Patent ID: 7097847
Filing Date: 2006-08-29
Classification: A61K,A61Q

Abstract:
1. An anhydrous method of making a skin softening ointment, comprising the steps of: (a) heating and mixing a humectant and a non-aqueous thickener under vacuum in a first vessel; (b) introducing urea under vacuum into the mixture of step (a); (c) heating and mixing the contents of step (b) under vacuum, at a temperature sufficient to dissolve the urea; (d) heating and mixing a non-aqueous base and at least one emulsifier in a second vessel, whereby the non-aqueous base liquefies; (e) drawing by vacuum the mixture from step (d) into the mixture in the first vessel; (f) mixing, heating and homogenizing and the contents of step (e) under vacuum; (g) cooling, mixing and homogenizing the mixture of step(f) to a congealing temperature under vacuum; (h) cooling the mixture of step (g); (i) drawing by vacuum salicylic acid into the mixture of step (h); (j) recirculating the mixture of step (i) under vacuum; and, (k) cooling the mixture of step (j) under vacuum.