US3306919A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentadienyl titanium compounds
Assignee: Union Carbide Corp
•
Filing: 1958-01-15
•
Granted: 1967-02-28
•
Expires: 1978-01-15
Abstract
No abstract record available.
Inventors
- 👤 John C Brantley
- 👤 Edward L Morehouse
- 👤 Parts Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:52
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/28; C08; C08F; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/659; C08F4/65912; C08F4/6592
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
11 words
AS COMPOSITIONS OF MATTER THE ORGANOMETALLIC COMPOUNDS HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
11 words
PROCESS FOR THE PRODUCTION OF ORGANOMETALLIC COMPOUNDS HAVING THE GENERAL FORMULA
Claim 3
Dependent Claim
11 words
AS COMPOSITIONS OF MATTER, THE ORGANOMETALLIC COMPOUNDS HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2818416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |