COMPOSITION AND METHOD OF PRODUCING AIR FRAGRANCE Russian patent published in 2016 - IPC A61L9/12 

FIELD: chemistry.

SUBSTANCE: air fragrance contains an odorant, polyvinyl alcohol, carboxymethyl cellulose, oxyethylated alkyl phenol, glycerine and glyoxal, with the following ratio of components, wt %: polyvinyl alcohol - 5.0-7.0; carboxymethyl cellulose - 0.5-1.0; oxyethylated alkyl phenol AF_9-12 - 0.05-0.1; odorant - 5.0-10.0; glycerine - 10.0-45.0; glyoxal - 2.0-12.0; water - the balance. The group of inventions also relates to a method of producing the air fragrance, which includes the preparation of an aqueous solution of polyvinyl alcohol with the addition of an odorant and the said additives and then freezing at a temperature of -20°C for 20 hours and thawing at room temperature of +25°C for 4 hours.

EFFECT: group of inventions prolongs the storage life of the fragrance base in different temperature conditions and retention time of the odour of the fragrance to more than 1 year.

2 cl, 1 dwg, 1 tbl, 5 ex