US PATENT SUBCLASS 422 / 160
.~ Inorganic sulfur acid or anhydride producing type

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
160.~ Inorganic sulfur acid or anhydride producing type {1}
161  DF  .~.~> Acid is final product

DEFINITION

Classification: 422/160

Inorganic sulfur acid or anhydride producing type:

(under subclass 129) Apparatus for producing an inorganic sulfur acid or anhydride thereof.