Jacobus Gerardus Korver;Erik Alexander Bijpost;Luc Vanmarcke;Ruud van Belzen
发明人:
Erik Alexander Bijpost,Luc Vanmarcke,Jacobus Gerardus Korver,Ruud van Belzen
申请号：
US10574784
公开号：
US08343891B2
申请日:
2003.10.06
申请国别(地区):
US
年份:
2013
代理人:
摘要：
A method of improving the properties of urea granulates, more especially the caking tendency, the dust formation and the foaming tendency in aqueous media, by the addition of an additive to the urea, wherein the additive comprises a carboxylic acid compound with the general formula XY—(Z)—COOH, in which Z is a saturated or unsaturated hydrocarbon with 1-25 carbon atoms and X and Y are selected from the group consisting of a hydrogen atom or a polar organic functional group, and in that the additive is added as a solution in a polar solvent to the urea granulates, which are subsequently dried.
