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Application

98116775/04, 1998-09-07

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Start date

1998-09-07

(22)

Actual filing date

1998-09-07

(45)

Published

1999-10-10

(72)

Inventor

Zijatdinov A.Sh.Ekimova A.M.Gil'Manov Kh.Kh.Shatilov V.M.Sadriev Sh.M.Silitrina N.A.Trifonov S.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PREPARING FILM-FORMING AGENT Russian patent published in 1999 - IPC

Abstract RU 2139300 C1

FIELD: chemistry of polymers. SUBSTANCE: film-forming agent is prepared by radical copolymerization in body of propylene, C₄- unsaturated and C₄-acetylenic hydrocarbons include top product of stripping tower where dimethylformamide is regenerated to recover butadiene from ethylene production pyrolysis product, weight ratio of components being as follows, wt %: top product of stripping tower where dimethylformamide is regenerated to recover butadiene from ethylene production pyrolysis product, 20-40; piperylene, 60-80. EFFECT: wider range of raw stock to prepare film-forming agent and improved properties thereof. 2 cl, 3 ex, 2 tbl

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RU 2 139 300 C1

Authors

Zijatdinov A.Sh.

Ekimova A.M.

Gil'Manov Kh.Kh.

Shatilov V.M.

Sadriev Sh.M.

Silitrina N.A.

Trifonov S.V.

Dates

1999-10-10—Published

1998-09-07—Filed