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2 188 694

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(51)

IPC

(21) (22)

Application

2000129245/12, 2000-11-23

(24)

Start date

2000-11-23

(22)

Actual filing date

2000-11-23

(45)

Published

2002-09-10

(72)

Inventor

Filatov Ju.N.Grinchenko A.I.Budyka A.K.

(73)

Holder

Nauchno-Issledovatel'Skij Fiziko-Khimicheskij Institut Im. L.Ja.KarpovaFilatov Jurij Nikolaevich

FILTERING MATERIAL Russian patent published in 2002 - IPC

Abstract RU 2188694 C2

FIELD: filtering materials. SUBSTANCE: filtering material presents two- or three-layer material in the form of tape containing layer of perchlorovinyl fibers of 0.3-0.5 mcm in diameter and substrate of sized perchlorovinyl fibers of 5.7 mcm in diameter. Material is characterized by low resistance to air flow with high filtration efficiency and used as quantitative filter paper in continuously operating instruments for taking samples of aerosols including radioactive ones. EFFECT: higher efficiency. 3 cl

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RU 2 188 694 C2

Authors

Filatov Ju.N.

Grinchenko A.I.

Budyka A.K.

Dates

2002-09-10—Published

2000-11-23—Filed