A data processing system is used to manage and track use of chemical product in a washing machine. A detergent dispenser distributes the chemical products (e.g., detergent, rinse agent, and bleach) to the washing machine. The dispenser includes a monitor that detects dispenser data based on distribution...http://www.google.se/patents/US6895307?utm_source=gb-gplus-sharePatent US6895307 - Data processing system for managing chemical product usage
