01.24.13
US Patent No. 8,299,012 B2; Reckitt Benckiser LLC has patented an improved hard surface treatment composition comprised of a detersive anionic surfactant, a detersive nonionic surfactant, an alkylene glycol ether solvent, a phenyl containing glycol ether solvent, an organic acid, water, film-forming polymer based on a quaternized copolymer of vinylpyrrolidone and dimethylaminoethyl methacrylate, and, optionally, another constituent that may improve aesthetic or functional features of the compositions.