US 12,187,063 B2
Sheet materials and articles comprising TiO2 and laser marking
Matthew Aaron Neumann, Montgomery, OH (US); Joseph Craig Lester, Liberty Township, OH (US); Marc Andrew Mamak, Mason, OH (US); Philip Andrew Sawin, Wyoming, OH (US); Erika Arlene Womack, Cincinnati, OH (US); Ariel Lebron, Cincinnati, OH (US); and Joseph Henry Nurre, West Chester, OH (US)
Assigned to The Procter & Gamble Company, Cincinnati, OH (US)
Filed by The Procter & Gamble Company, Cincinnati, OH (US)
Filed on Mar. 30, 2023, as Appl. No. 18/128,341.
Prior Publication US 2024/0326502 A1, Oct. 3, 2024
Int. Cl. B41M 5/50 (2006.01); B41M 5/24 (2006.01)
CPC B41M 5/50 (2013.01) [B41M 5/24 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A sheet of material that is marked with a pulsed laser, the sheet of material comprising an outer edge and an inner edge separated by a core, the distance from the outer edge to the inner edge being the sheet thickness, wherein the sheet of material has a total concentration of TiO2 of less than about 1.00%, and there is an exterior layer beginning at the outer edge and extending into the core, the thickness of the exterior layer is from about 10.00% to about 40.00% of the sheet thickness, and wherein the exterior layer has an average concentration of from about 2.50% to about 10.00% TiO2.