Patent ID: 8652219

Claim:
A process for providing a dye material consisting of a mixture of azo and phthalocyanine dyes suitable for making colored and sealed concrete surfaces, said process consisting essentially of the following steps: (a) packaging said mixture of azo and phthalocyanine dyes as a non-hazardous powdered solute in a fluid-resistant container; (b) transporting said powdered solute to a work site; (c) on-site adding a portion of said powdered solute to a carrier containing an amount of at least one solvent including acetone; (d) mixing said portion of said powdered solute with said amount of at least one solvent to create a dye composition; (e) adding butyl cellosolve as a drying agent to said dye composition; and (f) applying said dye composition upon a concrete surface with an aerosol sprayer; whereby said process allows said dye material to be easily transported without hazardous elements prior to mixture with said at least one solvent and wherein said butyl cellosolve from step (e) is used for making colored sealed concrete.