Patent No. US 6,805,820 B1: Patent No. US CI 264-75: A Dial Corp., Scottsdale, AZ researcher patented a method of introducing additives in solid form into a snap mass for the manufacture of soap bars. It comprises introducing a batch of soap pellets having a color into a soap plodder to be worked and compacted; separately introducing additives in solid form; mixing with the pellets and extruding the mass from the plodder, forming a soap bar.
Multicolored Soap Bars Patented by Dial Corp.
Published November 22, 2005
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