US PATENT SUBCLASS 516 / FOR 159
.~.~.~ Protein or carboxylic compound containing (252/354)

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 159.~.~.~ Protein or carboxylic compound containing (252/354)

DEFINITION

Classification: 516/FOR.159

Foreign art collections including compositions which comprise proteins or organic compounds which contain carboxyl radicals, or processes of making such compositions.