C - Chemistry – Metallurgy – 05 – C
Patent
C - Chemistry, Metallurgy
05
C
71/23, 71/4
C05C 9/02 (2006.01)
Patent
CA 1188123
ABSTRACT OF THE DISCLOSURE A controlled release particulate fertllizer composition prepared by the reaction of area and formaldehyde comprising polymeric nitrogen in the form of methylene area polymers of varying chain length. The majority of the polymeric nitrogen consists of short chain polymers selected from the group consisting of methylene diurea, dimethylene triurea and mixtures thereof and the average degree of polymerization of area and formaldehyde is qreater than 1.5. The fertilizer compositions combine safety and high levels of plant nutrient efficiency.
408379
Itt Industries Inc.
Smart & Biggar
LandOfFree
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