Patent US2858189A successfully refreshed from Google Patents.
US2858189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of titanium tetrachloride
Assignee: United Guardian Inc
•
Filing: 1956-02-23
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Granted: 1958-10-28
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Expires: 1976-02-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Globus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:44
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
57 words
IN THE PRODUCTION OF TITANIUM TETRCHLORIDE BY REACTING CHLORINE WITH TITANIUM METAL IN SCRAP FORM, THE STEP OF INITIATING THE REACTION AT TEMPERATURES BELOW THOSE AT WHICH IT IS NORMALLY SELF-INITATING, BY ADDING TO THE METALLIC TITANIUM A SMALL AMOUNT OF A SUB-CHLORIDE OF TITANIUM SUFFICIENT TO INITIATE THE EXOTHERMIC REACTION BETWEEN THE CHLORINE AND TITANIUM METAL.
Claim 2
Dependent Claim
57 words
IN THE PRODUCTION OF TITANIUM TETRCHLORIDE BY REACTING CHLORINE WITH TITANIUM METAL IN SCRAP FORM, THE STEP OF INITIATING THE REACTION AT TEMPERATURES BELOW THOSE AT WHICH IT IS NORMALLY SELF-INITATING, BY ADDING TO THE METALLIC TITANIUM A SMALL AMOUNT OF A SUB-CHLORIDE OF TITANIUM SUFFICIENT TO INITIATE THE EXOTHERMIC REACTION BETWEEN THE CHLORINE AND TITANIUM METAL.
References Cited (Backward Citations)
US2670270A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |