C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 5/04 (2006.01) C10M 171/00 (2006.01)
Patent
CA 2543992
The present invention relates to refrigerant compositions comprising refrigerant, UV fluorescent dye and solubilizing agent that enable introduction of leak detectant UV fluorescent dye as solution of dye in refrigerant. Further, the present invention relates to methods for introducing dye, methods for solubilizing dye, methods for detecting leaks and methods for producing refrigeration and heat using the compositions described herein.
La présente invention concerne des compositions de fluide frigorigène comprenant un fluide frigorigène, un colorant fluorescent aux ultraviolets et un agent de solubilisation, lesquelles compositions permettent d'introduire un colorant fluorescent aux ultraviolets détecteur de fuites en tant que solution de colorant dans le fluide frigorigène. En outre, cette invention concerne des procédés permettant d'introduire un colorant, des procédés permettant de solubiliser le colorant, des procédés permettant de détecter des fuites et des procédés permettant de produire du froid et de la chaleur au moyen des compositions décrites dans cette invention.
Bateman David J.
Drigotas Martin D.
Leck Thomas J.
E.i. Du Pont de Nemours And Company
Torys Llp
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