US3277131A
Expired / Lapsed
US
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Preparation of pure alkoxytitanium iodides
Assignee: Bayer AG
•
Filing: 1964-10-07
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Granted: 1966-10-04
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Expires: 1984-10-07
Abstract
No abstract record available.
Inventors
- 👤 Schon Nikolaus
- 👤 Witte Josef
- 👤 Pampus Gottfried
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:58
CPC Classifications
C; C08; C08F; C08F136/00; C08F136/02; C08F136/04; C08F136/06; C07; C07F; C07F7/00; C07F7/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
PROCESS FOR PREPARING A PURE ALKOXY TITANIUM TRIIODIDE WHICH COMPRISES REACTING TITANIUM TETRAIODIDE WITH TITANIUM TETRAALKYL ESTER IN A MOLE RATIO OF 3:1, IN THE PRESENCE OF AN INERT ORGANIC SOLVENT, AT A TEMPERATURE OF SUBSTANTIALLY BETWEEN ABOUT +30 AND +80*C. FOR A REACTION TIME OF AT MOST 150 MINUTES.
Claim 2
Dependent Claim
50 words
PROCESS FOR PREPARING A PURE ALKOXY TITANIUM TRIIODIDE WHICH COMPRISES REACTING TITANIUM TETRAIODIDE WITH TITANIUM TETRAALKYL ESTER IN A MOLE RATIO OF 3:1, IN THE PRESENCE OF AN INERT ORGANIC SOLVENT, AT A TEMPERATURE OF SUBSTANTIALLY BETWEEN ABOUT +30 AND +80*C. FOR A REACTION TIME OF AT MOST 150 MINUTES.
References Cited (Backward Citations)
US2898355A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |