Detergent-durable glasses

Details Detergent-durable glasses Detergent-durable glasses

1979-11-02

1981-02-10

McCarthy, Helen M.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 52, C03C 308

Patent

active

042499461

ABSTRACT:
This invention is drawn to the production of transparent glasses which display exceptional resistance to attack by detergents such as are utilized in commercial dishwashers, thereby rendering such glasses eminently suitable for food service ware and, in particular, drinkware articles. The glasses strongly resist the development of iridescence, an undesirable phenomenon frequently occurring in transparent glasses used for food service after exposure to dishwasher detergents. Operable compositions consist essentially, expressed in weight percent on the oxide basis as calculated from the batch, of:

REFERENCES:
patent: 1130767 (1915-03-01), Schott
patent: 1143732 (1915-06-01), Schott
patent: 3709705 (1973-01-01), Hagedorn
patent: 3784387 (1974-01-01), Sack

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