Patent US2798039A successfully refreshed from Google Patents.
US2798039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolytic production of titanium dichloride
Assignee: Individual
•
Filing: 1955-08-03
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Granted: 1957-07-02
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Expires: 1975-08-03
Abstract
No abstract record available.
Inventors
- 👤 Inoue Yoshikame
- 👤 Takeuchi Kaichiro
- 👤 Fukuda Kazumi
- 👤 Miyawaki Hidekichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:25
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF PRODUCING TITANIUM DICHLORIDE FROM TITANIUM TETRACHLORIDE, COMPRISING THE STEPS OF PASSING DRY AMMONIA GAS THROUGH AND IN DIRECT-REACTION CONTACT WITH LIQUID TITANIUM TETRACHLORIDE TO THEREBY FORM TITANIUM TETRAMMINOTETRACHLORIDE, DISSOLVING SAID TITANIUM TETRAM-MINOTETRACHLORIDE IN WATER, ELECTROLYZING THE RESULTANT AQUEOUS SOLUTION TO FORM THE DESIRED TITANIUM DICHLORIDE, AND SUBJECTING THE LIQUID CONTAINING SAID TITANIUM DICHLORIDE TO VACUUM DISTILLATION FOR REMOVING AMMONIA AND WATER FROM SAID LIQUID.
Claim 2
Independent Claim
67 words
THE METHOD OF PRODUCING TITANIUM DICHLORIDE FROM TITANIUM TETRACHLORIDE, COMPRISING THE STEPS OF PASSING DRY AMMONIA GAS THROUGH AND IN DIRECT-REACTION CONTACT WITH LIQUID TITANIUM TETRACHLORIDE TO THEREBY FORM TITANIUM TETRAMMINOTETRACHLORIDE, DISSOLVING SAID TITANIUM TETRAM-MINOTETRACHLORIDE IN WATER, ELECTROLYZING THE RESULTANT AQUEOUS SOLUTION TO FORM THE DESIRED TITANIUM DICHLORIDE, AND SUBJECTING THE LIQUID CONTAINING SAID TITANIUM DICHLORIDE TO VACUUM DISTILLATION FOR REMOVING AMMONIA AND WATER FROM SAID LIQUID.
References Cited (Backward Citations)
US723217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |