US PATENT SUBCLASS 65 / 134.6
.~.~ Exhaust or top gas treated or recycled

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

17.1  DF  PROCESSES {32}
134.1  DF  .~ Fining or homogenizing molten glass {13}
134.6.~.~ Exhaust or top gas treated or recycled

DEFINITION

Classification: 65/134.6

Exhaust or top gas treated or recycled:

(under subclass 134.1) Processes wherein an exhaust or top gas is reused or treated prior to releasing into the atmosphere.

SEE OR SEARCH CLASS

95, Gas Separation: Processes,

241+, for a process of general application for separating gases by physical methods.