Patent US3376128A successfully refreshed from Google Patents.
US3376128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
4, 5-dimercaptopyridazones
Assignee: BASF SE
•
Filing: 1965-12-21
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Granted: 1968-04-02
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Expires: 1985-12-21
Abstract
No abstract record available.
Inventors
- 👤 Reicheneder Franz
- 👤 Dury Johanna Maria
- 👤 Fischer Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:40
CPC Classifications
C; C07; C07D; C07D417/00; C07D417/02; C07D417/12; A; A01; A01N; A01N43/00; A01N43/48; A01N43/58; C07D237/00; C07D237/02; C07D237/06; C07D237/10; C07D237/18; C07D419/00; C07D419/02; C07D419/12
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
23 words
A METHOD OF REGULATING PLANT GROWTH WHICH COMPRISES TREATING THE SOIL WITH A PHYTOTOXIC AMOUNT OF A COMPOUND AS CLAIMED IN CLAIM 1.
References Cited (Backward Citations)
US3137696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |