Patent ID: 8474732

Claim:
An air freshener device for perfuming or freshening the surroundings thereof, which comprises: A) a vessel carrying a liquid composition which contains: 1) 0.5 to 40% w/w of a perfume; 2) an oil-solubilizing system containing one or more surfactants of the non-ionic, anionic, cationic or amphoteric type, or a mixture thereof; and 3) at least 40% weight of water; with the weight percentages being relative to the total weight of liquid composition; B) an emanating surface capable of providing for diffusion of said liquid composition; C) a wick for carrying the liquid composition from the container vessel to the emanating surface; and D) optionally, removable means for preventing diffusion of the liquid composition prior to the activation of the air freshener device by a user thereof; wherein said liquid composition further comprises a solubilizing-aid ingredient of pyrrolidone carboxylic acid sodium salt or a mixture of pyrrolidone carboxylic acid sodium salt with one or more salts selected from the group consisting of sodium benzoate, sodium L-lactate, calcium L-ascorbate, sodium bicarbonate, and di-sodium succinate.