Patent classifications
C
CHEMISTRY; METALLURGY
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C10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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C10M
LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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105/00
Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
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C10M105/42
Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
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C10M105/44
derived from the combination of monocarboxylic acids, dicarboxylic acids and dihydroxy compounds only and having no free hydroxy or carboxyl groups
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C10M105/44

REFRIGERATION LUBRICANT AND WORKING FLUID INCLUDING THE SAME
20260117138 · 2026-04-30 ·

A refrigeration lubricant includes a dipentaerythritol ester which is formed by subjecting a dipentaerythritol and a fatty acid composition to an esterification reaction. The fatty acid composition includes a fatty acid mixture and a C.sub.9 branched chain fatty acid. The fatty acid mixture includes at least two straight chain fatty acids selected from the group consisting of a C.sub.7 straight chain fatty acid, a C.sub.8 straight chain fatty acid, a C.sub.9 straight chain fatty acid, and a C.sub.10 straight chain fatty acid. A working fluid including a refrigerant and the refrigeration lubricant is also provided.