Patent US2835626A successfully refreshed from Google Patents.
US2835626A
Expired / Lapsed
US
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Process for the production of new pyridazine derivatives and their use as fungicides
Assignee: Novartis AG
•
Filing: 1956-06-11
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Granted: 1958-05-20
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Margot Alfred
- 👤 Gysin Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:19
CPC Classifications
C; C07; C07D; C07D237/00; C07D237/02; C07D237/06; C07D237/10; C07D237/14; C07D237/18
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
7 words
A PYRIDAZINE DERIVATIVE CORRESPONDING TO THE FORMULA:
Claim 2
Dependent Claim
7 words
A PYRIDAZINE DERIVATIVE CORRESPONDING TO THE FORMULA:
Claim 3
Dependent Claim
34 words
A FUNGICIDAL COMPOSITION COMPRISING AS ACTIVE INGREDIENT A PYRIDAZINE DERIVATIVE AS CLAIMED IN CLAIM 1, IN AN AMOUNT AND CONCENTRATION SUFFICIENT TO INHIBIT THE GROWTH OF FUNGI, AND A FUNGICIDE ADJUVANT AS A CARRIER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-19 | 1961-11-18 | 1962-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-19 | 1965-11-18 | 1966-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-19 | 1969-11-18 | 1970-05-20 | $7700.00 | Window Closed / Lapsed |