SCENTED AIR FRESHENING DEVICE AND METHOD FOR MAKING THE SAME

摘要

A SCENTED AIR FRESHENING DEVICE AND METHOD FOR MAKING THE SAME A method of producing an air freshnening device having the steps of dissolving a fragrant material in a volatile solvent, mixing the solvent and dissolved fragrant material with a polymeric material to form a mixture, applying the mixture to a portion of the device through which air may pass, and allowing the solvent to evaporate to leave a fragrant residue on the portion of the air filter.