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2 210 649

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Application

2001113034/04, 2001-05-10

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Start date

2001-05-10

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Actual filing date

2001-05-10

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Published

2003-08-20

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Inventor

Volokhina A.V.Sokira A.N.Ogneva T.M.Kija-Oglu V.N.Lukasheva N.V.Poleeva I.V.Pedchenko N.V.Budnitskij G.A.Machalaba N.N.

(73)

Holder

Gosudarstvennoe Predprijatie Vserossijskij Nauchno-Issledovatel'Skij Institut Polimernykh Volokon S Opytnym Zavodom

ARAMIDE FIBER DYEING METHOD Russian patent published in 2003 - IPC

Abstract RU 2210649 C2

FIELD: textile industry. SUBSTANCE: invention relates to obtaining dyed heat- and fire-resistant aramide fibers used in manufacture of protective working clothes and provides method, wherein fiber is formed from aromatic polyamide solution by wet or dry-wet techniques, in particular from solution of aromatic polyamide with 1.5 to 20 wt % of polyacrylonitrile followed by heat treatment of fibers in air at 240-350 C. EFFECT: simplified dyeing process. 5 cl, 1 tbl, 21 ex

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RU 2 210 649 C2

Authors

Volokhina A.V.

Sokira A.N.

Ogneva T.M.

Kija-Oglu V.N.

Lukasheva N.V.

Poleeva I.V.

Pedchenko N.V.

Budnitskij G.A.

Machalaba N.N.

Dates

2003-08-20—Published

2001-05-10—Filed

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