US PATENT SUBCLASS 516 / FOR 105
.~.~.~ Foams or gaseous primary dispersands (252/307)

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 105.~.~.~ Foams or gaseous primary dispersands (252/307)

DEFINITION

Classification: 516/FOR.105

Foreign art collections including colloid systems which include a gas directly dispersed in the outermost (liquid) phase, or processes of making the same.