Detergent Bar Stamping Method from Lever Bros.
Published November 15, 2005
Patent No. US 6,676,872 B2: Maryland-based researchers for Lever Bros. Co., Englewood Cliffs, NJ, patented a process to stamp a detergent bar using an elastomeric coating with a conductive filler on a bar surface, and stamping and releasing the bar from the die to apply a surface decoration.
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