Patent US2734062A successfully refreshed from Google Patents.
US2734062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making them
Assignee: —
•
Filing: —
•
Granted: 1956-02-07
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Expires: 1973-02-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:07
CPC Classifications
C; C07; C07D; C07D451/00; C07D451/02; C07D451/04; C07D451/06; C07D451/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
QUARTERNARY SALTS OF BELLADONNINE HAVING THE FORMULA C34H42O4N2.X HALOGENALKYL.YH2O, WHEREIN, X IS EQUAL TO 1 OR 2, HALOGENALKYL IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF BROMO- AND IODO SUBSTITUTED HYDROCARBON RADICALS IN WHICH THE ALKYL CHAIN CONTAINS ONE TO FIVE CARBON ATOMS AND Y IS EQUAL TO 0 TO 8, GENERALLY SOLUBLE IN WATER, METHANOL OR ETHANOL, DIFFICULTY SOLUBLE TO INSOLUBLE IN ACETIC ESTER, BENZENE, PETROLETHER AND DIETHYLETHER, THE MAIN UNDISTURBED MAXIMA OF THEIR ULTRAVIOLET ABSORPTION SPECTRA BEING AT ABOUT 258 TO 259 AND 261 TO 262 MU, AND SAID SALTS SHOWING THE KNOWN COLOR REACTIONS OF BELLADONNINE.
Claim 2
Dependent Claim
100 words
QUARTERNARY SALTS OF BELLADONNINE HAVING THE FORMULA C34H42O4N2.X HALOGENALKYL.YH2O, WHEREIN, X IS EQUAL TO 1 OR 2, HALOGENALKYL IS A RADICAL SELECTED FROM THE GROUP CONSISTING OF BROMO- AND IODO SUBSTITUTED HYDROCARBON RADICALS IN WHICH THE ALKYL CHAIN CONTAINS ONE TO FIVE CARBON ATOMS AND Y IS EQUAL TO 0 TO 8, GENERALLY SOLUBLE IN WATER, METHANOL OR ETHANOL, DIFFICULTY SOLUBLE TO INSOLUBLE IN ACETIC ESTER, BENZENE, PETROLETHER AND DIETHYLETHER, THE MAIN UNDISTURBED MAXIMA OF THEIR ULTRAVIOLET ABSORPTION SPECTRA BEING AT ABOUT 258 TO 259 AND 261 TO 262 MU, AND SAID SALTS SHOWING THE KNOWN COLOR REACTIONS OF BELLADONNINE.
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) | 1959-02-06 | 1959-08-08 | 1960-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-06 | 1963-08-08 | 1964-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-06 | 1967-08-08 | 1968-02-07 | $7700.00 | Window Closed / Lapsed |