METHOD OF DYEING CERAMIC ARTICLES Russian patent published in 1999 - IPC

Abstract RU 2130443 C1

FIELD: manufacture of building materials. SUBSTANCE: invention, in particular, relates to dyeing face brick and consists in that surface layer of the latter is impregnated with aqueous solution of a mineral salt and/or metal oxide, after which brick is dried and fired. At that, impregnated is surface layer of freshly molded brick and to impregnation solution a surfactant is added. EFFECT: ensured quality dyeing with no complication or prolongation of process. 3 cl

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RU 2 130 443 C1

Authors

Sobolev Vjacheslav Nikolaevich

Dates

1999-05-20—Published

1997-09-11—Filed