US PATENT SUBCLASS 422 / 15
.~.~.~ Using organic compound having phosphorus

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

1  DF  PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING {15}
7  DF  .~ Maintaining environment nondestructive to metal {5}
14  DF  .~.~ Essentially pure water environment {5}
15.~.~.~ Using organic compound having phosphorus

DEFINITION

Classification: 422/15

Using organic compound having phosphorus:

(under subclass 14) Process wherein an organic compound containing phosphorus is employed to reduce damage to metal by essentially pure water.

(1) Note. The term "organic" is used as defined in Class 260.

(2) Note. Included in this subclass are inorganic phosphorus acid salts of organic compounds; e.g., amine phosphates, etc.