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2 249 589

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Application

2003129307/04, 2003-10-01

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Start date

2003-10-01

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Actual filing date

2003-10-01

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Published

2005-04-10

(72)

Inventor

Kirichenko G.N.Dzhemilev U.M.Ibragimov A.G.Khalilov L.M.Majstrenko V.V.Glazunova V.I.Kirichenko V.Ju.Ptashko O.A.

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Holder

Gu Institut Neftekhimii I Kataliza An Rb I Unts Ran

METHOD FOR PRODUCTION OF O-(N-BUTYL)-O-(2-ETHYL-N-HEXYL)-DITHIOPHOSPHORIC ACID 1-(N,N-DIMETHYLAMINOMETHYL)-BENZOTRIAZOLE SALT Russian patent published in 2005 - IPC

Abstract RU 2249589 C1

FIELD: organic chemistry, in particular new lubricating oil additive.

SUBSTANCE: 1-(N,N-dimethylaminomethyl)-benzotriazole is brought into reaction with equimolar amount of O-(n-butyl)-O-(2-ethyl-n-hexyl)-dithiophosphoric acid at 80-100°C for 2-4 h. Yield of finished product is 92-100 %.

EFFECT: corrosion-resistant additive with antioxidative, high antiscoring properties, compatible with base oil.

1 cl, 1 ex, 2 tbl

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RU 2 249 589 C1

Authors

Kirichenko G.N.

Dzhemilev U.M.

Ibragimov A.G.

Khalilov L.M.

Majstrenko V.V.

Glazunova V.I.

Kirichenko V.Ju.

Ptashko O.A.

Dates

2005-04-10—Published

2003-10-01—Filed