US3393191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo dyes in which the coupling component is a 1-amino-3-cyano benzene radical
Assignee: Sandoz AG
•
Filing: 1965-02-19
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Granted: 1968-07-16
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Expires: 1985-02-19
Abstract
No abstract record available.
Inventors
- 👤 Mueller Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:29
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/30; C21C5/32; C09; C09B; C09B39/00; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S8/00; Y10S8/933; Y10S8/934
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1978763A
Cited
US2173417A
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US2082156A
Cited
US2475228A
Cited
US2873270A
Cited
US2830043A
Cited
US2955901A
Cited
US2967858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |