Patent ID: 7439403

Claim:
An odoriferous or aroma substance comprising an aldehyde, substituted in alpha position by an alkyl residue, of the formula having (I) a total of 13 C atoms, wherein R means an unbranched alkyl residue having 6, 7, 8 or 9 C atoms and R′ means an unbranched alkyl residue having 2, 3, 4 or 5 C atoms, or (II) a total of 15 C atoms, wherein R means an unbranched alkyl residue having 8, 9, 10 or 11 C atoms and R′ means an unbranched alkyl residue having 2, 3, 4 or 5 C atoms, or a blend comprising or consisting of two, three or more such aldehydes of type (I) and/or (II).