTING IN AN INERT ATMOSPHERE OF ARGON A MIXTURE OF TITANIUM DIOXIDE (TIO2) AND A SALT FROM THE GROUP CONSISTING OF ALUMINUM TRI-IODIDE (ALL)3 AND THE DOUBLE SALT OF ALUMINUM TRI-IODIDE WITH POTASSIUM IODIDE (KIAII3) IN THE PROPORTIONS OF 3 MOLES OF TITANIUM DIOXIDE TO 4 MOLES OF THE ALUMINUM TRI-IODIDE SALT, WITH A TEMPERATURE RANGE BETWEEN 100* AND 500*C., AND SEPARATION OF THE RESULTING TITANIUM TETRA-IODIDE.
Claim 2
Dependent Claim
78 words
A PROCESS FOR THE PREPARATION OF TITANIUM TETRAIODIDE WHICH CONSISTS IN REACTING IN AN INERT ATMOSPHERE OF ARGON A MIXTURE OF TITANIUM DIOXIDE (TIO2) AND A SALT FROM THE GROUP CONSISTING OF ALUMINUM TRI-IODIDE (ALL)3 AND THE DOUBLE SALT OF ALUMINUM TRI-IODIDE WITH POTASSIUM IODIDE (KIAII3) IN THE PROPORTIONS OF 3 MOLES OF TITANIUM DIOXIDE TO 4 MOLES OF THE ALUMINUM TRI-IODIDE SALT, WITH A TEMPERATURE RANGE BETWEEN 100* AND 500*C., AND SEPARATION OF THE RESULTING TITANIUM TETRA-IODIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |