Spherical urea-aldehyde condensate fertilizers
AssigneeSabic Agri-Nutrients Company
InventorsRajamalleswaramma Koripelly, Satish Burla, Radha Achanath, Samik Gupta
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Abstract
Fertilizers that contain urea-aldehyde condensates. The fertilizer can be spherical and can be formed using a granulation and/or spheronization technique and optionally can be an extruded fertilizer that is spheronized.
Claims13
A fertilizer composition comprising a spherical urea-C1-C4 aldehyde condensate fertilizer granule, wherein the granule having an average diameter of 1 mm to 3.5 mm and an average crush strength of greater than 1.3 kgf/granule, wherein the urea-C1-C4 aldehyde condensate comprises methylene urea-isobutylidenediurea (MU-IBDU), or a derivative thereof.
Dependencies are inferred from the claim text.