US2854456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New ganglionic blocking agents
Assignee: CIBA PHARM PROD Inc
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Filing: 1955-07-25
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Granted: 1958-09-30
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Expires: 1975-07-25
Abstract
No abstract record available.
Inventors
- 👤 Renat H Mizzoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:53
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
51 words
R,R''-DIQUATERNARY AMMONIUM COMPOUNDS OF 2-R1IMINO-3-R2-4-(R3-Z)-4-THIAZOLINES, WHEREIN R, R'', R1 AND R2 REPRESENT LOWER ALKYL RADICALS, Z STANDS FOR A DIVALENT LOWER ALKYL RADICAL, SEPARATING R3 FROM THE THIAZOLINE RING BY AT LEAST TWO CARBON ATOMS, AND R3 STANDS FOR A MEMBER OF THE GROUP CONSISTING OF DI-LOWER ALKYLAMINO AND PIPERIDINO RADICALS.
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |