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US 2008/0188398 A1Published application
Gas Odorant Comprising a Cycloalkadiene
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 cycloalkadienes of formula (I) wherein R and n have the same meaning as given in the description, to a process of odorizing gas and to fuel gas comprising it.
Claims7
A hydrocarbon gas comprising a cycloalkadiene of formula (I)
- wherein
- n is 1 or 3;
- R is hydrogen or C1-C3 alkyl;
- and
- i) if n is 1
- the bond between C-3 and C-4 and C-5 and C-6 is a single bond and the dotted line together with the bond between C-4 and C-5 represents a double bond;
- or
- the bond between C-4 and C-5 and C-5 and C-6 is a single bond and the dotted line together with the bond between C-3 and C-4 represents a double bond;
- and
- ii) if n is 3
- the bond between C-3 and C-4 and C-4 and C-5 is a single bond and the dotted line together with the bond between C-5 and C-6 represents a double bond;
- or
- the bond between C-3 and C-4 and C-5 and C-6 is a single bond and the dotted line together with the bond between C-4 and C-5 represents a double bond;
- or
- the bond between C-4 and C-5 and C-5 and C-6 is a single bond and the dotted line together with the bond between C-3 and C-4 represents a double bond;
- or a mixture thereof.
13 more elements
Dependencies are inferred from the claim text.