Patent ID: 7833339
Filing Date: 2010-11-16
Classification: C04B,E04D,Y10T

Abstract:
1. A composition comprised of asphalt and filler, wherein said filler is comprised of particles that comprise an inorganic core and a coating disposed on said core, wherein at least about 60 weight percent of said particles are smaller than about 212 microns, and wherein: (a) at least 95 weight percent of said filler is comprised of particles of calcium carbonate; (b) said composition, at a temperature of from about 425 to about 475 degrees Fahrenheit, has a viscosity of from about 2000 to about 4500 centipoise; (c) said asphalt has a flash point of less than 540 degrees Fahrenheit; (d) said coating is comprised of an amine anti-strip agent; (e) said particles of calcium carbonate are comprised of particles of calcium carbonate that are smaller than 100 microns; (f) said particles of calcium carbonate are comprised of particles of calcium carbonate that are larger than 150 microns; (g) at least 80 weight percent of said particles of calcium carbonate that are smaller than 100 microns are coated with said coating comprised of said amine anti-strip agent; and (h) less than 10 weight percent of said particles of calcium carbonate that are larger than 150 microns are coated with said coating comprised of said amine anti-strip agent.