Television face plates resistant to browning

Details Television face plates resistant to browning Television face plates resistant to browning

1987-06-30

1988-11-22

Kellogg, Arthur

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

65134, 65 325, 501 13, C03B 5225

Patent

active

047866195

ABSTRACT:
A television face plate resistant to browning is formed by melting and refining molten glass which contains cerium oxide as an anti-browning agent, the process being carried out in the presence of a sulphur containing compound such that the cerium oxide is converted substantially into the cerous state during melting and refining thereby increasing resistance to browning.

REFERENCES:
patent: 1536919 (1925-05-01), Parkinson
patent: 1771435 (1930-07-01), Gelstharp
patent: 2477329 (1949-07-01), DeGier et al.
patent: 3032428 (1962-05-01), Ginther
patent: 3422298 (1969-01-01), DeGier
patent: 4040809 (1977-08-01), Pecoraro
patent: 4089693 (1978-05-01), LaGrouw et al.

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