Patent US2655523A successfully refreshed from Google Patents.
US2655523A
Expired / Lapsed
US
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Preparation of alkyl titanates
Assignee: NL Industries Inc
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Filing: 1951-02-08
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Granted: 1953-10-13
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Expires: 1971-02-08
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:12
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
METHOD FOR PREPARATION OF ALKYL TITANATES WHICH COMPRISES ADMIXING TITANIUM TETRACHLORIDE, AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY MONOHYDRIC NONSUBSTITUTED ALIPHATIC ALCOHOLS HAVING AT LEAST TWO CARBON ATOMS, AND LIQUEFIED AMMONIA IN A CLOSED SYSTEM, SAID AMMONIA BEING PRESENT IN AMOUNT AT LEAST EQUAL TO THAT REQUIRED TO REACT WITH THE CHLORIDE IONS RELEASED FROM THE TETRACHLORIDE PLUS THAT REQUIRED TO DISSOLVE THE AMMONIUM CHLORIDE FORMED BY THE REACTION, AND SEPARATING THE LIQUID ALKYL TITANATE LAYER FROM THE LIQUID AMMONIA-AMMONIUM CHLORIDE LAYER, THE ENTIRE PROCESS BEING CARRIED OUT IN THE ANHYDROUS STATE.
Claim 2
Dependent Claim
96 words
METHOD FOR PREPARATION OF ALKYL TITANATES WHICH COMPRISES ADMIXING TITANIUM TETRACHLORIDE, AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF PRIMARY AND SECONDARY MONOHYDRIC NONSUBSTITUTED ALIPHATIC ALCOHOLS HAVING AT LEAST TWO CARBON ATOMS, AND LIQUEFIED AMMONIA IN A CLOSED SYSTEM, SAID AMMONIA BEING PRESENT IN AMOUNT AT LEAST EQUAL TO THAT REQUIRED TO REACT WITH THE CHLORIDE IONS RELEASED FROM THE TETRACHLORIDE PLUS THAT REQUIRED TO DISSOLVE THE AMMONIUM CHLORIDE FORMED BY THE REACTION, AND SEPARATING THE LIQUID ALKYL TITANATE LAYER FROM THE LIQUID AMMONIA-AMMONIUM CHLORIDE LAYER, THE ENTIRE PROCESS BEING CARRIED OUT IN THE ANHYDROUS STATE.
References Cited (Backward Citations)
GB479470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |