US PATENT SUBCLASS 423 / 386
.~.~ Halogen containing


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

Internet Version by PATENTEC © 1999      Terms of Use



423 /   HD   CHEMISTRY OF INORGANIC COMPOUNDS

351  DF  NITROGEN OR COMPOUND THEREOF (EXCEPT AMMONIUM SALT OF NON-NITROGEN ACID) {5}
385  DF  .~ Oxygen containing {4}
386.~.~ Halogen containing


DEFINITION

Classification: 423/386

(under subclass 385) Products or processes wherein the product also contains a halogen.