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669 724

(13)

A1

(51)

IPC

(21) (22)

Application

2189283/05, 1975-11-03

(22)

Actual filing date

1975-11-03

(45)

Published

1996-08-20

(72)

Inventor

Kotov B.V.Kolninov O.V.Gordina T.A.Mostovoj R.M.Fedorova T.A.Pravednikov A.N.Sidaravichjus I.B.Gajdjalis V.I.Rybalko T.I.Ljudkjavichjus A.L.

POLYIMIDES CONTAINING ANTHRACENE IN CHAIN Russian patent published in 1996 - IPC

Abstract SU 669724 A1

FIELD: organic chemistry, polymers. SUBSTANCE: product of the formula where B - aromatic, heterocyclic, cycloaliphatic moiety containing 4 free valencies disposed in pairs being in each pair with adjacent ring carbon atoms; M - aromatic, heterocyclic moiety containing 2 free valencies; x = 0-0.9; n = 10-500; logarithmic viscosity of 0.5% solution of intermediate polyamidoacids in amide solvents is 0.2-2. Product is used for photosensitive materials making. EFFECT: improved method of synthesis.

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SU 669 724 A1

Authors

Kotov B.V.

Kolninov O.V.

Gordina T.A.

Mostovoj R.M.

Fedorova T.A.

Pravednikov A.N.

Sidaravichjus I.B.

Gajdjalis V.I.

Rybalko T.I.

Ljudkjavichjus A.L.

Dates

1996-08-20—Published

1975-11-03—Filed

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