METHOD OF PREPARING ANTISEPTIC POLYHEXAMETHYLENE GUANIDINE PHOSPHATE Russian patent published in 1999 - IPC

FIELD: chemical technology, more particularly medicine, veterinary science, and agriculture. SUBSTANCE: method comprises exchange decomposition of polyhexamethylene guanidine salt with phosphorus containing component on heating, subsequently washing and drying the desired product. Polyhexamethylene guanidine salt is 50% aqueous solution of polyhexamethylene guanidine chloride, and phosphorus- containing component is 40% aqueous solution of disubstituted ammonium phosphate, ratio of solution of polyhexamethylene guanidine to solution of disubstituted ammonium phosphate being in the range of (2-2.5):1. EFFECT: improved properties of antiseptic properties of the final product and simplified process technology. 2 ex, 2 tbl