Patent · US Expired

Enamel frit and a process for two-layer and multi-layer one-fire enamelling

US4430438A · kind A · utility

1Cited by

2References

9Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Otto Krist · Overath, DE
Heinz Drave · Baltimore, US
Jozef Luypaert · Brussels, BE

Key dates

Filing date	Apr 22, 1982
Grant date	Feb 7, 1984
Priority date	—
Expiry date	Apr 22, 2002

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C2207/02
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

The invention relates to a process for two-layer and multi-layer one-bake enamelling, in which saccharides and/or their oxidation, reduction and/or conversion products and/or polyethylene glycol are added during preparation of the ground enamel slip and, optionally, the intermediate enamel slip, the additives containing up to 50 carbon atoms per molecule.

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