US PATENT SUBCLASS 516 / FOR 127
.~.~.~ Adsorbent or solid surface functioning treating substances (252/322)

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.~.~.~ Adsorbent or solid surface functioning treating substances (252/322) {3}
FOR 128  DF  .~.~.~.~> Organic and inorganic agents (except water) (252/323)
FOR 129  DF  .~.~.~.~> Inorganic agents (except water) (252/324)
FOR 130  DF  .~.~.~.~> Organic agents (252/325)

DEFINITION

Classification: 516/FOR.127

Foreign art collections including processes which include bringing the materials to be treated into contact with solid agents which function as adsorbents, solid physical absorbents, differential adherence surfaces, or otherwise as loose particulate solid matter functioning physically only.