Refrigerant compositions

Details Refrigerant compositions Refrigerant compositions

1992-01-10

1993-08-31

Lieberman, Paul

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

With lubricants, or warning, stabilizing or anti-corrosion...

252 56R, 252565, C10M 500

Patent

active

052406296

ABSTRACT:
This invention relates to a refrigerant composition comprising a major amount of refrigerant and a minor amount of at least one ester of an alkane polycarboxylic acid said polycarboxylic acid having more than two carboxyl groups.

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patent: 4944890 (1990-07-01), Deeb et al.
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patent: 4992188 (1991-02-01), Jolley
patent: 5053155 (1991-10-01), Mahier
Skarzewski, Jacek, "The Michael Reaction of Methanetricarboxylic Esters. A Simple Method for Two-Carbon Chain Elongation." Synthesis, Dec. 1990, pp. 1125-1127.
Sanvordenker, K. S., "Materials Compatibility of R134a in Refrigerant Systems." ASHRAE Winter Meeting, Jan. 1989; pp. 211-216.
Jolley, S. T., "New and Unique Lubricants for Use in Compressors Utilizing R134a Refrigerant." ASHRAE Conference, Jul., 1990, pp. 145-151.

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