US3137696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4-chloro, 5-mercapto-3 (2h)-pyridazinones
Assignee: BASF SE
•
Filing: 1963-01-28
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Granted: 1964-06-16
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Reicheneder Franz
- 👤 Dury Karl
- 👤 Fischer Adolf
- 👤 Stummeyer Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:58
CPC Classifications
C; C07; C07D; C07D237/00; C07D237/02; C07D237/06; C07D237/10; C07D237/14; C07D237/16; A; A01; A01N; A01N43/00; A01N43/48; A01N43/58; C07D237/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING 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) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |