Controlled release fertilizers utilizing an epoxy polymer primer

Details Controlled release fertilizers utilizing an epoxy polymer primer Controlled release fertilizers utilizing an epoxy polymer primer

1994-11-21

1997-12-16

Lander, Ferris

Chemistry: fertilizers

Processes and products

Organic material-containing

71 6402, 71 6407, 71 6411, 71 6413, C05C 900, C05G 310

Patent

active

056980027

ABSTRACT:
Controlled release, particulate fertilizer products having a water soluble fertilizer central mass encased in a plurality of water insoluble, abrasion resistant coatings plus coating compositions and methods for the production of such products are disclosed. At least one essential inner coating is an epoxide reaction product of

REFERENCES:
patent: 3223518 (1965-12-01), Hansen
patent: 3264088 (1966-08-01), Hansen
patent: 3475154 (1969-10-01), Kato
patent: 5264019 (1993-11-01), Gossett, Jr. et al.

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