11.14.05
Patent No. US 6,576,599 B1: A West Chester, OH-based researcher for P&G earned a patent for a non-particulate laundry and/or automatic dishwashing detergent product consisting of a core formed by compressing a particulate material (a detersive surfactant and a builder). This core has a tubular configuration, a polygonal cross-section and chamfered edges that are substantially covered by a coating.