US PATENT SUBCLASS 427 / 308
.~.~ Cellulosic base

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

299  DF  WITH PRETREATMENT OF THE BASE {7}
307  DF  .~ Etching, swelling, or dissolving out part of the base {2}
308.~.~ Cellulosic base

DEFINITION

Classification: 427/308

(under subclass 307) Processes wherein the base is a carbohydrate material derived from the structural matter of plant life.