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US3454575A
Expired / Lapsed
US
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Quaternary 5-ammonium-methyl-4-amino-2 cycloaliphatylpyrimidine salts
Assignee: BASF Corp
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Filing: 1967-03-06
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Granted: 1969-07-08
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Expires: 1987-03-06
Abstract
No abstract record available.
Inventors
- 👤 Renat Herbert Mizzoni
- 👤 George De Stevens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:04
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/24; C07D239/28; C07D239/32; C07D239/42; C07C; C07C17/00; C07C17/093; C07C17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3385857A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |