Laundry Detergent Patent
Awarded to Cognis
l Patent No. US 6,620,209 B2: Research-ers for Cognis Deutschland GmbH & Co. KG, Düsseldorf, Germany, patented a process for cleaning and softening textiles using a cleaning solution containing water and a detergent composition. The detergent composition comprises a surfactant, a cationic polymer, a zeolite and a phyllosilicate.