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US3463771A
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Chromium or cobalt complexes of monoazo dyestuffs containing a trihalopyrimidyl group
Assignee: Sandoz AG
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Filing: 1967-08-09
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Granted: 1969-08-26
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Expires: 1987-08-09
Abstract
No abstract record available.
Inventors
- 👤 Jakob Benz
- 👤 August Schweizer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 17:30
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20; C09B62/24; C09B62/255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3127389A
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US1886480A
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US2836587A
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US2929809A
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US2935506A
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US3342798A
Cited
US3288776A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-25 | 1973-02-24 | 1973-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-25 | 1977-02-24 | 1977-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-25 | 1981-02-24 | 1981-08-26 | $7700.00 | Window Closed / Lapsed |