US PATENT SUBCLASS 65 / 30.13
.~.~ With metal ion penetrating into glass (i.e., ion exchange)

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

17.1  DF  PROCESSES {32}
30.1  DF  .~ With chemically reactive treatment of glass preform {4}
30.13.~.~ With metal ion penetrating into glass (i.e., ion exchange) {1}
30.14  DF  .~.~.~> To temper or strengthen the glass

DEFINITION

Classification: 65/30.13

With metal ion penetrating into glass (i.e., ion exchange):

(under subclass 30.1) Processes including the step of exchanging selected metal ions of the outer layers of the glass for other ions.

(1) Note. The ion exchange process may be for the purpose, e.g., of imparting a color to the glass or to alter its refractive index.