Patent ID: 6911408

Claim:
A lead-free enamel composition consisting of finely divided glass particles, finely divided pigment particles and an organic binder, characterised in that the glass of said particles is a lead-free mineral glass, essentially having the composition below, which is expressed in percentages by weight of oxides: SiO 2 45-60 B 2 O 3 0-10 Al 2 O 3 6-17 Na 2 O 0-7 K 2 O 0-7 Li 2 O 0-7 with Na 2 O + K 2 O + Li 2 O >4 CaG 0-12 BaG 13-27 ZnO 3-17 MgO 0-9 TiO 2 0-2 ZrO 2 0-7.