US PATENT SUBCLASS 422 / 186.23
.~.~.~.~ With preparatory or product-treating means

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

Internet Version by PATENTEC © 1999      Terms of Use


422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
186  DF  .~ With means applying electromagnetic wave energy or corpuscular radiation to reactants for initiating or perfecting chemical reaction {3}
186.04  DF  .~.~ Electrostatic field or electrical discharge {4}
186.21  DF  .~.~.~ Arc or spark discharge means {4}
186.23.~.~.~.~ With preparatory or product-treating means {2}
186.24  DF  .~.~.~.~.~> With nitrogen fixation means
186.25  DF  .~.~.~.~.~> With cooling or pressurizing means

DEFINITION

Classification: 422/186.23

With preparatory or product-treating means:

(under subclass 186.21) Subject matter including in addition to be arc or spark discharge means, a preparatory treatment means for the materials added to the arc or spark discharge chamber or means for treatment of the products from such chamber.