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US2835702A
Expired / Lapsed
US
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Benzene 1, 3 disulfonamides possessing diuretic properties
Assignee: Merck and Co Inc
•
Filing: 1956-05-02
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Granted: 1958-05-20
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Expires: 1976-05-02
Abstract
No abstract record available.
Inventors
- 👤 Everett M Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:50
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A 4-CHLORO-5-HALBENZENE-1,3-DISULFONAMIDE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL STRUCTURAL FORMULA
Claim 2
Dependent Claim
14 words
A 4-CHLORO-5-HALBENZENE-1,3-DISULFONAMIDE SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE GENERAL STRUCTURAL FORMULA
References Cited (Backward Citations)
US2165484A
Cited
US2929997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |