US PATENT SUBCLASS 264 / 204
.~.~ Solidifying by evaporation of liquid solvent or liquid carrier

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}
204.~.~ Solidifying by evaporation of liquid solvent or liquid carrier {2}
205  DF  .~.~.~> Synthetic resin containing spinning solutions {1}
207  DF  .~.~.~> Cellulose derivative {1}

DEFINITION

Classification: 264/204

(under subclass 176) Processes in which the article is formed by extrusion into an evaporative atmosphere of a solution of article forming material with subsequent solidification thereof, by removal of the solvent of said solution through evaporation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

5+, for processes of forming particles or fibers which may include evaporation of a carrier.

82+, for reactive gas or vapor treatment of work.

203, for processes wherein the solvent of the article forming material solution is removed by an extractive liquid in which said material is relatively insoluble.

SEE OR SEARCH CLASS

159, Concentrating Evaporators, 47.1+, for processes which may involve spray or film formation by a concentrating step.