Patent ID: 8673071
Filing Date: 2014-03-18
Classification: C04B

Abstract:
1. A method of making a joint compound comprising: a) selecting a dedusting agent which is a solid at room temperature but which liquefies under friction of sanding, cutting or abrading, wherein the dedusting agent is a water-soluble synthetic wax; b) obtaining a presolubilized dedusting agent with a decreased freezing temperature by heating the dedusting agent to a liquid form and either dissolving or dispersing the dedusting agent in water only; c) combining dry components, including at least one filler, to make a dry mixture; d) pumping process water into a vessel; e) introducing the presolubilized dedusting agent to the vessel; f) adding the dry mixture to the vessel; and g) blending the dry mixture, process water and presolubilized dedusting agent to make a homogeneous product, wherein at least one of steps c) through g) is performed at a temperature lower than room temperature.