US PATENT SUBCLASS 252 / 575
.~ N-containing

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


252 /   HD   COMPOSITIONS

570  DF  FLUENT DIELECTRIC {7}
575.~ N-containing {1}
576  DF  .~.~> O in N compound {1}

DEFINITION

Classification: 252/575

N-containing:

(under subclass 570) Subject matter in which a component of the composition contains nitrogen.