Patent US2798070A successfully refreshed from Google Patents.
US2798070A
Expired / Lapsed
US
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Quaternary quinoline carboxamide salts and method of preparing same
Assignee: Janssen Pharmaceuticals Inc
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Filing: 1954-02-04
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Granted: 1957-07-02
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Expires: 1974-02-04
Abstract
No abstract record available.
Inventors
- 👤 Cornelius K Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:42
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
QUATERNARY QUINOLINE CARBOXAMIDE SALT POSSESSING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
8 words
QUATERNARY QUINOLINE CARBOXAMIDE SALT POSSESSING THE STRUCTURAL FORMULA:
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) | 1960-07-01 | 1960-12-31 | 1961-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-01 | 1964-12-31 | 1965-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-01 | 1968-12-31 | 1969-07-02 | $7700.00 | Window Closed / Lapsed |