US2759020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkylene bis-(oxyalkylene ammonium) compounds
Assignee: Novartis AG
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Filing: 1953-06-08
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Granted: 1956-08-14
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Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Girod Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:55
CPC Classifications
C; C07; C07C; C07C215/00; C07C215/02; C07C215/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A DIAMMONIUM COMPOUND OF THE FORMULA WHEREIN R STANDS FOR A LOW MOLECULAR ALKYL RADICAL, R'' REPRESENTS AN A ALKYL RADICAL HAVING 5 TO 10 CARBON ATOMS, M REPRESENTS AN INTERGER FROM 2 TO 4, N REPRESENTS AN INTEGER FROM 6 TO 14 AND AN $ REPRESENTS A THERAPEUTICALLY USEFUL MONOVALENT ANION.
Claim 2
Dependent Claim
52 words
A DIAMMONIUM COMPOUND OF THE FORMULA WHEREIN R STANDS FOR A LOW MOLECULAR ALKYL RADICAL, R'' REPRESENTS AN A ALKYL RADICAL HAVING 5 TO 10 CARBON ATOMS, M REPRESENTS AN INTERGER FROM 2 TO 4, N REPRESENTS AN INTEGER FROM 6 TO 14 AND AN $ REPRESENTS A THERAPEUTICALLY USEFUL MONOVALENT ANION.
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) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |