US2647122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tertiary amines and process of preparing them
Assignee: STWB Inc
•
Filing: 1948-10-01
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Granted: 1953-07-28
•
Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 Archer Sydney
- 👤 Ruddy Arlo Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WHEREIN THE CYCLOALKENYL AND CYCLOALKYLIDENE GROUPS ARE 5 TO 6 MEMBERED RINGS, R IS AN AROMATIC GROUP SELECTED FROM THE GROUP CONSISTING OF THE BENZENE, NAPHTHALENE, BIPHENYL, THIOPHENE, PYRIDINE AND FURAN SERIES, Y IS AN ALKYLENE BRIDGE OF FROM 2 TO 3 CARBON ATOMS, -N=R IS A MEMBER OF THE GROUP CONSISTING OF DI-LOWER-ALKYLAMINO, PIPERIDINO, PYRROLIDINO AND MORPHOLINO RADICALS; AND WATER-SOLUBLE SALTS THEREOF.
Claim 2
Dependent Claim
71 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WHEREIN THE CYCLOALKENYL AND CYCLOALKYLIDENE GROUPS ARE 5 TO 6 MEMBERED RINGS, R IS AN AROMATIC GROUP SELECTED FROM THE GROUP CONSISTING OF THE BENZENE, NAPHTHALENE, BIPHENYL, THIOPHENE, PYRIDINE AND FURAN SERIES, Y IS AN ALKYLENE BRIDGE OF FROM 2 TO 3 CARBON ATOMS, -N=R IS A MEMBER OF THE GROUP CONSISTING OF DI-LOWER-ALKYLAMINO, PIPERIDINO, PYRROLIDINO AND MORPHOLINO RADICALS; AND WATER-SOLUBLE SALTS THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |