Kao Corporation

Sakuya Tanaka

Katsutoshi Ara

Kazuyuki Fukuda

Shigeyoshi Tanaka

Takahiro Asada

Hirohiko Ishida

Shunichi Akiba

Sachiko Nihei

Yasutomo Arai

Provided is a perfuming method including applying a water-based product to a fabric or a human body and drying, the water-based product containing a perfume precursor composed of an ester of at least one perfume selected from maltol, ethyl maltol, vanillin, ethyl vanillin, and raspberry ketone and at least one aliphatic monocarboxylic acid or aliphatic dicarboxylic acid selected from lauric acid, myristic acid, palimitic acid, stearic acid, oleic acid, adipic acid, and sebacic acid; and subsequently bringing the perfume precursor into contact with moisture in the air to perform hydrolysis, thereby releasing a perfume.

Perfuming method

A valerolactone compound represented by the formula (I): wherein each of Rand Ris independently a hydrogen atom, a methyl group or an ethyl group wherein when Ris a hydrogen atom, Ris not a hydrogen atom; and wherein when Ris a hydrogen atom, Ris not a hydrogen atom, Ris a hydrogen atom or a methyl group, and Ris a propyl group, a 1-propenyl group or a phenyl group; a valerolactone compound represented by the formula (II): a process for preparing the same; and a perfume composition comprising the above-mentioned valerolactone compound.

Valerolactone compounds and perfume composition

Citral acetal

Growing community of inventors

Wakayama, Japan

Sakuya Tanaka