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2 011 444

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C1

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IPC

(21) (22)

Application

5047177/12, 1992-06-10

(22)

Actual filing date

1992-06-10

(45)

Published

1994-04-30

(72)

Inventor

Kolesov B.S.Burmjakov V.A.Nosovskij Ju.E.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Plasticheskikh Mass Im.G.S.Petrova S Opytnym Moskovskim Zavodom Plastmass

METHOD OF REACTOR CLEANSING FOR ESTER SYNTHESIS Russian patent published in 1994 - IPC

Abstract RU 2011444 C1

FIELD: cleansing. SUBSTANCE: method involves washing of inner surface of equipment with wash liquid at heating under pressure. Solution of C6-C18-dicarboxylic acid ester or normal or iso-C4-C12-aliphatic alcohol or corresponding acid ester in indicated alcohol at mass ratio (0.3 -0.5): 1 is used as wash liquid. Process is carried out at 80-220 C and under pressure 15-101.3 kPa. EFFECT: improved method of cleansing. 2 cl, 1 tbl

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RU 2 011 444 C1

Authors

Kolesov B.S.

Burmjakov V.A.

Nosovskij Ju.E.

Dates

1994-04-30—Published

1992-06-10—Filed

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