US3307934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a granulated peat fertilizer
Assignee: Fisons Horticulture Ltd
•
Filing: 1964-01-20
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Granted: 1967-03-07
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Palmer Robert Wilson
- 👤 Wilson Francis Neil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:32
CPC Classifications
C; C05; C05F; C05F11/00; C05F11/02; C05B; C05B1/00; C05B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS FOR PREPARING GRANULAR FERTILIZER MATERIALS WHICH COMPRISES FORMING A COMPOSITION COMPRISING PEAT, WATER AND A FERTILIZER SALT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM SULPHATE, MONOAMMONINUM PHOSPHATE, DIAMMONIUM PHOSPHATE, POTASSIUM PHOSPHATE, MONOCALCIUM PHOSPHATE, POTASSIUM CHLORIDE AND POTASSIUM SULPHATE, AGITATING THE SAID COMPOSITION TO FORM GRANULES, DRYING THE GRANULES AT A TEMPERATURE OF LESS THAN 110*C. IN THE ABSENCE OF SUBSTANTIAL MOVEMENT BETWEEN THE GRANULES AND RECOVERING THE DRIED GRANULES, THE WATER CONTENT OF THE COMPOSITION WHICH IS AGITATED BEING IN THE RANGE 30-50% BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION AND THE PROPORTION OF PEAT BEING IN THE RANGE 20-60% BY WEIGHT BASED ON THE WEIGHT OF THE FERTILIZER SALT ON A DRY BASIS.
Claim 2
Dependent Claim
118 words
A PROCESS FOR PREPARING GRANULAR FERTILIZER MATERIALS WHICH COMPRISES FORMING A COMPOSITION COMPRISING PEAT, WATER AND A FERTILIZER SALT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM SULPHATE, MONOAMMONINUM PHOSPHATE, DIAMMONIUM PHOSPHATE, POTASSIUM PHOSPHATE, MONOCALCIUM PHOSPHATE, POTASSIUM CHLORIDE AND POTASSIUM SULPHATE, AGITATING THE SAID COMPOSITION TO FORM GRANULES, DRYING THE GRANULES AT A TEMPERATURE OF LESS THAN 110*C. IN THE ABSENCE OF SUBSTANTIAL MOVEMENT BETWEEN THE GRANULES AND RECOVERING THE DRIED GRANULES, THE WATER CONTENT OF THE COMPOSITION WHICH IS AGITATED BEING IN THE RANGE 30-50% BY WEIGHT BASED ON THE WEIGHT OF THE COMPOSITION AND THE PROPORTION OF PEAT BEING IN THE RANGE 20-60% BY WEIGHT BASED ON THE WEIGHT OF THE FERTILIZER SALT ON A DRY BASIS.
References Cited (Backward Citations)
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US1252332A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |