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2 173 743

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IPC

(21) (22)

Application

2001100082/12, 2001-01-04

(24)

Start date

2001-01-04

(22)

Actual filing date

2001-01-04

(45)

Published

2001-09-20

(72)

Inventor

Gur'Janov V.E.Belova V.E.Tovstoshkurov E.M.Baksheev I.P.Lepeshkina E.V.Butjagin P.A.Zerkalova G.P.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatel'Skij Institut Bumagi"Nauchno-Proizvodstvennoe Predprijatie

FILTER SHEET CELLULOSE MATERIAL FOR FINE CLEANING OF LIQUIDS Russian patent published in 2001 - IPC

Abstract RU 2173743 C1

FIELD: paper- and-pulp industry. SUBSTANCE: : invention relates to production of paper and cardboard for fine cleaning of blood to remove white blood cells. Material contains hydrated cellulose fiber with specific surface 0.2 to 1.2 sq.m/g having ragged outline of transverse section, sulfate cellulose from foliferous wood ground to 30-90 deg, and cationic water-soluble polyamino-polyamido-epichlorohydrin resin. Hydrated cellulose fiber is preferably viscose or copper-ammonia fiber. Material can also contain polyvinylacetate. EFFECT: enabled separation of particles 5 to 35 mcm in size. 4 cl, 1 tbl, 3 ex

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RU 2 173 743 C1

Authors

Gur'Janov V.E.

Belova V.E.

Tovstoshkurov E.M.

Baksheev I.P.

Lepeshkina E.V.

Butjagin P.A.

Zerkalova G.P.

Dates

2001-09-20—Published

2001-01-04—Filed