US PATENT SUBCLASS 264 / 37.21
.~.~.~ Containing ethylene or propylene carbonate in the bath

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

37.1  DF  RECYCLING OF RECLAIMED OR PURIFIED PROCESS MATERIAL (NOT RECYCLED CONSUMER USED ARTICLES) {6}
37.18  DF  .~ Of liquid process material (e.g., suspensions, etc.) {5}
37.2  DF  .~.~ The liquid is from an extrudant-receiving bath (e.g., liquid suspensions, etc.) {4}
37.21.~.~.~ Containing ethylene or propylene carbonate in the bath

DEFINITION

Classification: 264/37.21

Containing ethylene or propylene carbonate in the bath:

Processes under subclass 37.2 wherein the extrudant-receiving bath contains ethylene carbonate or propylene carbonate.