Patent ID: 8501271
Filing Date: 2013-08-06
Classification: C09K,Y10T

Abstract:
1. A process of making an ice melter that is by weight from 10% to 50% urea, comprising: placing granulated urea in a rolling blender; coating the urea with from about 1% to about 2% by weight of a potassium acetate solution having a concentration in water of from 40% to 60% for a time sufficient to substantially coat the urea with potassium acetate solution; adding from about 1% to about 5% by weight of the total mixture of non-fully hydrated calcium chloride pellets to the roll blender which contains the coated urea; and continuing roll blending for a time sufficient to simultaneously powder the calcium chloride pellets and coat the outside of the previously potassium acetate solution coated urea with calcium chloride powder.