Granular coated fertilizer

Details Granular coated fertilizer Granular coated fertilizer

2006-03-28

2006-03-28

Sayala, C. (Department: 1761)

Chemistry: fertilizers

Processes and products

Forms or conditioning

C071S027000, C071S028000

Reexamination Certificate

active

07018440

ABSTRACT:
The present invention provides a granular fertilizer which is coated with a water-insoluble material layer (first water-insoluble material layer), a thermosetting resin layer (first thermosetting resin layer), a water-insoluble material layer (second water-insoluble material layer) and a thermosetting resin layer (second thermosetting resin layer) from inner to outer layers, and it can release fertilizer ingredients for a long time, by a smaller amount of coating materials than known coated fertilizers.

REFERENCES:
patent: 3264089 (1966-08-01), Hansen
patent: 3475154 (1969-10-01), Kato
patent: 5538531 (1996-07-01), Hudson et al.
patent: 5652196 (1997-07-01), Luthra et al.
patent: 5851261 (1998-12-01), Markusch et al.
patent: 6663686 (2003-12-01), Geiger et al.
patent: 199930152 (1999-12-01), None
patent: 54-39298 (1979-11-01), None
patent: 2001-163691 (2001-06-01), None
patent: 2001163691 (2001-06-01), None

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