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2 096 357

(13)

C1

(51)

IPC

(21) (22)

Application

95112285/03, 1995-07-18

(22)

Actual filing date

1995-07-18

(45)

Published

1997-11-20

(72)

Inventor

Sarbaeva N.V.Mikhajlova G.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Samotsvety"

COMPOSITION OF ENAMEL COATING FOR OVERGLAZED PATTERN PROTECTION MAINLY Russian patent published in 1997 - IPC

Abstract RU 2096357 C1

FIELD: enamel compositions. SUBSTANCE: composition has, wt.-%: silicon dioxide SiO2, 20.0-31.0; lead oxide PbO, 56.5-65.0; potassium oxide K2O, 7.3-10.0; boron oxide B2O3, 1.5-3.0; zinc oxide ZnO, 1.0-1.5; antimony oxide Sb2O3, 0.3-0.5; lithium oxide Li2O, 0.5-3.0; fluorine F-, 0.1-1.3. Coating properties: roasting temperature is 580-630 C, refraction index is 1.52-1.69, spreadability is 3.10-3.60 Composition is used for protection of jewelry articles made of nonferrous and noble metals. EFFECT: improved properties of composition. 1 tbl

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RU 2 096 357 C1

Authors

Sarbaeva N.V.

Mikhajlova G.I.

Dates

1997-11-20—Published

1995-07-18—Filed

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