US PATENT SUBCLASS 264 / 207
.~.~.~ Cellulose derivative


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

165  DF  FORMING CONTINUOUS OR INDEFINITE LENGTH WORK {8}
176.1  DF  .~ Shaping by extrusion {11}
204  DF  .~.~ Solidifying by evaporation of liquid solvent or liquid carrier {2}
207.~.~.~ Cellulose derivative {1}
208  DF  .~.~.~.~> With stretching of formed article


DEFINITION

Classification: 264/207

(under subclass 204) Processes wherein the article forming material in solution is cellulose or derivatives thereof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

187+, for processes of spinning cellulose derivatives into a reactive liquid bath.