Transparent glass microspheres and products made therefrom

Details Transparent glass microspheres and products made therefrom Transparent glass microspheres and products made therefrom

1974-04-01

1976-03-23

Douglas, Winston A.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

106 47R, 106 52, C03C 312, B32B 1700, C03C 330

Patent

active

039461300

ABSTRACT:
Transparent glass microspheres that are based on a ternary system of TiO.sub.2, heavy-metal oxide selected from BaO and CdO, and strong glass-forming oxide selected from SiO.sub.2, P.sub.2 O.sub.5, and GeO.sub.2 are disclosed. The microspheres have improved uniformity in optical properties and in handling properties, whereby retroreflective products of greater retroreflectivity can be made.

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