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US 7,682,410 B2Granted
Gas odorant
AssigneeGivaudan SA
InventorsUrs Mueller, John Norman Short
Life of this patent
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Abstract
The present invention refers to the use as gas odorant of alkoxy alkynes of formula (I) wherein R1 is methoxy or ethoxy; and R2 is hydrogen or methyl, to a process of odorizing gas and to fuel gas comprising it.
Claims7
A fuel gas odorant comprising
- a) an alkoxy alkyne of formula (I)
- wherein
- R1 is methoxy or ethoxy;
- and
- R2 is hydrogen or methyl;
- and
- b) at least one sulfur or pyrazine compound.
4 more elements
A fuel gas comprising a gas odorant of formula (I)
- wherein
- R1 is methoxy or ethoxy;
- and R2 is hydrogen or methyl.
A method of odorizing fuel gas comprising the incorporation as odorant of an effective amount of at least one alkoxy alkyne of formula (I)
- wherein R1 is methoxy or ethoxy;
- and R2 s hydrogen or methyl;
- to the fuel gas.
Dependencies are inferred from the claim text.