C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 105/38 (2006.01) C09K 5/04 (2006.01) C10M 105/42 (2006.01) C10M 169/04 (2006.01) C10M 171/00 (2006.01)
Patent
CA 2136852
A high quality lubricant for hermetically sealed domestic air conditioner and refrigerator compressors, especially those us- ing chlorine free hydrofluorocarbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably pentaerythritol, with a mixture of carboxylic acids including at least some isopentanoic acid along with either or both of iso-nona- noic acid and dibasic acids such as adipic.
Schnur Nicholas E.
Zehler Eugene R.
Cognis Ip Management Gmbh
Henkel Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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