Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Patent
1995-09-29
1999-05-25
Diamond, Alan
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
With lubricants, or warning, stabilizing or anti-corrosion...
508485, 508592, 508596, 62 84, 62 56, 62115, C09K 504
Patent
active
059067691
ABSTRACT:
A high quality lubricant for heavy duty service air conditioner and refrigerator compressors, especially those using chlorine free hydrofluorocarbon refrigerant working fluids, is provided by mixed esters of hindered polyols, most desirably di-pentaerythritol, usually mixed with some pentaerythritol, with a mixture of carboxylic acids including at least some of each of iso-pentanoic acid and iso-nonanoic acid.
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Schnur Nicholas E.
Zehler Eugene R.
Child, Jr. John S.
Diamond Alan
Henkel Corporation
Jaeschke Wayne C.
Wisdom, Jr. Norvell E.
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