Global Patent Index - EP 0557105 A1

EP 0557105 A1 19930825 - Refrigerator oil composition for fluoroalkane refrigerant.

Title (en)

Refrigerator oil composition for fluoroalkane refrigerant.

Title (de)

Ölzusammensetzung für Kältemaschinen, die Fluoroalkane-Kühlflüssigkeiten enthalten.

Title (fr)

Composition d'huile pour réfrigérateur ayant un fluide réfrigérant à base d'alcane fluoré.

Publication

EP 0557105 A1 19930825

Application

EP 93301211 A 19930218

Priority

JP 3353692 A 19920220

Abstract (en)

A refrigerator oil composition, which is composed of a synthetic ester oil as a base oil and is suited for use in a compression-type refrigerator employing a fluoroalkane as a refrigerant, comprises, based on the total weight of the composition, 0.001-1.0 wt.% of a secondary phosphite ester represented by the following formula (1): <CHEM> wherein R<1> and R<2> may be the same or different and individually represent a C1-20 hydrocarbon or oxygen-containing hydrocarbon group.

IPC 1-7

C10M 137/02; C10M 169/04; C10M 171/00; C10N 40/30

IPC 8 full level

C10M 137/02 (2006.01); C10M 169/04 (2006.01); C10M 171/00 (2006.01); C10N 30/00 (2006.01); C10N 30/06 (2006.01); C10N 40/30 (2006.01)

CPC (source: EP)

C10M 105/32 (2013.01); C10M 105/38 (2013.01); C10M 137/02 (2013.01); C10M 169/04 (2013.01); C10M 171/008 (2013.01); C10M 2207/021 (2013.01); C10M 2207/026 (2013.01); C10M 2207/042 (2013.01); C10M 2207/125 (2013.01); C10M 2207/129 (2013.01); C10M 2207/2805 (2013.01); C10M 2207/281 (2013.01); C10M 2207/282 (2013.01); C10M 2207/283 (2013.01); C10M 2207/2835 (2013.01); C10M 2207/286 (2013.01); C10M 2207/289 (2013.01); C10M 2207/302 (2013.01); C10M 2207/304 (2013.01); C10M 2207/32 (2013.01); C10M 2207/34 (2013.01); C10M 2207/345 (2013.01); C10M 2207/40 (2013.01); C10M 2207/404 (2013.01); C10M 2209/108 (2013.01); C10M 2211/022 (2013.01); C10M 2211/06 (2013.01); C10M 2215/064 (2013.01); C10M 2215/22 (2013.01); C10M 2215/221 (2013.01); C10M 2215/225 (2013.01); C10M 2215/226 (2013.01); C10M 2215/30 (2013.01); C10M 2223/02 (2013.01); C10M 2223/04 (2013.01); C10M 2223/042 (2013.01); C10M 2223/049 (2013.01); C10M 2223/10 (2013.01); C10N 2040/00 (2013.01); C10N 2040/30 (2013.01); C10N 2040/32 (2013.01); C10N 2040/34 (2013.01); C10N 2040/36 (2013.01); C10N 2040/38 (2020.05); C10N 2040/40 (2020.05); C10N 2040/42 (2020.05); C10N 2040/44 (2020.05); C10N 2040/50 (2020.05); F04C 2210/26 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

EP 0557105 A1 19930825; BR 9300650 A 19930824; JP H05230488 A 19930907

DOCDB simple family (application)

EP 93301211 A 19930218; BR 9300650 A 19930219; JP 3353692 A 19920220