11.14.05
Patent No. US 6,533,873 B1: Unilever HPC USA earned a patent for a clear skin or hair cleanser containing at least one of each of the following: anionic surfactant, amphoteric surfactant, acrylate copolymer, cationic polymer and insoluble component (beads, particulates, water-insoluble liquids and gas bubbles), as well as water. l