The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 2018
Filed:
Dec. 20, 2013
K+s Aktiengesellschaft, Kassel, DE;
Armin Dietrich, Weissenbom, DE;
Guido Baucke, Schenklengsfeld, DE;
Stefan Thenert, Heringen, DE;
Ulrich Kleine-Kleffmann, Bad Hersfeld, DE;
Wolfgang Walczyk, Heringen, DE;
Stefan Dressel, Kassel, DE;
Ludger Waldmann, Telgte, DE;
K+S AKTIENGESELLSCHAFT, Kassel, DE;
Abstract
The present invention relates to compositions containing at least 80% by weight, especially at least 90% by weight, based on the total weight of the composition, of at least one magnesium sulfate-urea compound selected from the compound of the formula (I) and mixtures of the compound of the formula (I) with the compound of the formula (II): [MgSO.mCO(NH).nHO] (I), [MgSO.xCO(NH).yHO] (II), in which m and x are each in the range from 0.9 to 1.1, n is in the range from 1.9 to 2.1 and y is in the range from 2.9 to 3.1, where the compositions, based on the total weight of the composition, contain less than 10% by weight of free MgSOin the form of the anhydrate or in the form of hydrates of magnesium sulfate and less than 10% by weight of unbound urea. The invention also relates to the production of the compositions and to the use thereof as fertilizers or fertilizer additive.