Rare earth-containing frits having a high glass transition temperature and their use for the production of enamels having improved heat resistance
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United States of America Patent
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Mar 30, 1993
Grant Date -
N/A
app pub date -
Jul 23, 1991
filing date -
Jul 23, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is directed to an alkali borosilicate frit which is capable of being applied to a metal substrate by the dry powder electrostatic process at a transfer efficiency of at least 70%, has a glass transition temperature of >525.degree. C. and contains, based on the total weight of the frit:
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