Patent US3676441A successfully refreshed from Google Patents.
US3676441A
Expired / Lapsed
US
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2-amino-4-tertiary butylamino-1,3,5-triazines
Assignee: Novartis AG
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Filing: 1970-04-16
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Granted: 1972-07-11
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Expires: 1990-04-16
Abstract
Abstract 2-Amino-4-tertiary butylamino-1,3,5-triazines possessing in the 6-position a chlorine atom, a methoxy or a methyl-mercapto group are very effective weed killers and plant influencing agents.
Inventors
- 👤 Erwin Nikles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:47
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/36; C09B1/46; C09B1/467; C09B3/00; C09B5/00; C09B5/02; C09B5/24
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
11 words
A compound according to claim 1 in which X is chlorine.
Claim 2
Dependent Claim
13 words
A compound according to claim 1 in which X is a methoxy group.
Claim 3
Dependent Claim
13 words
A compound according to claim 1 in which X is a methylthio group.
References Cited (Backward Citations)
US2909420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |