Please replace the Abstract of the application as filed with the following replacement A coolant composition containing the following substances: a) an alcohol; b) water; c1) a triazole compound; c2) an imidazole compound; d) a phosphate ion; and e) a metasilicate.

Disclosed is an antifreezing coolant composition, which does not include glycol but includes environmentally friendly materials, such as a carboxylic acid salt, an anthranilamide compound, a corrosion inhibitor and a triazole compound. The antifreezing coolant composition may form a thin film on the metal surface in cooling systems for vehicles to thereby exhibit high corrosion resistance at low and high temperatures, superior antifreezing performance at low temperatures, and superior cooling performance at high temperatures.

Disclosed is an antifreezing coolant composition, which does not include glycol but includes environmentally friendly materials, such as a carboxylic acid salt, an anthranilamide compound, a corrosion inhibitor and a triazole compound. The antifreezing coolant composition may form a thin film on the metal surface in cooling systems for vehicles to thereby exhibit high corrosion resistance at low and high temperatures, superior antifreezing performance at low temperatures, and superior cooling performance at high temperatures.

The present invention relates to the use, for the retrofilling of a transformer, of at least one dielectric fluid of general formula (1):

(A−X).sub.n−B  (1)

in which A and B, which are identical or different, represent, independently of each other, an optionally substituted aromatic ring, X represents a spacer group and n represents 0, 1, 2 or 3.

The invention also relates to a transformer containing at least one dielectric fluid of general formula (1) and an amount of PCBs of less than 20%.

The present invention relates to the use, for the retrofilling of a transformer, of at least one dielectric fluid of general formula (1):

(A−X).sub.n−B  (1)

in which A and B, which are identical or different, represent, independently of each other, an optionally substituted aromatic ring, X represents a spacer group and n represents 0, 1, 2 or 3.

The invention also relates to a transformer containing at least one dielectric fluid of general formula (1) and an amount of PCBs of less than 20%.

A hydrofluoroolefin ether represented by the general Formula (I), compositions that include such compounds, and apparatuses and methods for use that include such compositions and compounds, wherein Formula (I) is represented by: R.sub.f—O—CH.sub.2CH═CHCH.sub.2—O—R.sub.f (I) wherein each Rf group is independently a linear, branched, and/or cyclic perfluoroalkyl group having 2 to 9 carbon atoms and optionally further including 1 to 3 nitrogen and/or oxygen catenary heteroatoms.
R.sub.f—O—CH.sub.2CH═CHCH.sub.2—O—R.sub.f  (I)

A liquid heat transfer mixture comprises a mixture of a liquid perfluoropolyether and a liquid alkoxy-perfluoroalkane, wherein the volume ratio of the liquid perfluoropolyether to the liquid alkoxy-perfluoroalkane is from 20:80 to 80:20. Use of the liquid heat transfer mixture is also disclosed.

A method of producing a fluoroolefin includes contacting a compound of formula (1), R.sub.fCX.sub.1═CHCF.sub.3, with a fluorinated ethylene compound of formula (2), CX.sub.2X.sub.3═CX.sub.4X.sub.5 in the presence of a catalyst. In the compound of formula (1), R.sub.f is a linear or branched C.sub.1-C.sub.10 perfluorinated alkyl group and Xi is H, Br, Cl, or F. In the compound of formula (2), X.sub.2, X.sub.3, X.sub.4, and X.sub.5 are each independently H, Br, Cl, or F and at least three of X.sub.2, X.sub.3, X.sub.4, and X.sub.5 are F. The resulting composition comprises a compound of formula (3), R.sub.f(CF.sub.2).sub.nCX.sub.6═CH(CF.sub.2).sub.mCX.sub.7X.sub.8CFX.sub.9X.sub.10. In the compound of formula (3), X.sub.6, X.sub.7, X.sub.8, X.sub.9, and X.sub.10 are each independently H, Br, Cl, or F, and the total number of each of H, Br, Cl, and F corresponds to the total number of each of H, Br, Cl, and F provided by the compounds of formulae (1) and (2).

A method of producing a fluoroolefin includes contacting a compound of formula (1), R.sub.fCX.sub.1═CHCF.sub.3, with a fluorinated ethylene compound of formula (2), CX.sub.2X.sub.3═CX.sub.4X.sub.5 in the presence of a catalyst. In the compound of formula (1), R.sub.f is a linear or branched C.sub.1-C.sub.10 perfluorinated alkyl group and Xi is H, Br, Cl, or F. In the compound of formula (2), X.sub.2, X.sub.3, X.sub.4, and X.sub.5 are each independently H, Br, Cl, or F and at least three of X.sub.2, X.sub.3, X.sub.4, and X.sub.5 are F. The resulting composition comprises a compound of formula (3), R.sub.f(CF.sub.2).sub.nCX.sub.6═CH(CF.sub.2).sub.mCX.sub.7X.sub.8CFX.sub.9X.sub.10. In the compound of formula (3), X.sub.6, X.sub.7, X.sub.8, X.sub.9, and X.sub.10 are each independently H, Br, Cl, or F, and the total number of each of H, Br, Cl, and F corresponds to the total number of each of H, Br, Cl, and F provided by the compounds of formulae (1) and (2).

This disclosure provides a nonaqueous coolant composition excellent in insulation property, heat transfer characteristic, and hydrolysis resistance. The embodiment is a coolant composition that includes at least one ketone compound having 6 or more carbon atoms as a nonaqueous base and is substantially free of water.