C - Chemistry – Metallurgy – 05 – G
Patent
C - Chemistry, Metallurgy
05
G
C05G 3/00 (2006.01) C05G 5/00 (2006.01)
Patent
CA 2493218
A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a protective coating comprising at least one substantially homogeneous layer of a urethane-containing compound and a filler(s). An organic additive(s) may or may not be present.
L'invention concerne un matériau de fertilisation, à libération contrôlée, constitué d'un nutriment de végétal en particules entourées d'une couche protectrice comprenant au moins une couche sensiblement homogène d'un composé à base d'uréthanne et une ou de plusieurs charges. Il est possible d'ajouter ou de ne pas ajouter un ou plusieurs additifs organiques.
Babiak Nicolette M.
Carstens Leslie L.
Eastham David J.
Stelmack Eugene G.
Wynnyk Nick P.
Agrium Inc.
Gowling Lafleur Henderson Llp
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