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US2810726A
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Alpha-halo-alpha'-imino-substituted pyrrolines and piperideines and their acid saltsand method for their preparation
Assignee: EIDP Inc
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Filing: 1956-01-10
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Granted: 1957-10-22
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Expires: 1976-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward G Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:41
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D211/00; C07D211/04; C07D211/80; C07D211/84
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A NITROGEN-CONTAINING HETEROCYCLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF THE FREE BASES OF ALPHAHALO-ALPHA''-IMINO-SUBSTITUTED PYRROLINES AND PIPERIDEINES AND THEIR ACID SALTS, SAID NITROGEN-CONTAINING HETEROCYCLIC COMPOUND HAVING A FIVE- TO SIX-MEMBERED HETEROCYCLIC COMPOUND HAVING A FIVE TO SIX-MEMBERED HETEROCYCLIC RING CONSISTING OF CARBON ATOMS AND ONE NITROGEN ATOM WHEREIN ONE OF THE RING CARBONS BONDED TO RING NITROGEN IS SINGLY BONDED THERETO AND BEARS AN EXOCYCLIC IMINO GROUP AND THE OTHER OF THE RING CARBONS BONDED TO RING NITROGEN IS DOUBLY BONDED THERETO AND BEARS AND EXOCYCLIC HALOGEN ATOM OF ATOMIC NUMBER 35 TO 53 AND THE REMAINING RING CARBONS ARE ALIPHATICALLY SATURATED AND EACH BEARS AT MOST ONE MONOVALENT SUBSITIUENT SELECTED FROM THE CLASS CONSISTING OF HALOGEN, MONOVALENT HYDROCARBON RADICALS OF NOT MORE THAN 8 CARBONS TOMS, AND ETHER-CONTAINING HYDROCARBON AND THIOETHER-CONTAINING HYDROCARBON RADICALS OF NOT MORE THAN 8 CARBON ATOMS.
Claim 2
Dependent Claim
142 words
A NITROGEN-CONTAINING HETEROCYCLIC COMPOUND SELECTED FROM THE CLASS CONSISTING OF THE FREE BASES OF ALPHAHALO-ALPHA''-IMINO-SUBSTITUTED PYRROLINES AND PIPERIDEINES AND THEIR ACID SALTS, SAID NITROGEN-CONTAINING HETEROCYCLIC COMPOUND HAVING A FIVE- TO SIX-MEMBERED HETEROCYCLIC COMPOUND HAVING A FIVE TO SIX-MEMBERED HETEROCYCLIC RING CONSISTING OF CARBON ATOMS AND ONE NITROGEN ATOM WHEREIN ONE OF THE RING CARBONS BONDED TO RING NITROGEN IS SINGLY BONDED THERETO AND BEARS AN EXOCYCLIC IMINO GROUP AND THE OTHER OF THE RING CARBONS BONDED TO RING NITROGEN IS DOUBLY BONDED THERETO AND BEARS AND EXOCYCLIC HALOGEN ATOM OF ATOMIC NUMBER 35 TO 53 AND THE REMAINING RING CARBONS ARE ALIPHATICALLY SATURATED AND EACH BEARS AT MOST ONE MONOVALENT SUBSITIUENT SELECTED FROM THE CLASS CONSISTING OF HALOGEN, MONOVALENT HYDROCARBON RADICALS OF NOT MORE THAN 8 CARBONS TOMS, AND ETHER-CONTAINING HYDROCARBON AND THIOETHER-CONTAINING HYDROCARBON RADICALS OF NOT MORE THAN 8 CARBON ATOMS.
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) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |