Patent US3086004A successfully refreshed from Google Patents.
US3086004A
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US
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Complex metal compounds of waterinsoluble azo-dyestuffs
Assignee: Hoechst AG
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Filing: 1960-12-13
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Granted: 1963-04-16
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Expires: 1980-12-13
Abstract
No abstract record available.
Inventors
- 👤 Gross Richard
- 👤 Hertel Hasso
- 👤 Mohr Reinhard
- 👤 Staab Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:35
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/10; C09B29/18; C09B29/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A COMPLEX METAL COMPOUND CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND NICKEL, OF A WATER-INSOLUBLE AZO-DYESTUFF HAVING THE FORMULA
Claim 2
Dependent Claim
23 words
A COMPLEX METAL COMPOUND CONTAINING A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND NICKEL, OF A WATER-INSOLUBLE AZO-DYESTUFF HAVING THE FORMULA
References Cited (Backward Citations)
US2004383A
Cited
US2209749A
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US2210072A
Cited
US2270678A
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US2416248A
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US2839521A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |