US PATENT SUBCLASS 516 / FOR 160
.~.~.~ Organic amine, amide, or N-base containing (252/355)

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 156  DF  .~ Wetting, emulsifying, dispersing, or stabilizing agents (252/351) {4}
FOR 158  DF  .~.~ Organic sulphoxy compound containing (252/353) {2}
FOR 160.~.~.~ Organic amine, amide, or N-base containing (252/355)

DEFINITION

Classification: 516/FOR.160

Foreign art collections including compositions which comprise organic compounds which contain amine, amide or nitrogen-base radicals, or processes of making such compositions.