US PATENT SUBCLASS 516 / FOR 117
.~.~.~ Inorganic material coated, impregnated, or surface-modified with organic material (252/315.2)

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 115  DF  .~ Gels, coagulates, or dispersands (252/315.01) {4}
FOR 116  DF  .~.~ Organic (252/315.1) {3}
FOR 117.~.~.~ Inorganic material coated, impregnated, or surface-modified with organic material (252/315.2)

DEFINITION

Classification: 516/FOR.117

Inorganic material coated, impregnated, or surface-modified with organic material:

Foreign art collections including subject matter wherein inorganic material has been rendered organophilic by coating, inpregnating or surface-modifying with organic material.