Patent US3059988A successfully refreshed from Google Patents.
US3059988A
Expired / Lapsed
US
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Monoazophthalocyanine dyes
Assignee: BASF Schweiz AG
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Filing: 1959-12-04
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Granted: 1962-10-23
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Expires: 1979-12-04
Abstract
No abstract record available.
Inventors
- 👤 Eugen J Koller
- 👤 Illy Hugo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:32
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/465; Y; Y10; Y10S; Y10S534/00; Y10S534/01
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
8 words
THE MIXTURE OF THE DYESTUFF OF THE FORMULALA
References Cited (Backward Citations)
US2863875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |