US2889329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halo substituted polycyclic derivatives of pyridine and process
Assignee: Universal Oil Products Co
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Filing: 1957-10-15
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Granted: 1959-06-02
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Expires: 1977-10-15
Abstract
No abstract record available.
Inventors
- 👤 John P Luvisi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:46
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/24; C07D213/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
50 words
A PROCESS WHICH COMPRISES CONDENSING AN ALKYL PYRIDINE WITH A HALO SUBSTITUTED POLYCYCLOALKADIENE SELECTED FROM THE GROUP CONSISTING OF HALONORBORNADIENES AND HALOHEXAHYDRODIMETHANONAPHTHALENES IN THE PRESENCE OF AN AMIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL AMIDES IN LIQUID AMMONIA, AND RECOVERING THE RESULTANT CONDENSATION PRODUCT.
Claim 2
Dependent Claim
50 words
A PROCESS WHICH COMPRISES CONDENSING AN ALKYL PYRIDINE WITH A HALO SUBSTITUTED POLYCYCLOALKADIENE SELECTED FROM THE GROUP CONSISTING OF HALONORBORNADIENES AND HALOHEXAHYDRODIMETHANONAPHTHALENES IN THE PRESENCE OF AN AMIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL AMIDES IN LIQUID AMMONIA, AND RECOVERING THE RESULTANT CONDENSATION PRODUCT.
Claim 3
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (HALO-2,5- NORBORNADIENE-2-YLMETHYL)PYRIDINE AND (2(HALOHEXAHYDRO-DIMETHANONAPHTHYL)METHYL)-PYRIDINE.
Claim 4
Dependent Claim
12 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (HALO-2,5- NORBORNADIENE-2-YLMETHYL)PYRIDINE AND (2(HALOHEXAHYDRO-DIMETHANONAPHTHYL)METHYL)-PYRIDINE.
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) | 1962-06-01 | 1962-12-01 | 1963-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-01 | 1966-12-01 | 1967-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-01 | 1970-12-01 | 1971-06-02 | $7700.00 | Window Closed / Lapsed |