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US3496190A
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Bis-tetrachloro-isoindolin-1-on-3-ylidene-imino pigment
Assignee: Novartis AG
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Filing: 1966-08-22
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Granted: 1970-02-17
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Jost Von Der Crone
- 👤 Andre Pugin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:57
CPC Classifications
C; C09; C09B; C09B57/00; C09B57/04; C07; C07D; C07D209/00; C07D209/02; C07D209/44; C07D209/50; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415; C08K5/3417
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2973358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |