Patent ID: 8162005
Filing Date: 2012-04-24
Classification: B01J,B81B,B81C,C03C,Y10T

Abstract:
1. A crystallization-resistant zirconium- and alumina-containing silicate glass for use as a frit with refractory materials such as alumina, the glass comprising a composition in mole percent (mol %) of: 2<B 75<SiO 3<Al 2<ZrO 9<Na 0<alkali earth+lanthanide≦1.96 mol % and wherein the total mole percent of SiO 2 , Al 2 O 3 and ZrO 2 together is greater than 82 but less than 86, and wherein the total mole percent of B 2 O 3 , Na 2 O, K 2 O, alkali earths and lanthanides together is greater than 13 and less than 18.