US3402168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monoazo pigments containing 2, 3-hydroxynaphthoic acid amide
Assignee: BASF Schweiz AG
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Filing: 1965-06-22
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Granted: 1968-09-17
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Expires: 1985-06-22
Abstract
No abstract record available.
Inventors
- 👤 Ronco Karl
- 👤 Mueller Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:55
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041; C08K5/16; C08K5/22; C08K5/23; C09; C09B; C09B43/00; C09B43/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |