US Patent 7798363 Method and apparatus for tinting caulk

A caulk product is provided. The product comprises an amount of caulk that is formulated so as to be white in color prior to curing and clear after curing. A cylindrical cartridge contains the amount of caulk, wherein the cartridges comprises a dispensing tip, a substantially cylindrical body, a removable and replaceable endcap, and a breakable seal located between the tip and the body. A transparent area is disposed within a wall of the cartridge so as to allow the color of the caulk to be viewed, wherein the area defined by the cartridge body is adapted to accommodate the insertion of colorant and a mixing tool without overflow. A related method for coloring caulk is also provided.