Patent ID: 7297712

Claim:
A bioactive cationic amphiphile as represented by a general formula (I); wherein: R 1 , R 2 , R 3 and R 4 are independently represented as described below: n=1 R 1 =R 2 =CH 3 —(CH 2 ) 10 CH 2 —, CH 3 —(CH 2 ) 12 CH 2 —, C 3 —(CH 2 ) 14 CH 2 —, CH 3 —, (CH 2 ) 16 CH 2 — or CH 3 —(CH 2 ) 7 —CH═CH(CH 2 ) 7 CH 2 —; R 3 =R 4 =hydroxyl group; X − =an inorganic or organic anion.