Patent ID: 6962665

Claim:
A lubricant composition for use in compression refrigeration and air conditioning, comprising: (a) at least one lubricant selected from the group consisting of paraffins, napthenes, aromatics and poly-α-olefins; (b) at least one compatibilizer selected from the group consisting of: amides represented by the formulae wherein cyclo-[(CR 6 R 7 ) n CON(R 5 )—], wherein n is selected from integers from 3 to 5, R 6 and R 7 are hydrogen or contain a single saturated hydrocarbon radical among the n methylene units, and R 5 is selected from saturated hydrocarbon radicals containing from 1 to 12 carbon atoms, and where said amides have a molecular weight of from about 160 to about 250 atomic mass units and a carbon to oxygen ratio of from about 7 to about 16.