Rare earth-containing zinc phosphate glasses

Details Rare earth-containing zinc phosphate glasses Rare earth-containing zinc phosphate glasses

1989-06-29

1991-02-26

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 48, C03C 316, C03C 317

Patent

active

049961721

ABSTRACT:
This invention is concerned with the preparation of glasses exhibiting transition temperatures below 450.degree. C., working temperatures below 500.degree. C., and exceptional resistance to mild aqueous alkaline solutions consisting essentially, expressed in terms of mold percent on the oxide basis, of:

REFERENCES:
patent: 3979322 (1976-09-01), Alexeev et al.
patent: 4248732 (1981-02-01), Myers et al.
patent: 4439530 (1984-03-01), Tajima

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