06.02.14
US 8,703,686 B2; Conopco, Inc., Englewood Cliffs, NJ, has patented a transparent soap bar comprised of fatty matter, fluorescer and C2 to C3 alcohol.
The CIELAB b* value of the bar at 0° viewing and 75° illumination is less than 0 and the color of the bar expressed as Y+5R on Lovibond scale 0 to 3, according to the patent literature.
The CIELAB b* value of the bar at 0° viewing and 75° illumination is less than 0 and the color of the bar expressed as Y+5R on Lovibond scale 0 to 3, according to the patent literature.