US3580715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated fertilizer
Assignee: Olin Corp
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Filing: 1969-04-16
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Granted: 1971-05-25
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Expires: 1989-04-16
Abstract
Abstract TENACIOUS COATINGS OF FERTILIZER SUPPLEMENTS ARE APPLIED TO GRANULAR HIGH ANALYSIS FERTILIZERS, BY ADDDING IN ORDER, MINOR AMOUNTS OF MINERAL OIL AND OF AQUEOUS CALCIUM LIGNOSULFONATE AND THEN SUBSTANTIAL AMOUNTS OF FERTILIZER SUPPLEMENTS, MAINTAINING THE GRANULES IN MOTION DURING AND AFTER EACH ADDITION UNTIL THE ADDED MATERIAL UNIFORMLY COATS THE GRANULES.
Inventors
- 👤 Joseph T Dilday
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:57
CPC Classifications
C; C05; C05G; C05G5/00; C05G5/30; C05G5/36
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |