11.14.05
Patent No. US 6,596,675 B2: L’Oréal, Paris, France, has earned a patent for a shampoo containing at least one (C8-30) alkylamido ether sulphate, at least one anionic surfactant and at least one cationic polymer having a cationic charge density greater than or equal to 1 milliequivalent per gram.