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2 129 136

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IPC

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Application

97106747/04, 1997-04-23

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Actual filing date

1997-04-23

(45)

Published

1999-04-20

(72)

Inventor

Gabutdinov M.S.Rjazantseva I.N.Cherevin V.F.Medvedeva Ch.B.Valeeva N.N.Kulikova O.V.Andreeva I.N.Ogorodnikova T.I.

(73)

Holder

Kazanskoe Otkrytoe Aktsionernoe Obshchestvo Sintez"

COLORING POLYMERIC COMPOSITION CONCENTRATE Russian patent published in 1999 - IPC

Abstract RU 2129136 C1

FIELD: chemical industry. SUBSTANCE: present invention describes coloring polymeric polyolefin-based composition concentrates. Composition comprises coloring biological red prodigiosine pigment used for coloring polymers and materials based thereon. Present invention describes coloring polymeric composition concentrate comprising polyolefin and colorant. Colorant includes biological red prodigiosine pigment isolated by treating pigment- containing microbic biomass with ionic detergent and subsequently extracting pigment with polar organic solvent, ratio of components being as follows (wt %): polyolefin, 95.0-90.0; prodigiosine pigment, 5-10.0. Use of biological prodigiosine pigment as colorant of polymeric composition makes it possible to widen range of raw materials for preparation of colorant, and assortment of coloring compositions. EFFECT: improved properties of the coloring composition. 4 cl, 3 ex, 1 tbl

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RU 2 129 136 C1

Authors

Gabutdinov M.S.

Rjazantseva I.N.

Cherevin V.F.

Medvedeva Ch.B.

Valeeva N.N.

Kulikova O.V.

Andreeva I.N.

Ogorodnikova T.I.

Dates

1999-04-20—Published

1997-04-23—Filed