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 2136853
A high quality lubricant for compressors operated during at least part of their compression cycle at temperatures above normal human comfort temperatures, such as most automotive air conditioners, especially those using chlorine free hydrofluoro-carbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably pentaerythritol, with a mixture of carboxylic acids including at least some iso-pentanoic acid along with either or both of iso-nonanoic 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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