US3130004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the purification and activation of titanium trichloride
Assignee: Glanzstoff AG
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Filing: 1961-09-05
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Granted: 1964-04-21
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Expires: 1981-09-05
Abstract
No abstract record available.
Inventors
- 👤 Siggel Erhard
- 👤 Meyer Gerhard
- 👤 Rosener Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:21
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B21; B21B; B21B39/00; B21B39/004; C; C01; C01G; C01G23/00; C01G23/02; C01G23/026; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S526/00; Y10S526/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
IN A PROCESS FOR PURIFYING, ACTIVATING, AND IMPROVING THE CATALYTIC PROPERTIES OF TITANIUM TRICHLORIDE WHCIH HAS BEEN PRODUCED BY THE REDUCTION OF TITANIUM TETRACHLORIDE AND IS CONTAMINATED WITH TITANIUM TETRACHLORIDE AND WHICH HAS BEEN WASHED WITH AN INERT HYDROCARBON, THE IMPROVEMENT WHICH COMPRISES: HEATING SAID TITANIUM TRICHLORIDE IN THE ABSENCE OF OLEFIN INA VESSEL AT A TEMPERATURE NOT EXCEEDING 100*C. WITH AN ORGANIC SOLVENT SATURATED WITH WATER FOR A PERIOD OF FROM 0.5 MINUTE TO 3 HOURS, THE AMOUNT OF WATER IN SAID VESSEL BEING FROM 0.1 TO 20 MOL PERCENT BASED ON THE AMOUNT OF TITANIUM TRICHLORIDE THAT IS PRESENT IN THE VESSEL, SYPHONING OFF THE ORGANIC SOLVENT CONTAINING SAID WATER, AND WASHING THE TITANIUM TRICHLORIDE ONCE AGAIN WITH AN INERT HYDROCARBON, WHEREBY AN ACTIVATED AND SUBSTANTIALLY MOISTURE AND TITANIUM TETRACHLORIDE FREE CATALYST IS OBTAINED.
Claim 2
Dependent Claim
136 words
IN A PROCESS FOR PURIFYING, ACTIVATING, AND IMPROVING THE CATALYTIC PROPERTIES OF TITANIUM TRICHLORIDE WHCIH HAS BEEN PRODUCED BY THE REDUCTION OF TITANIUM TETRACHLORIDE AND IS CONTAMINATED WITH TITANIUM TETRACHLORIDE AND WHICH HAS BEEN WASHED WITH AN INERT HYDROCARBON, THE IMPROVEMENT WHICH COMPRISES: HEATING SAID TITANIUM TRICHLORIDE IN THE ABSENCE OF OLEFIN INA VESSEL AT A TEMPERATURE NOT EXCEEDING 100*C. WITH AN ORGANIC SOLVENT SATURATED WITH WATER FOR A PERIOD OF FROM 0.5 MINUTE TO 3 HOURS, THE AMOUNT OF WATER IN SAID VESSEL BEING FROM 0.1 TO 20 MOL PERCENT BASED ON THE AMOUNT OF TITANIUM TRICHLORIDE THAT IS PRESENT IN THE VESSEL, SYPHONING OFF THE ORGANIC SOLVENT CONTAINING SAID WATER, AND WASHING THE TITANIUM TRICHLORIDE ONCE AGAIN WITH AN INERT HYDROCARBON, WHEREBY AN ACTIVATED AND SUBSTANTIALLY MOISTURE AND TITANIUM TETRACHLORIDE FREE CATALYST IS OBTAINED.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |