Composition of a magnesium sulfate/urea compound

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United States of America Patent

PATENT NO 9663410
APP PUB NO 20140360239A1
SERIAL NO

14369961

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Abstract

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The subject of the invention is a composition containing at least 80 wt. %, with reference to the total weight of the composition, of a magnesium-sulfate-urea compound of Formula (I):

description='In-line Formulae' end='lead'[MgSO4.m CO(NH2)2.n H2O]  (I),description='In-line Formulae' end='tail'

in which m is in the range from 0.9 to 1.1 and n is in the range from 2.1 to 3.1, where the composition, with reference to the total weight of the composition, contains less than 10 wt. % free MgSO4 in the form of the anhydrate or in the form of urea-free hydrates of the magnesium sulfate, such as magnesium sulfate or magnesium-sulfate hexahydrate and/or less than 10 wt. % uncombined urea. In particular, m in Formula (I) indicates the value 1. In particular, n in Formula (I) indicates the value 3.

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Patent Owner(s)

Patent OwnerAddress
K+S MINERALS AND AGRICULTURE GMBHBERTHA-VON-SUTTNER-STR 7 KASSEL 34131

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kleine-Kleffmann, Ulrich Bad Hersfeld, DE 8 66
Walczyk, Wolfgang Heringen, DE 7 52

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