US PATENT SUBCLASS 264 / 211.19
.~.~.~.~ Extractive fluid or effects reaction

Current as of: June, 1999
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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}
211.12  DF  .~.~ Processing or treatment after extrusion {1}
211.13  DF  .~.~.~ Contact of extrudate with fluid other than ambient air {4}
211.19.~.~.~.~ Extractive fluid or effects reaction

DEFINITION

Classification: 264/211.19

Extactive fluid or effects reaction:

(under subclass 211.13) Processes wherein the fluid extracts a component of the extrudate or effects a reaction in the extrudate.

SEE OR SEARCH THIS CLASS, SUBCLASS:

82+, for a process wherein a gas or vapor reacts chemically with at least a portion of the extrudate.