US3382260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel sulfonamide compounds and processes
Assignee: F Hoffmann La Roche AG
•
Filing: 1965-03-19
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Granted: 1968-05-07
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Gruenman Vsevolod
- 👤 Hoffer Max
- 👤 O'brien Jay Philip
- 👤 Zbinden Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:26
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/16; A61K31/18; A61K31/13; A61K31/135; C; C07; C07C; C07C311/00; C07C311/15; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
14 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2553093A
Cited
US2977376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |