US PATENT SUBCLASS 516 / FOR 101
.~ Including separations or comminutions by colloid functions (252/303)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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 101.~ Including separations or comminutions by colloid functions (252/303)

DEFINITION

Classification: 516/FOR.101

Foreign art collections including (1) separating two or more materials, which differ from each other either chemically or merely physically, or (2) comminuting or preparing materials in a finely-divided state, as final products substantially free from colloid stabilizers therefor, by procedures which comprise formations of resolutions of colloid systems or use of such systems as agents, or (3) products made by such processes.