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2 070 430

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C1

(51)

IPC

(21) (22)

Application

94020205/26, 1994-05-31

(22)

Actual filing date

1994-05-31

(45)

Published

1996-12-20

(72)

Inventor

Bajburin G.G.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Neorganicheskikh Materialov Im.Akad.Bochvara A.A.

METHOD OF PREPARING FILTERING MEMBER Russian patent published in 1996 - IPC

Abstract RU 2070430 C1

FIELD: gauze filters for liquid and gas media. SUBSTANCE: invention relates to gauze filtering members mainly designed for ultra- and microfiltration in biotechnology, medicinal and other industries. Method includes treatment of inorganic gauze basis with a IV-VI group metal oxide sol and consequent drying and two-step thermal treatment, temperature of the first step being 200-600 C and that of the second step being by 300-500 C lower than melting point of gauze basis material. As a latter, stainless steel or nickel gauze, and as a sol, zirconium and titanium oxide sols may be used. EFFECT: improved procedure of filtering member preparation. 3 cl, 1 tbl, 3 dwg

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RU 2 070 430 C1

Authors

Bajburin G.G.

Dates

1996-12-20—Published

1994-05-31—Filed

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