Naarden International N.v.

Willem Apeldoorn

Antonius J Van Der Weerdt

Roeland Plomp

Perfume compositions, perfumed materials and perfumed articles containing derivatives of spiro [5.5] undecane-3-one and/or undecene-3-one having the following formula ##STR1## wherein R.sub.1 and R.sub.2 are hydrogen or methyl and the dotted line is a single or double bond with the proviso that when this dotted line is a double bond R.sub.1 and R.sub.2 are both hydrogen. The use of one or more derivatives of spiro [5.5] undecane-3-one and/or -undecene-3-one having formula 1 as a perfume component in perfume compositions and in imparting fragrance to materials and articles for example soaps, cleaning preparations and cosmetic preparations.

Perfume compositions and perfumed articles containing spiro-undecanones

Perfume compositions, perfumed materials and articles containing one or more phenyl-tetrahydrofurans. Use of one or more phenyl-tetrahydrofurans having formula 1 or 2 of the formula sheet in which R.sub.1, R.sub.2 and R.sub.3 each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms and R.sub.4 represents a hydrogen atom, a methyl- or ethyl group as a perfume component in perfume compositions and in imparting perfume notes to materials and articles for example soaps, cleaning agents and cosmetic preparations.

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Blaricum, Netherlands

Willem Apeldoorn