US PATENT SUBCLASS 210 / 904
.~.~ -CN containing

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

Internet Version by PATENTEC © 1999      Terms of Use


210 /   HD   LIQUID PURIFICATION OR SEPARATION

902  DF  MATERIALS REMOVED {7}
903  DF  .~ Nitrogenous {2}
904.~.~ -CN containing

DEFINITION

Classification: 210/904

-CN Containing:

Collection of disclosures under collection 903 in which the material is a nitrile or a cyanide.