Odorizing mixture for an odorless gas fuel

Details Odorizing mixture for an odorless gas fuel Odorizing mixture for an odorless gas fuel

2005-04-05

2010-11-09

Hardee, John R (Department: 1796)

Perfume compositions

Perfume compositions

Oxygen containing active ingredient

Reexamination Certificate

active

07829522

ABSTRACT:
Composition which can be used in particular as odorant for a gaseous fuel, more particularly natural gas, comprising:from 0.1 to 49.9% of an alkyl sulphide (I) of formula:in-line-formulae description="In-line Formulae" end="lead"?R1—S—R2in-line-formulae description="In-line Formulae" end="tail"? in which R1and R2, which are identical or different, represent:an alkyl radical comprising from 1 to 4 carbon atoms; orR1and R2, taken with the sulphur atom to which they are attached, represent a saturated or unsaturated ring comprising from 3 to 5 carbon atoms which is optionally substituted by a C1-C4alkyl or C1-C4alkenyl radical;from 50 to 99.8% of an alkyl acrylate (II), the alkyl radical of which comprises from 1 to 12 carbon atoms, preferably from 1 to 8;from 0.001 to 0.1 part by weight of a compound (III) which inhibits the polymerization of the alkyl acrylate (II).

REFERENCES:
patent: 5877344 (1999-03-01), Gande et al.
patent: 7108803 (2006-09-01), Mansfeld et al.
patent: 2006/0009372 (2006-01-01), Mansfeld et al.
patent: 55137190 (1980-10-01), None

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