US3096320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-insoluble monoazo and disazo 1, 3, 4-thiadiazole dyestuffs
Assignee: BASF SE
•
Filing: 1960-03-28
•
Granted: 1963-07-02
•
Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Lange Guenter
- 👤 Luetzel Gerhard
- 👤 Wippel Hans Guenter
- 👤 Weidinger Hans
- 👤 Kranz Joachim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:45
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/02; C09B35/039; C09B35/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A WATER-INSOLUBLE AZO DYESTUFF OF THE GENERAL FORMULA
Claim 2
Dependent Claim
8 words
A WATER-INSOLUBLE AZO DYESTUFF OF THE GENERAL FORMULA
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |