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2 095 345

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C1

(51)

IPC

(21) (22)

Application

95104550/04, 1995-03-28

(22)

Actual filing date

1995-03-28

(45)

Published

1997-11-10

(72)

Inventor

Timofeev V.P.Nijazov N.A.Dzhemelev U.M.

(73)

Holder

Sterlitamakskij Neftekhimicheskij Zavod

6,6′-DIMETHYLAMINOMETHYL-1-OXYBENZALDEHYDE AS EPOXY RESIN HARDENER, AND METHOD OF PREPARATION THEREOF Russian patent published in 1997 - IPC

Abstract RU 2095345 C1

FIELD: organic chemistry. SUBSTANCE: initial salycilic aldehyde is reacted with N,N-tetramethylmethylene bisamine at salicylic aldehyde to N,N-tetramethylene bisamine molar ratio of 0.1-0.25:0.5, at 80-120 C, preferably in aliphatic alcohols or mixtures thereof with toluene or xylene at salicylic aldehyde to solvent molar ratio of 0.1-0.35:0.65. EFFECT: improved properties of the title compound, more particularly preparation of new polyfunctional salicylic aldehyde derivative. 4 cl, 1 tbl

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RU 2 095 345 C1

Authors

Timofeev V.P.

Nijazov N.A.

Dzhemelev U.M.

Dates

1997-11-10—Published

1995-03-28—Filed

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