US PATENT SUBCLASS 516 / FOR 157
.~.~ Organic and inorganic agents containing (except water) (252/352)

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 156  DF  .~ Wetting, emulsifying, dispersing, or stabilizing agents (252/351) {4}
FOR 157.~.~ Organic and inorganic agents containing (except water) (252/352)

DEFINITION

Classification: 516/FOR.157

Foreign art collections including compositions which comprise both an organic compound and a free chemical element or an inorganic compound other than water, or processes of making such compositions.