Patent ID: 9149662
Filing Date: 2015-10-06
Classification: A61K,A61Q

Abstract:
1. A method for making an emulsified antiperspirant product comprising a continuous phase that includes a water-immiscible liquid and a disperse aqueous phase comprising an antiperspirant active, the method comprising the steps of: (a) providing a water-immiscible liquid; (b) providing volatile aqueous solution comprising an antiperspirant active; (c) combining the water-immiscible liquid and the aqueous solution to form an emulsion comprising a continuous phase including the water-immiscible liquid and a disperse phase including the aqueous solution; (d) heating the emulsion to a temperature between about 60° C. and about 110° C. for only about 15 minutes to less than about 2 hours to reduce the loss of the volatile aqueous solution; (e) heating a structurant separate from the emulsion, to a temperature so that it is at least partially dissolved; (f) combining the heated emulsion of step (d) and the at least partially dissolved structurant of step (e) to form an emulsified antiperspirant composition having a batch weight of about 20 kg or higher; and (g) transferring a portion of the emulsified antiperspirant composition into a dispensing container.