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1. CA2412532 - CONTROLLED RELEASE FERTILIZER AND METHOD FOR PRODUCTION THEREOF

Office
Canada
Application Number 2412532
Application Date
Publication Number 2412532
Publication Date 03.01.2002
Grant Number
Grant Date 22.01.2008
Publication Kind C
IPC
C05G 3/40
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C0595; MIXTURES OF ONE OR MORE FERTILISERS WITH ADDITIVES NOT HAVING A SPECIFIC FERTILISING ACTIVITY; FERTILISERS CHARACTERISED BY THEIR FORM
3Mixtures of one or more fertilisers with additives not having a specifically fertilising activity
40for affecting fertiliser dosage or release rate; for affecting solubility
C05G 5/30
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C0595; MIXTURES OF ONE OR MORE FERTILISERS WITH ADDITIVES NOT HAVING A SPECIFIC FERTILISING ACTIVITY; FERTILISERS CHARACTERISED BY THEIR FORM
5Fertilisers characterised by their form
30Layered or coated, e.g. dust-preventing coatings
C05C 9/00
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
CNITROGENOUS FERTILISERS
9Fertilisers containing urea or urea compounds
CPC
C05C 9/005
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
CNITROGENOUS FERTILISERS
9Fertilisers containing urea or urea compounds
005Post-treatment
C08G 18/36
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
18Polymeric products of isocyanates or isothiocyanates
06with compounds having active hydrogen
28characterised by the compounds used containing active hydrogen
30Low-molecular-weight compounds
36Hydroxylated esters of higher fatty acids
C05G 5/37
CCHEMISTRY; METALLURGY
05FERTILISERS; MANUFACTURE THEREOF
GMIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS
5Fertilisers characterised by their form
30Layered or coated, e.g. dust-preventing coatings
37layered or coated with a polymer
Applicants AGRIUM INC.
Priority Data 09604161 27.06.2000 US
Title
(EN) CONTROLLED RELEASE FERTILIZER AND METHOD FOR PRODUCTION THEREOF
(FR) ENGRAIS A LIBERATION COMMANDEE ET SON PROCEDE DE PRODUCTION
Abstract
(EN)


A controlled release fertilizer material comprising a particulate plant
nutrient surrounded by a coating which is the reaction product of a mixture
comprising: a polyol, an isocyanate and an organic wax.