Coated granular fertilizer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Aug 6, 1993
filing date -
Aug 13, 1992
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A coated granular fertilizer which makes it possible to independently design the period since its application till 10% dissolution-out and the period since 10% dissolution-out till completion of its dissolution-out is provided, which fertilizer is prepared by coating a granular fertilizer with a coating having a sugar polymer or its derivative dispersed therein, and has a time limit dissolution-out function, the former period till 10% dissolution-out and the latter dissolution-out duration being respectively capable of being controlled to within a range of 26 to 315 days and a range of 29 to 371 days.
First Claim
Other Claims data not available
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | A | JPH0687684 | Aug 13, 1992 |
| KR | B1 | KR100270945 | Aug 03, 1993 |
| CA | A1 | CA2103640 | Aug 09, 1993 |
| NZ | A | NZ248351 | Aug 09, 1993 |
| AU | B2 | AU662436 | Aug 11, 1993 |
| EP | B1 | EP0583160 | Aug 11, 1993 |
| CN | A | CN1085883 | Aug 13, 1993 |
International Classification(s)
- 1993 Application Filing Year
- C05G Class
- 19 Applications Filed
- 8 Patents Issued To-Date
- 42.11 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 8 Citation Count
- C05G Class
- 0 % this patent is cited more than
- 24 Age