US Patent 11185067 Attractants for rats

Rat attractant compositions attractive to the rat species Rattus norvegicus are disclosed, which compositions are constituted of compounds found in the headspace volatiles of male urine odor or female urine odor. Said compositions are respectively termed male pheromone blend (MPB) and comprises 2-heptanone, 4-heptanone, 3-ethyl-2-heptanone, 2-octanone, 2-nonanone, and 4-nonanone in a ratio of 10:100:10:1:1:10 respectively, or female pheromone blend (FPB) and comprises 2-methyl-butyric acid, 3-methyl-butyric acid, heptanal, hexanoic acid, 2-phenylacetaldehyde, nonanal, and decanal in a ratio of 20:20:10:30:5:20:10. Devices including the rat attractant compositions, and methods of using said rat attractant compositions, are also disclosed.