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1 354 653

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A1

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IPC

(21) (22)

Application

3898305/04, 1985-04-02

(22)

Actual filing date

1985-04-02

(45)

Published

1995-11-27

(72)

Inventor

Likhterov V.R.Ehtlis V.S.

METHOD FOR PRODUCTION OF DI-(2-METHACRYLOYLOXYETHYL)ISOPHTHALATE Russian patent published in 1995 - IPC

Abstract SU 1354653 A1

FIELD: organic chemistry. SUBSTANCE: desired product is prepared by interaction of isophthalic acid dichloride with monomethacrylate of ethylene glycol in the medium of organic solvent in the presence of 20 alkali solution, molar ratio of said reagents, solvent and alkali being 1:(2.2-2.4): (5-6): (3.2-3.6) respectively. The process takes place at 15-20 C in the presence of 1-5 mass of C10-C18-alkyldimethylbenzyl ammonium chloride. Mixture of 0.0012-0.0032 mol of phenothiazine and 0.0026-0.0245 mol of hydroquinone is used as inhibitor. Yield of desired product is 83-94 Said product may be used for production of anaerobic compositions. EFFECT: improves quality of desired product. 1 tbl

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SU 1 354 653 A1

Authors

Likhterov V.R.

Ehtlis V.S.

Dates

1995-11-27—Published

1985-04-02—Filed

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