US PATENT SUBCLASS 516 / FOR 112
.~.~.~.~ Inorganic major dispersands only (252/313.1)

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 102  DF  .~ Colloid (polyphase discontinuous dispersion) systems (252/304) {2}
FOR 104  DF  .~.~ Liquid primary dispersants (252/306) {4}
FOR 108  DF  .~.~.~ Water as major dispersant only (252/310) {2}
FOR 112.~.~.~.~ Inorganic major dispersands only (252/313.1) {1}
FOR 113  DF  .~.~.~.~.~> Silica (252/313.2)

DEFINITION

Classification: 516/FOR.112

Inorganic major dispersands only:

Foreign art collections including colloid systems in which the major part of the solid or liquid matter directly dispersed in the outermost phase consists of one or more chemical elements or inorganic compounds.