US3032572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclopentadienyl nickel carbonyl compounds and process therefor
Assignee: Union Carbide Corp
•
Filing: 1958-07-15
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Granted: 1962-05-01
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Expires: 1978-07-15
Abstract
No abstract record available.
Inventors
- 👤 Fischer Ernst Otto
- 👤 Palm Christof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:07
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
AS COMPOSITIONS OF MATTER THE ORGANO-NICKEL COMPOUNDS HAVING THE FORMULA RNNIM(CO)2 WHEREIN R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF CYCLOPENTADIENYL AND MONO LOWER ALKYL-SUBSTITUTED CYCLOPENTADIENYL AND THE SUBSCRIPTS N AND M ARE THE SAME AND HAVE INTEGRAL VALUES SELECTED FROM THE GROUP CONSISTING OF 2 AND 3.
Claim 2
Dependent Claim
50 words
AS COMPOSITIONS OF MATTER THE ORGANO-NICKEL COMPOUNDS HAVING THE FORMULA RNNIM(CO)2 WHEREIN R IS A GROUP SELECTED FROM THE CLASS CONSISTING OF CYCLOPENTADIENYL AND MONO LOWER ALKYL-SUBSTITUTED CYCLOPENTADIENYL AND THE SUBSCRIPTS N AND M ARE THE SAME AND HAVE INTEGRAL VALUES SELECTED FROM THE GROUP CONSISTING OF 2 AND 3.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |