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2 093 484

(13)

C1

(51)

IPC

(21) (22)

Application

95100489/03, 1995-01-11

(22)

Actual filing date

1995-01-11

(45)

Published

1997-10-20

(72)

Inventor

Lebedeva G.A.Ozerova G.P.

(73)

Holder

Institut Geologii Karel'Skogo Nauchnogo Tsentra Ran

GLASS CRYSTALLINE MATERIAL Russian patent published in 1997 - IPC

Abstract RU 2093484 C1

FIELD: chemical and building industries; manufacture of jewelry products and touchstone. SUBSTANCE: glass crystalline material comprises (wt %): 46.0-53.0 SiO2; 0.3-3.0 TiO2; 9.0-18.0 AI2O3; 4.5-10.0; 2.0-8.0 FeO; 6.0-11.0 MgO; 6.2-12.2 CaO; 1.5-6.0 Fe2O3; 0.2-2.5 Na2O; 0.05-0.1 K2O; 0.05-1.0 P2O5. EFFECT: improved properties. 2 tbl

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RU 2 093 484 C1

Authors

Lebedeva G.A.

Ozerova G.P.

Dates

1997-10-20—Published

1995-01-11—Filed

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