Patent US2593742A successfully refreshed from Google Patents.
US2983741A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentadienyl titanium halides
Assignee: Union Carbide Corp
•
Filing: 1953-09-23
•
Granted: 1961-05-09
•
Expires: 1973-09-23
Abstract
No abstract record available.
Inventors
- 👤 John C Brantley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:57
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/28
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
21 words
A PROCESS FOR THE PREPARATION OF ORGANO-TITANIUM HALIDES WHICH COMPRISES REACTING A TITANIUM HALIDE WITH A REAGENT HAVING THE GENERAL FORMULA
Claim 4
Dependent Claim
21 words
A PROCESS FOR THE PREPARATION OF ORGANO-TITANIUM HALIDES WHICH COMPRISES REACTING A TITANIUM HALIDE WITH A REAGENT HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2818416A
Cited
US2864843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |