73817053
Aug 4, 1989
May 5, 1992
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