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2 140 929

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IPC

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Application

94042376/04, 1994-11-29

(22)

Actual filing date

1994-11-29

(45)

Published

1999-11-10

(72)

Inventor

Oparina N.N.Filippova O.V.Elizarova T.P.Sergeev S.A.Zheleznov S.M.Nikulin E.Ja.

(73)

Holder

Oparina Natal'Ja NaumovnaFilippova Ol'Ga VladimirovnaElizarova Tat'Jana PavlovnaSergeev Sergej Anatol'EvichZheleznov Sergej MikhajlovichNikulin Evgenij Jakovlevich

CARBOXYL-CONTAINING OLIGOISOBUTENE AND PERFLUOROPOLYOXAALKYL CARBOXYLIC ACID N,N′- ALKYLENEDIAMIDES Russian patent published in 1999 - IPC

Abstract RU 2140929 C1

FIELD: chemistry of polymers, more particularly new liquid rubber. SUBSTANCE: carboxyl- containing oligoisobutene and perfluoropolyoxaalkylcarboxylic acid N,N′-alkylenediamides are prepared by amidation of oligoisobutene rubber having end carboxylic groups and perfluoropolyoxaalkylcarboxylic acid methyl ester by various diamines and are useful as antifriction addition agent to motor oil. EFFECT: improved properties of the title compounds. 9 ex, 1 tbl

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RU 2 140 929 C1

Authors

Oparina N.N.

Filippova O.V.

Elizarova T.P.

Sergeev S.A.

Zheleznov S.M.

Nikulin E.Ja.

Dates

1999-11-10—Published

1994-11-29—Filed

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