Perfume compositions containing dialkyl delta-lactones
AssigneePolak's Frutal Works B.V.
InventorsKees N. Nieuwland, Dirk K. Kettenes
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Abstract
Certain dialkyl delta-lactones are disclosed to be useful as perfumery ingredients.
Claims7
A fragrance composition comprising, in combination with other olfactorily active materials, an odor-modifying amount of a substituted.delta.-valerolactone having the structural formula ##STR5## where R and R.sub.1 are the same or different alkyl or alkenyl groups.
A fragrance composition comprising, in combination with other olfactorily active ingredients, an odor-modifying amount of a substituted.delta.-valerolactone having the structural formula ##STR6## where R and R.sub.1 are the same or different alkyl or alkenyl group having 1 to 8 carbon atoms.
A fragrance composition comprising, in combination with other olfactorily active materials, an odor-modifying amount of a substituted.delta.-valerolactone having the structural formula ##STR7## wherein R and R.sub.1 are the same or different alkyl or alkenyl groups having 1 to 8 carbon atoms and having a total of 3 to 10 carbon atoms between them.
A perfume comprising a substituted .delta.-valerolactone having the structural formula ##STR8## wherein R and R.sub.1 are the same or different alkyl or alkenyl groups having 1 to 8 carbon atoms and having a total of 3 to 10 carbon atoms between them, said .delta.-valerolactone being incorporated into a suitable carrier.
A fragrance composition comprising, in combination with other olfactorily active ingredients, an odor-modifying amount of .gamma.-ethyl-.gamma.-1-butenyl-.delta.-valerolactone.
Dependencies are inferred from the claim text.