Patent ID: 7094744

Claim:
A method of producing a sheet laundry detergent which comprises continuously or discontinuously applying a doughy detergent composition on a flexible support of continuous length that is running continuously in a direction under a shear rate condition of 10 s −1 to 1,000 s −1 by an application means that is an extrusion die coater, to form a thin layer of said doughy detergent composition, wherein said flexible support is soluble or dispersible in water, wherein the doughy detergent composition has a viscosity of 16,450 to 35,000 mPa·s at a shear rate of 10 s −1 and a viscosity of 1,205 to 2,312 mPa·s at a shear rate of 1,000 s −1 .