US3071605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing cyclopentadienyl-type metallic compounds
Assignee: Union Carbide Corp
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Filing: 1955-02-15
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Granted: 1963-01-01
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Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 Edward L Morehouse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:48
CPC Classifications
C; C07; C07F; C07F17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE PRODUCTION OF ORGANO-METALLIC COMPOUNDS WHICH COMPRISES REACTING A TRANSITION ELEMENT HALIDE WITH A MONOMERIC HYDROCARBON COMPOUND CONTAINING A SINGLE ALICYCLIC CYCLOPENTADIENYL RING, SAID RING HAVING AT LEAST ONE REPLACEMENT HYDROGEN ATOM ON ITS METHYLENE CARBON ATOM, IN THE PRESNCE, AS A HYDROGEN HALIDE ACCEPTOR, OF AN ACYCLIC HYDROCARBON AMINE HAVING A LOG KA VALUE OF AT LEAST 9.0.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE PRODUCTION OF ORGANO-METALLIC COMPOUNDS WHICH COMPRISES REACTING A TRANSITION ELEMENT HALIDE WITH A MONOMERIC HYDROCARBON COMPOUND CONTAINING A SINGLE ALICYCLIC CYCLOPENTADIENYL RING, SAID RING HAVING AT LEAST ONE REPLACEMENT HYDROGEN ATOM ON ITS METHYLENE CARBON ATOM, IN THE PRESNCE, AS A HYDROGEN HALIDE ACCEPTOR, OF AN ACYCLIC HYDROCARBON AMINE HAVING A LOG KA VALUE OF AT LEAST 9.0.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |