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2 083 528

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C1

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IPC

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Application

94039039/03, 1994-10-11

(22)

Actual filing date

1994-10-11

(45)

Published

1997-07-10

(72)

Inventor

Krasnitskaja L.A.Tsvetkov A.E.Prindik N.A.Migal' V.P.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Kombinat Ogneuporov"

LIGHT-WEIGHT REFRACTORY MATERIAL, AND PROCESS FOR MANUFACTURING THEREOF Russian patent published in 1997 - IPC

Abstract RU 2083528 C1

FIELD: chemistry of polymers. SUBSTANCE: blend is prepared which comprises (wt%): 45-55 chamotte; 45-55 refractory clay; at least 3 foamed polystyrene (above 100% by weight of the blend); 0.1-0.4 potassium permanganate (above 100% by weight of the blend). Half-finished articles are pressed, vertical 3-5 mm holes are pierced therein, dried and roasted. EFFECT: more efficient manufacturing process. 3 cl

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RU 2 083 528 C1

Authors

Krasnitskaja L.A.

Tsvetkov A.E.

Prindik N.A.

Migal' V.P.

Dates

1997-07-10—Published

1994-10-11—Filed

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