US PATENT SUBCLASS 516 / FOR 129
.~.~.~.~ Inorganic agents (except water) (252/324)

Current as of: June, 1999
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516 /   HD   COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF

FOR 100  DF  COLLOIDS AND POTENTIAL COLLOIDS; CHEMICAL PROCESSES OF MAKING AND BREAKING (252/302) {8}
FOR 124  DF  .~ Resolving colloids or inhibiting colloidization (252/319) {1}
FOR 125  DF  .~.~ Liquid primary dispersants (252/320) {5}
FOR 127  DF  .~.~.~ Adsorbent or solid surface functioning treating substances (252/322) {3}
FOR 129.~.~.~.~ Inorganic agents (except water) (252/324)

DEFINITION

Classification: 516/FOR.129

Foreign art collections including processes in which the treating substances contain free chemical elements or inorganic compounds, other than water.