C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 31/00 (2006.01) C05C 9/00 (2006.01) C05G 3/00 (2006.01) C08L 29/00 (2006.01) C08L 29/02 (2006.01) C09D 5/00 (2006.01) C09D 129/02 (2006.01) C09D 131/00 (2006.01) C09F 9/00 (2006.01)
Patent
CA 2749161
Improved agriculturally useful products are provided, including solid materials such as nitrogenous fertilizers (e.g., urea), together with a polycarboxylated polymer selected from the group consisting of a salts of copolymers containing individual quantities of maleic and itaconic moieties. The polymer composition also includes from about 10-60% by weight of an organic drying agent such as a lower alcohol which enhances the quick drying properties thereof. The compositions may also include an amount of boron, and bimodal vinylic polymer made up of quantities of high and low molecular weight (MW) vinylic polymers such as PVA.
L'invention concerne des produits améliorés utiles en agriculture, comme des matières solides telles que des engrais azotés (par exemple, l'urée), avec un polymère polycarboxylé choisi dans le groupe constitué par les sels de copolymères contenant des quantités individuelles de fragments maléiques et itaconiques. La composition de polymère contient également environ 10 % à 60 % en poids d'un agent organique de séchage, comme un alcool inférieur, qui renforce ses propriétés de séchage rapide. Les compositions peuvent également contenir une quantité de bore et un polymère vinylique bimodal composé de quantités de polymères vinyliques de poids moléculaire (PM) élevé et bas, comme le PVA.
Mazo Grigory
Mazo Jacob
Sanders John Larry
Gowling Lafleur Henderson Llp
Specialty Fertilizer Products Llc
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