US3030353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion products of azo dyestuffs containing heavy metal bound in complex linkage
Assignee: Novartis AG
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Filing: 1959-06-02
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Granted: 1962-04-17
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Expires: 1979-06-02
Abstract
No abstract record available.
Inventors
- 👤 Kuster Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:53
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
THE REACTION PRODUCT OF ONE MOL OF A METALLISED MONOAZO DYESTUFF CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND COBLAT BOUND IN COMPLEX UNION, WHICH MONOAZO DYESTUFF IS FREE FROM SULPHONIC ACID GROUPS AND IS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULAE
Claim 2
Dependent Claim
48 words
THE REACTION PRODUCT OF ONE MOL OF A METALLISED MONOAZO DYESTUFF CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF CHROMIUM AND COBLAT BOUND IN COMPLEX UNION, WHICH MONOAZO DYESTUFF IS FREE FROM SULPHONIC ACID GROUPS AND IS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS OF THE FORMULAE
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |