US PATENT SUBCLASS 264 / 331.16
.~.~.~.~.~.~ Nitrogen containing polymer


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

239  DF  MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE {10}
299  DF  .~ Shaping against forming surface (e.g., casting, die shaping, etc.) {10}
319  DF  .~.~ Applying heat or pressure {6}
330  DF  .~.~.~ Organic material shaping {1}
331.11  DF  .~.~.~.~ Synthetic resin containing {7}
331.15  DF  .~.~.~.~.~ Ethylenically unsaturated polymer or polymer derived from ethylenically unsaturated monomer {3}
331.16.~.~.~.~.~.~ Nitrogen containing polymer


DEFINITION

Classification: 264/331.16

Nitrogen containing polymer:

(under subclass 331.15) Processes in which the polymer contains nitrogen.