PHOTOPROTECTIVE DEVICE Russian patent published in 1998 - IPC

Abstract RU 2113812 C1

FIELD: inorganic chemistry. SUBSTANCE: device has carcass and cover fitted on its. Cover is made of material transforming UV-radiation to red one. Cover has a matrix and at least one composite compound of the general formula MxMIy

R_z where M - metal taken from the group involving lanthanum, gadolinium, yttrium, erbium, praseodymium, dysprosium, neodymium, cerium, ytterbium; M^I - metal taken from the group involving europium, samarium, terbium; R - element taken from the group involving phosphorus, oxygen, boron, sulfur, fluorine, chlorine, bromine, vanadium and/or phosphorus, boron oxides and/or their compounds each with other. Device ensures to increase working life of light-transforming capability to at least 400 days. Invention can be used in for protection from environment and UV-radiation in agriculture and medicine. EFFECT: enhanced effectiveness, broadened photoprotective materials. 13 cl, 6 dwg

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RU 2 113 812 C1

Authors

Bratkova L.R.

Shchelokov R.N.

Lepljanin G.V.

Lepljanina E.G.

Khramov R.N.

Dates

1998-06-27—Published

1996-11-18—Filed