Patent US4922548A successfully refreshed from Google Patents.
Patent US5052945A successfully refreshed from Google Patents.
Patent US3275570A successfully refreshed from Google Patents.
US3275570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lower valent titanium-aluminum halides
Assignee: British Titan Products Co Ltd
•
Filing: 1963-07-08
•
Granted: 1966-09-27
•
Expires: 1983-07-08
Abstract
No abstract record available.
Inventors
- 👤 Emeleus Harry Julius
- 👤 Howden Derek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:10
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/026; C01G23/002; C08; C08F; C08F10/00; C01P; C01P2006/00; C01P2006/60; Y; Y10; Y10S; Y10S526/00; Y10S526/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN THE REACTION IN A LIQUID REACTION MEDIUM OF A TITANIUM TETRAHALIDE AND ALUMINIUM METAL TO PRODUCE A LOWER VALENT TITANIUM-ALUMINIUM HALIDE COMPOSITION, THE IMPROVEMENT COMPRISING INITIATING SAID REACTION IN THE REACTION PRESENCE OF AN INTERHALOGEN COMPOUND HAVING THE FORMULA ABX WHEREIN A AND B ARE DIFFERENT HALOGEN ATOMS OTHER THAN FLUORINE AND X IS A INTEGER FROM 1 TO 3.
Claim 2
Dependent Claim
61 words
IN THE REACTION IN A LIQUID REACTION MEDIUM OF A TITANIUM TETRAHALIDE AND ALUMINIUM METAL TO PRODUCE A LOWER VALENT TITANIUM-ALUMINIUM HALIDE COMPOSITION, THE IMPROVEMENT COMPRISING INITIATING SAID REACTION IN THE REACTION PRESENCE OF AN INTERHALOGEN COMPOUND HAVING THE FORMULA ABX WHEREIN A AND B ARE DIFFERENT HALOGEN ATOMS OTHER THAN FLUORINE AND X IS A INTEGER FROM 1 TO 3.
References Cited (Backward Citations)
US2756215A
Cited
US2760938A
Cited
US2766133A
Cited
US2790704A
Cited
US2798819A
Cited
US3017401A
Cited
US3031440A
Cited
US2979549A
Cited
US2970179A
Cited
US3032390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |