US PATENT SUBCLASS 264 / 331.19
.~.~.~.~.~ Nitrogen containing (e.g., polyamide, polyurethane, etc.)


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

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}
331.19.~.~.~.~.~ Nitrogen containing (e.g., polyamide, polyurethane, etc.)


DEFINITION

Classification: 264/331.19

Nitrogen containing (e.g., polyamide, polyurethane, etc.):

(under subclass 331.11) Processes in which the synthetic resin contains a nitrogen atom, e.g., polyamide, polyurethane, etc.