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US3657346A
Expired / Lapsed
US
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N n-dimethyl-n'-(2 5-dimethylbenzyl) formamidine
Assignee: BASF Schweiz AG
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Filing: 1968-01-17
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Granted: 1972-04-18
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Expires: 1988-01-17
Abstract
Abstract THE PRESENT INVENTION RELATES TO NEW AMIDINE OF THE FORMULA R1-N=CH-N(-R3)-R2 OR AN ACID ADDITION SALT THEREOF, WHEREIN R1 REPRESENTS AN ALIPHATIC CYCLOALIPHATIC, CYCLOALOPHATIC-ALIPHATIC OR ARALIPHATIC RADICAL, R2 REPRESENTS A HYDROGEN ATOM OR A LOWER ALIPHATIC RADICAL AND R3 REPRESENTS A LOWER ALIPHATIC RADICAL, OR WHEREIN R2 AND R3 TOGETHER WITH THE NITROGEN ATOM TO WHICH THEY ARE BONDED REPRESENT A 5-MEMBERED TO 7MEMBERED HETEROCYCLIC STRUCTURE OPTIONALLY CONTAINING FURTHER HETERO-ATOMS AS WELL AS TO PESTICIDAL PREPARATIONS, WHICH CONTAIN, AS ACTIVE INGREDIENT, AN AMIDINE AS DEFINED ABOVE.
Inventors
- 👤 Dieter Duerr
- 👤 Heinz Siegle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:42
CPC Classifications
C; C07; C07C; C07C257/00; C07C257/10; C07C257/14; C07C257/12
Claims Analysis
Total Claims: 0
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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) | 1975-04-18 | 1975-10-18 | 1976-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-18 | 1979-10-18 | 1980-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-18 | 1983-10-18 | 1984-04-18 | $7700.00 | Window Closed / Lapsed |