US PATENT SUBCLASS 264 / 195
.~.~.~.~.~.~.~ Subsequent chemical treatment of formed articles

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}
178 R  DF  .~.~ Into a liquid bath {6}
183  DF  .~.~.~ Reactive bath {4}
186  DF  .~.~.~.~ Carbohydrate containing extrudant {1}
187  DF  .~.~.~.~.~ Cellulose derivatives {3}
188  DF  .~.~.~.~.~.~ Viscose {5}
195.~.~.~.~.~.~.~ Subsequent chemical treatment of formed articles

DEFINITION

Classification: 264/195

(under subclass 188) Processes wherein the formed article is further treated with a chemically reactive agent.

(1) Note. The step of washing or dehydrating, with water or other nonchemically reactive liquid, is not included within the scope of this subclass but are classified on some other basis.

(2) Note. See the notes and search notes in subclass 165 which refer to fluid or coating treatments provided for in Classes 8, Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers, and Class 427, Coating Processes, respectively.

SEE OR SEARCH THIS CLASS, SUBCLASS:

129, for processes including a coating step outside of the mold.

196, for processes wherein the article is formed in two or more stages as by coagulating or regenerating in plural baths.