C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/04 (2006.01)
Patent
CA 2634593
The present invention relates to compositions and processes of using perfluoropolyether to maintain or improve the oil return, lubrication, or energy efficiency of the refrigeration, air conditioning and heat transfer system.
La présente invention concerne des compositions et des procédés utilisant des perfluoropolyéthers dans le but de maintenir ou d'améliorer le retour d~huile, la lubrification ou l~efficacité énergétique d~un système de réfrigération, de climatisation d~air et de transfert de chaleur.
Bell Gregory A.
Leck Thomas J.
Saturno Thomas Frank
E.i. Du Pont de Nemours And Company
Torys Llp
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