US2904486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical reduction process
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1957-07-19
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Granted: 1959-09-15
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Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Delos E Bown
- 👤 James P Keller
- 👤 Albert T Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:08
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/026; Y; Y10; Y10S; Y10S526/00; Y10S526/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A PROCESS FOR PREPARING A STABLE FROM OF BROWN TITANIUM TRICHLORIDE WHICH COMPRISES REDUCING VAPORIZED TITANIUM TETRACHLORIDE IN THE PRESENCE OF AN ELECTRIC ARC HAVING A VOLTAGE WITHIN THE RANGE OF ABOUT 35,000 TO 500,000 VOLTS AT A TEMPERATURE OF LESS THAN ABOUT 120* C., SAID TITANIUM TETRACHLORIDE BEING REDUCED IN THE ABSENCE OF COMPOUNDS HAVING SUBSTANTIAL POLARITY.
Claim 2
Dependent Claim
58 words
A PROCESS FOR PREPARING A STABLE FROM OF BROWN TITANIUM TRICHLORIDE WHICH COMPRISES REDUCING VAPORIZED TITANIUM TETRACHLORIDE IN THE PRESENCE OF AN ELECTRIC ARC HAVING A VOLTAGE WITHIN THE RANGE OF ABOUT 35,000 TO 500,000 VOLTS AT A TEMPERATURE OF LESS THAN ABOUT 120* C., SAID TITANIUM TETRACHLORIDE BEING REDUCED IN THE ABSENCE OF COMPOUNDS HAVING SUBSTANTIAL POLARITY.
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) | 1962-09-14 | 1963-03-16 | 1963-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-14 | 1967-03-16 | 1967-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-14 | 1971-03-16 | 1971-09-15 | $7700.00 | Window Closed / Lapsed |