US PATENT SUBCLASS 65 / 426
.~.~ Drying, dehydration, OH removal or prevention

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

376  DF  PROCESSES OF MANUFACTURING FIBERS, FILAMENTS, OR PREFORMS {18}
385  DF  .~ Process of manufacturing optical fibers, waveguides, or preforms thereof {29}
426.~.~ Drying, dehydration, OH removal or prevention

DEFINITION

Classification: 65/426

Drying, dehydration, OH removal or prevention:

(under subclass 385) Processes wherein moisture or hydroxyl radicles are eliminated or prevented from forming on the optical fiber, waveguide, or preform.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

266+, 418+, and 420+ for processes utilizing radiant energy to dry, per se. Combinations of glass working and drying operations are proper for Class 65.