US PATENT SUBCLASS 65 / 32.3
.~.~ With crystallization or photochromism or phase separation

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

17.1  DF  PROCESSES {32}
32.1  DF  .~ Operating under inert or reducing conditions {4}
32.3.~.~ With crystallization or photochromism or phase separation

DEFINITION

Classification: 65/32.3

With crystallization or photochromism or phase separation:

(under subclass 32.1) Processes which comprises: (a) partial or complete crystallization of a glass composition; (b) a color change occurring response to radiation impinging on glass; or (c) separation of phases of a glass composition.