US3213078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrimidine dyestuffs
Assignee: Sandoz AG
•
Filing: 1963-02-01
•
Granted: 1965-10-19
•
Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Benz Jakob
- 👤 Ischer Hans
- 👤 Kaegi Karl
- 👤 Siegrist Hans
- 👤 Uehlinger Hanspeter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:21
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/02; C09B62/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
WATER-SOLUBLE ORGANIC DYESTUFF OF THE FORMULA
Claim 2
Dependent Claim
6 words
WATER-SOLUBLE ORGANIC DYESTUFF OF THE 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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |