73821573
Aug 25, 1989
Sep 11, 1990
CHEMICAL PRODUCTS, NAMELY LIGANDS CHEMICALLY BONDED TO SUBSTRATES, WHICH IDENTIFY AND SELECT VARIOUS MOLECULES OUT OF LIQUID OR GASEOUS MIXTURES, FOR USE IN PRECIOUS METALS, NUCLEAR, ENVIRONMENTAL, ANALYTICAL, CHEMICALS, BIOTECHNOLOGY, PHARMACEUTICAL AND MEDICAL APPLICATIONS AND A WIDE VARIETY OF OTHER INDUSTRIES
Chemicals