Back to results
US 12,522,780 B2Granted
Odorants and compositions comprising odorants
AssigneeS H Kelkar and Company Limited
InventorsAvdhoot D. Velankar, Kedar Ramesh Vaze, Popat D. Shinde, Aftab Sayyed
Life of this patent
Estimating the term…
Abstract
The present invention relates to new classes of odorous 3-(2-methylenealkoxy)alkanenitrile derivatives of formula (I) which are useful as fragrance or flavor materials in particular in providing dry, woody, dusty, earthy, and/or patchouli notes together with optional coriander, aldehydic, citrus, mandarin, pear, cinnamon, and/or petal floral-like notes to perfume, aroma or deodorizing/masking compositions.
Claims15
A compound of formula (I)
- wherein R1 is a hydrogen atom or a methyl group;
- R2 is a hydrogen atom or is an alkyl group having up to 9 carbon atoms or an alkenyl group containing up to 9 carbon atoms;
- R3 is either an alkyl group having up to 9 carbon atoms or an alkenyl group containing up to 9 carbon atoms;
- R4 is a hydrogen atom or a methyl group or an alkyl group having up to 9 carbon atoms or an alkenyl group containing up to 9 carbon atoms;
- with the proviso that that compounds of formula (I) cannot be the following compounds of formula (I)
- wherein R3 is a methyl group, R2 is hydrogen, R4 is hydrogen, and R1 is hydrogen or a methyl group, and
- wherein R3 is a methyl group, R2 is hydrogen, R4 is a methyl group, and R1 is hydrogen.
4 more elements
Dependencies are inferred from the claim text.