Process to obtain transparent colorless and glass-ceramics so ob

Details Process to obtain transparent colorless and glass-ceramics so ob Process to obtain transparent colorless and glass-ceramics so ob

1977-03-23

1978-06-06

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 398, C03C 322, C03C 304

Patent

active

040934683

ABSTRACT:
The invention relates to glass-ceramics.
It concerns a process to obtain sensibly colorless transparent glass-ceramics from a glass-ceramic composition containing more than 0.50 weight % titanium dioxide and possibly iron oxide, that would normally provide colored glass-ceramics; this process is characterized by incorporating into the said composition an appropriate proportion of neodymium oxide so as to make the glass-ceramic sensibly colorless.
Application to the manufacture of diverse articles.

REFERENCES:
patent: 3928229 (1975-12-01), Neuroth
patent: 4018612 (1977-04-01), Chyung

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