US3466162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for control of algae growth using compositions containing diamines and/or derivatives thereof
Assignee: F Hoffmann La Roche AG
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Filing: 1967-02-07
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Granted: 1969-09-09
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Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Urs Gloor
- 👤 Klaus Bohnen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:03
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/02; A01N33/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3064052A
Cited
US3064039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |