US PATENT SUBCLASS 516 / FOR 107
.~.~.~.~ Inorganic major dispersands only (252/309)

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 106  DF  .~.~.~ Organic major dispersants only (252/308) {1}
FOR 107.~.~.~.~ Inorganic major dispersands only (252/309)

DEFINITION

Classification: 516/FOR.107

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.