US3098864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arylferrocenes and a process for preparing them
Assignee: Monsanto Chemicals Ltd
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Filing: 1961-04-19
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Granted: 1963-07-23
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Expires: 1981-04-19
Abstract
No abstract record available.
Inventors
- 👤 Marvin D Rausch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:42
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/305; C07; C07F; C07F17/00; C07F17/02; C08; C08K; C08K5/00; C08K5/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PROCESS FOR PREPARING AN ARYLFERROCENE WITH A DIARYLMERCURY COMPOUND WHICH HAD FORM 6 TO 18 CARBON ATOMS IN EACH ARYL GROUP IN THE PRESENCE OF A METALLIC SILVER CONTAINING CATALYST AT A TEMPERATURE OF FROM ABOUT 230*C. TO 350*C.
Claim 2
Dependent Claim
40 words
A PROCESS FOR PREPARING AN ARYLFERROCENE WITH A DIARYLMERCURY COMPOUND WHICH HAD FORM 6 TO 18 CARBON ATOMS IN EACH ARYL GROUP IN THE PRESENCE OF A METALLIC SILVER CONTAINING CATALYST AT A TEMPERATURE OF FROM ABOUT 230*C. TO 350*C.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |