US3086006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble monoazo-dyestuffs and process for their manufacture
Assignee: Hoechst AG
•
Filing: 1961-01-23
•
Granted: 1963-04-16
•
Expires: 1981-01-23
Abstract
No abstract record available.
Inventors
- 👤 Lohe Konrad
- 👤 Ribka Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE WATER-INSOLUBLE MONOAZO-DYESTUFFS HAVING THE FORMULA
Claim 2
Dependent Claim
6 words
THE WATER-INSOLUBLE MONOAZO-DYESTUFFS HAVING THE FORMULA
References Cited (Backward Citations)
US2899421A
Cited
US2025582A
Cited
US2111890A
Cited
FR818675A
Cited
US2186226A
Cited
US2262464A
Cited
US2742459A
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 |