Patent · US Expired

High-gloss ceramic frits

US5348915A · kind A · utility

9Cited by
5References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 19, 1993
Grant dateSep 20, 1994
Priority date
Expiry dateMar 19, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C8/08
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Lead-free ceramic frits for producing glazes with intrinsic opacity, and methods of coationg ceramic substrates with the ceramic frits, wherein the ceramic frits have the following composition: ______________________________________ SiO.sub.2 48-60 wt. % B.sub.2 O.sub.3 3-8 wt. % Al.sub.2 O.sub.3 4-8 wt. % Na.sub.2 O 0.2-2.0 wt. % K.sub.2 O 4-8 wt. % MgO 0-2 wt. % CaO 7.5-13 wt. % BaO 0-5 wt. % ZnO 7-12 wt. % ZrO.sub.2 0.3-2.5 wt. % TiO.sub.2 3.5-5.5 wt. % P.sub.2 O.sub.5 0-3 wt. % and Na.sub.2 O + K.sub.2 O 4.5-8.5 wt. %. ______________________________________

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.