US PATENT SUBCLASS 65 / 17.5
.~.~ Employing nonoxide additive

Current as of: June, 1999
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65 /   HD   GLASS MANUFACTURING

17.1  DF  PROCESSES {32}
17.3  DF  .~ With shaping of particulate material and subsequent fusing of particles {3}
17.5.~.~ Employing nonoxide additive

DEFINITION

Classification: 65/17.5

Employing nonoxide additive:

(under subclass 17.3) Processes in which a nonoxide material which is generally not an ingredient of a glass composition is incorporated with the particulate material prior to fusing.