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IPC

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Application

98117305/04, 1998-09-21

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Start date

1998-09-21

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Actual filing date

1998-09-21

(45)

Published

1999-10-27

(72)

Inventor

Barabanov V.G.Zotikov V.S.Saraev V.A.Naumenko S.N.Kuznetsov A.S.Beljaev A.Ju.Denisenkov V.F.Uklonskij I.P.Vasil'Ev V.G.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

COOLANT COMPOSITION Russian patent published in 1999 - IPC

Abstract RU 2140431 C1

FIELD: chemical industry, more particularly "drop in" substitute of coolant which is used in refrigerating, domestic, trade and industrial equipment. SUBSTANCE: described is coolant composition comprising difluoromonochloromethane (R22), dischloromonofluoromethane (R21) and tetrafluoroethane (R134a). Composition further comprises difluoroethane (R152a) or 1-chloro, 1,1-difluoroethane (142b) ratios of components being as follows, wt %: difluoromonochloromethane (R22), 45-70; dichloromonofluoromethane (R21), 3-25; tetrafluorethane (R134a), 0.1-15; difluoroethane (R152a), 0.1-20; or 1- chloro, 1,1-difluoroethane (R142b), 0.1-35. EFFECT: ozone-saving coolant composition and "drop in" substitute of coolant 12 which keeps refrigerating equipment employing coolant 12 serviceable. 3 cl, 2 dwg, 1 tbl

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RU 2 140 431 C1

Authors

Barabanov V.G.

Zotikov V.S.

Saraev V.A.

Naumenko S.N.

Kuznetsov A.S.

Beljaev A.Ju.

Denisenkov V.F.

Uklonskij I.P.

Vasil'Ev V.G.

Dates

1999-10-27—Published

1998-09-21—Filed