US3351591A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-azolyl-4'-oxdiazolyl-stilbenes
Assignee: BASF Schweiz AG
•
Filing: 1965-08-31
•
Granted: 1967-11-07
•
Expires: 1985-08-31
Abstract
No abstract record available.
Inventors
- 👤 Siegrist Adolf Emil
- 👤 Maeder Erwin
- 👤 Liechti Peter
- 👤 Guglielmetti Leonardo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:37
CPC Classifications
C; C07; C07D; C07D413/00; C07D413/02; C07D413/10; D; D02; D02J; D02J13/00; D02J13/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
6 words
THE 4-OXAZOLY-4''-OXIDIAZOLYL STILBENE OF THE FORMULA
Claim 2
Dependent Claim
6 words
THE 4-OXAZOLY-4''-OXIDIAZOLYL STILBENE OF THE FORMULA
References Cited (Backward Citations)
US3133916A
Cited
US3260715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |