Compositions – Vaporization – or expansion – refrigeration or heat or energy... – With lubricants – or warning – stabilizing or anti-corrosion...
Reexamination Certificate
2006-08-21
2009-12-08
Pyon, Harold (Department: 1796)
Compositions
Vaporization, or expansion, refrigeration or heat or energy...
With lubricants, or warning, stabilizing or anti-corrosion...
C508S110000, C508S579000, C508S583000
Reexamination Certificate
active
07628933
ABSTRACT:
A lubricant includes a hydrocarbon end group of the formula alkyl-phenol-alkylene oxide-Y wherein Y is the hydrocarbon end group; and wherein the polyalkylene glycol has the formula Z((CH2CH(R1)O)n(CH2CH(R1)O)m)pH wherein Z is a residue of an aryl compound having 1-8 active hydrogens and at least 10 carbons when Z is an aryl group; R1is hydrogen, methyl, ethyl, or a mixture thereof; n is 0 or a positive number; m is a positive number; and p is an integer having a value equal to the number of active hydrogens, the compound of which Z is a residue, Y replacing the H. A fluid composition for use in refrigeration systems including the lubricant and a refrigerant. A method of lubricating compression refrigeration equipment The lubricant used as a seal swell additive, an additive for compressor and machinery applications, a mineral oil pour point improver, a machinery cleanser, and a carbon dioxide additive.
REFERENCES:
patent: 5595678 (1997-01-01), Short et al.
patent: 7435273 (2008-10-01), Lange et al.
BVA Inc.
Kohn & Associates PLLC
Peets Monique
Pyon Harold
Short Glenn D.
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