A built synthetic organic detergent composition, in particulate or patty form, results from extruding such a composition, containing water in sufficient quantity to form at least some hydrate from hydratable builder salt, and with enough free water present to plasticize the composition without resulting...http://www.google.com.au/patents/US4933100?utm_source=gb-gplus-sharePatent US4933100 - Built synthetic organic detergent composition patties and processes for washing laundry therewith
