Controlled release fertilizers made from cross-linked glyceride mixtures
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United States of America Patent
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Jul 29, 2014
Grant Date -
May 10, 2012
app pub date -
Nov 8, 2011
filing date -
Nov 10, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A controlled release fertilizer material comprising a particulate plant nutrient surrounded by a coating which is the reaction product of a mixture including a cross-linked polyol, an isocyanate and a wax is described. The cross-linked polyol is a reaction product of a polyhydroxyl compound, such as glycerol, and a triglyceride and the monoglyceride and/or diglyceride products are cross-linked with sulfur, oxygen and/or a peroxide cross-linking moiety, or are directly cross-linked at unsaturated sites in the monoglycerides and/or diglycerides.
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International Classification(s)
- C01C:AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C05G:MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DI....
- A01N:PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLA....
- C05D:INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C....
- C08G:MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN B....
- C05C:NITROGENOUS FERTILISERS
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
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