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2 149 155

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C1

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Application

98116683/04, 1998-09-04

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Start date

1998-09-04

(22)

Actual filing date

1998-09-04

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Published

2000-05-20

(72)

Inventor

Zagidullin R.N.Dmitriev Ju.K.Abdrafikova L.S.Rasulev Z.G.Gil'Mutdinov A.T.

(73)

Holder

Sterlitamakskoe Zakrytoe Aktsionernoe Obshchestvo

METHOD OF PREPARING UNSATURATED CHLOROHYDROCARBONS Russian patent published in 2000 - IPC

Abstract RU 2149155 C1

FIELD: chemical industry. SUBSTANCE: described is method which comprises dehydrochlorination of di- and polychloroalkanes with 30-50% aqueous solution of alkali metal hydroxide in the presence of 0.4-2 wt.% of catalyst. Catalyst is prepared by reacting polyethylene polyamines and alkylated derivatives thereof with benzyl chloride at molar ratio of 1:1-5. EFFECT: increased yield of the desired product, shorter process duration. 2 cl, 17 ex, 2 tbl

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RU 2 149 155 C1

Authors

Zagidullin R.N.

Dmitriev Ju.K.

Abdrafikova L.S.

Rasulev Z.G.

Gil'Mutdinov A.T.

Dates

2000-05-20—Published

1998-09-04—Filed

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