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2 044 742

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C1

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IPC

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Application

5034796/05, 1992-03-31

(22)

Actual filing date

1992-03-31

(45)

Published

1995-09-27

(72)

Inventor

Zhidkov Jurij Nikolaevich[By]Sedach Mikhail Pavlovich[By]Potkin Vladimir Ivanovich[By]Ehrdman Arnol'D Adol'Fovich[By]Jursha Iosif Antonovich[By]Oleshkevich Leonid Aleksandrovich[By]Bondarenko Ljudmila Mikhajlovna[By]

(73)

Holder

Institut Fiziko-Organicheskoj Khimii An BelarusiGrodnenskoe Proizvodstvennoe Ob"Edinenie

METHOD FOR PRODUCTION OF OLIGOPIPERYLENE Russian patent published in 1995 - IPC

Abstract RU 2044742 C1

FIELD: composition for impregnating and dyeing. SUBSTANCE: oligopiperylene is prepared in the medium of organic solvent in the presence of catalyst. Said catalyst is added into chlorine organic solvent then piperylene being dissolved in the same solvent is added, the process is carried out till conversion of monomer is 75 Additional adding of solution of catalyst is carried out at final stage to total conversion of monomer, mass ratio of catalyst amounts being added initially and at the final stage of the process being 3:1. EFFECT: improves efficiency of the method. 1 tbl

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RU 2 044 742 C1

Authors

Zhidkov Jurij Nikolaevich[By]

Sedach Mikhail Pavlovich[By]

Potkin Vladimir Ivanovich[By]

Ehrdman Arnol'D Adol'Fovich[By]

Jursha Iosif Antonovich[By]

Oleshkevich Leonid Aleksandrovich[By]

Bondarenko Ljudmila Mikhajlovna[By]

Dates

1995-09-27—Published

1992-03-31—Filed

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