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2 429 898

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(51)

IPC

B01D39/20(2006-01-01)

(21) (22)

Application

2010113704/05, 2010-04-07

(24)

Start date

2010-04-07

(22)

Actual filing date

2010-04-07

(45)

Published

2011-09-27

(72)

Inventor

Piljugin Leonid AleksandrovichPiljugin Aleksandr LeonidovichEremina Larisa Evgen'EvnaSavel'Eva Elena VladimirovnaKos'Janova Tat'Jana Ignat'Evna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennyj Tsentr

FILTRATION MATERIAL Russian patent published in 2011 - IPC B01D39/20

Abstract RU 2429898 C1

FIELD: process engineering.

SUBSTANCE: proposed material comprises thermosoftening phenol-formaldehyde resin, urotropine and natural sand of 0.2-0.5 mm-grain size.

EFFECT: better reproducibility of main characteristics, expanded operating performances.

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RU 2 429 898 C1

Authors

Piljugin Leonid Aleksandrovich

Piljugin Aleksandr Leonidovich

Eremina Larisa Evgen'Evna

Savel'Eva Elena Vladimirovna

Kos'Janova Tat'Jana Ignat'Evna

Dates

2011-09-27—Published

2010-04-07—Filed